@article {31606, title = {Flow strength and bedload sediment travel distance in gravel bed rivers}, journal = {Water Resources Research}, volume = {58}, year = {2022}, pages = {e2022WR032296}, abstract = {The quantification of bedload sediment transport in rivers is possible from statistics of individual particle displacements. However, there is a lack of empirical basis for a universal relation between particle displacement distance and hydraulic drivers. Previous work suggests that a simple linear relation exists between the energy of a flood and the mean travel distance of bedload particles. Such a relation would be advantageous, but a consistent model able to collapse the data from different rivers has not been developed. Here, we develop a predictive relation from a unique data set collected in three watersheds from a single region but contrasting hydrologic regimes due to urbanization and storm water management. Additional data from two rivers from outside the region are used to validate the model. We show that the mean of an exponential distribution of surface particle travel displacements can be reliably predicted from either the cumulative discharge or stream power exceeding the mobilization threshold, which is calibrated using field data. The strength of the relation decreases after large flood events that appear to cause tracer burial due to vertical mixing. This result indicates that the relation is most applicable for the entrainment phase of transport in which tracers are dispersing over the bed surface. Tracer movements become more challenging to predict over a long series of events due to burial and eventual tracer slowdown, but the relation remains valid for the particles located on the bed surface, making it suitable for analyzing the impact of climate and landscape changes over time.}, author = {E. Papangelakis and B.J. MacVicar and F.A. Montakhab and P.A. Ashmore} } @article {31604, title = {Lost and found: maximizing the information from a series of bedload tracer surveys}, journal = {Earth Surface Processes and Landforms}, volume = {47}, year = {2022}, pages = {399-408}, abstract = {Bedload particle tracking is a technique used to better understand sediment dynamics in rivers. Despite technical advances, tracers may be missed in field surveys. The missed tracers may bias the study results even where recovery rates are high, for example if they are preferentially buried close to the seeding site or transported downstream of the surveyed reach. The goal of the current study is to demonstrate that more information can be extracted from a series of bedload tracer surveys by carefully considering the fate of missing and found tracers and implementing a set of strategies to include the (incomplete) information on sediment displacement metrics. A set of open-source Matlab algorithms collectively called PITtrack are described that perform the calculations. Results from two tracer datasets show that commonly used sediment displacement metrics are sensitive to the inclusion of the missing tracers, even for cases with high recovery rates. Metrics that describe the variance and skewness of the tracers as they disperse are particularly sensitive. The recommended strategy is to include (a) inferred positions of tracers that are missing but unmoved, (b) likely positions of tracers that are missing, moved, and movement can be attributed to a survey period within the uncertain period that meets a dominant flood criterion, and (c) last known positions of tracers considered lost because they go missing and are never found again. Overall the results offer a method to include all available information on missing tracers to better understand sediment dispersion. Future work should be done to assess the classification system for a wider range of field sites and further refine classification based on spatial or other information.}, author = {B.J. MacVicar and E. Papangelakis} } @article {31607, title = {Observer-bias and sampling uncertainties in wood flux and volume estimation from Stream-side video monitoring technique}, journal = {Earth Surface Processes and Landforms}, year = {2022}, abstract = {Wood is an integral part of rivers that can have both positive and negative impacts on natural systems and infrastructures. Different techniques have been developed to quantify wood flux or discharge in rivers. Among them, the stream-side video monitoring technique has proven effective for at-a-station wood monitoring with a high temporal and spatial resolution over an indefinite time period. However, the visual annotation of wood pieces in the videos is subject to uncertainties due to observer bias or {\textquoteleft}vision limitations{\textquoteright}, and video sampling or {\textquoteleft}time limitations. Vision limitations mean that there are patches in the recorded image that may or may not be considered as wood pieces depending on the judgment of the observer. Time limitations mean that the video record may be sampled to estimate the wood flux rather than completing a census of the full record due to the time-consuming nature of continuous visual annotation. To assess these uncertainties, 6 flood events and 13 video segments corresponding to more than 37 days and 64000 pieces of wood were analyzed on two different rivers (Ain and Allier Rivers in France). The results show that while there is a significant difference between observers for the detection of small wood pieces (\<1m in length), no significant difference exists for the detection of large wood pieces (\>1m in length). The application of a truncation length (i.e., considering only wood pieces with a size higher than a certain threshold) reduces the piece number uncertainty significantly without resulting in a meaningful change in the total volume of wood. For the time limitation, it is shown that sampling uncertainty depends on wood flux related to water discharge and flood stages (rising versus falling), so a dynamic sampling strategy that depends on flood stage is recommended.}, author = {H. Ghaffarian and B. MacVicar and B. Hortobagyi and Z. Zhang and F. Robert and L. Vaudor and S. Petit and H. Pi{\'e}gay} } @article {31605, title = { A test of a watershed-scale stream power index tool for erosion risk assessment in an urban river}, journal = {Journal of Sustainable Water in the Built Environment (ASCE)}, volume = {8}, year = {2022}, pages = {04022008}, abstract = {Successful watershed planning requires a watershed-scale approach to the assessment of erosion hazards. Stream power, or the rate of energy expenditure of flowing water, is a driver of river erosion and morphologic change. Stream Power Index for Networks (SPIN) is a newly developed geographic information system (GIS)-based toolbox that uses simple inputs to calculate total stream power, specific stream power, and their change between past, present, and future land-use conditions. We tested the ability of SPIN to identify areas of erosion risk by comparing its outputs against an independent database of erosion mitigation sites in an urban river. Objectives were to (1)\ validate the channel slope and threshold particle size calculated by the toolbox against data collected from field sites, (2)\ assess the utility of the toolbox outputs for interpreting spatial patterns of erosion control structure construction and maintenance, and (3)\ evaluate how the toolbox can be used to support or enhance current erosion monitoring techniques. Channel slope and threshold substrate size values calculated by SPIN matched those measured in the watershed. Both total and specific stream power increased between the rural (preurban) and urban land-use conditions, and maps generated by the toolbox provided a visual assessment of areas of expected erosion risk. The density of erosion control structures increased with total and specific stream power, and threshold stream power ratio values were identified above which erosion control structures were widespread. Stream power indices were also related to the condition of erosion control structures when defined as the distance between the channel erosion and the infrastructure. The SPIN toolbox makes a novel contribution to erosion hazard assessment at a watershed scale. In combination with existing local monitoring and assessment techniques, this method should improve decision making around erosion mitigation strategies in urban rivers.}, author = {E. Papangelakis and B.J. MacVicar and P.A. Ashmore and D. Gingerich and C. Bright} } @article {27470, title = {Automated quantification of floating wood pieces in rivers from video monitoring: a new software tool and validation}, journal = {Earth Surface Dynamics}, volume = {9}, year = {2021}, pages = {519-537}, abstract = {Wood is an essential component of rivers and plays a significant role in ecology and morphology. It can be also considered a risk factor in rivers due to its influence on erosion and flooding. Quantifying and characterizing wood fluxes in rivers during floods would improve our understanding of the key processes but are hindered by technical challenges. Among various techniques for monitoring wood in rivers, streamside videography is a powerful approach to quantify different characteristics of wood in rivers, but past research has employed a manual approach that has many limitations. In this work, we introduce new software for the automatic detection of wood pieces in rivers. We apply different image analysis techniques such as static and dynamic masks, object tracking, and object characterization to minimize false positive and missed detections. To assess the software performance, results are compared with manual detections of wood from the same videos, which was a time-consuming process. Key parameters that affect detection are assessed, including surface reflections, lighting conditions, flow discharge, wood position relative to the camera, and the length of wood pieces. Preliminary results had a 36 \% rate of false positive detection, primarily due to light reflection and water waves, but post-processing reduced this rate to 15 \%. The missed detection rate was 71 \% of piece numbers in the preliminary result, but post-processing reduced this error to only 6.5 \% of piece numbers and 13.5 \% of volume. The high precision of the software shows that it can be used to massively increase the quantity of wood flux data in rivers around the world, potentially in real time. The significant impact of post-processing indicates that it is necessary to train the software in various situations (location, time span, weather conditions) to ensure reliable results. Manual wood detections and annotations for this work took over 150 labor hours. In comparison, the presented software coupled with an appropriate post-processing step performed the same task in real time (55 h) on a standard desktop computer.}, author = {H. Ghaffarian and P. Lemaire and Z. Zhang and L. Tougne and B. MacVicar and H. Pi{\'e}gay} } @article {27463, title = {Controls of alluvial cover formation, morphology, and bedload transport in a sinuous channel with a non-alluvial boundary}, journal = {Earth Surface Processes and Landforms, }, volume = {46}, year = {2021}, pages = {399-416}, abstract = {The alluvial cover in channels with non-alluvial beds is a major morphologic feature in these rivers and has important geomorphic and ecologic functions. Although controls on the extent of the alluvial cover have been previously researched, little is known about the role of channel meanders in shaping the three-dimensional morphology and bedload transport rates in these rivers. Flume experiments were conducted in a fixed-bed sinuous channel scaled from an engineered urban river. A fully graded sediment supply mixture was fed into the bare channel at rates ranging between 0.3 and 1.2 times the estimated channel capacity under constant discharge. The three-dimensional morphology and surface texture of the alluvial cover were captured using photogrammetry, and the sediment output was periodically measured and sieved. A stable alluvial cover was achieved under all sediment supply conditions that coincided with a sediment transport equilibrium. The sediment supply rate controlled the final areal extent, mass and volume of the alluvial cover, while cover developed as a periodic series of stable bars {\textquoteleft}fixed{\textquoteright} by the channel planform. The alluvial cover development followed consistent trajectories relative to angular position around bends but developed to a greater degree and higher elevation with increasing sediment supply. The stable cover extent had a logarithmic relationship with the relative sediment supply, while the final mass, volume and bar height had linear relationships. The final channel morphology was characterized by fine-textured point bars with flat tops and steep margins connected by coarse riffle features. The outside of banks between bend apexes remained bare, even at sediment supply conditions exceeding the channel capacity. The length of the exposed outer banks followed predictable linear relationships with the total cover extent. Insights from this study can provide guidance for the management of channels with non-alluvial boundaries and provide validation for models of sinuous bedrock channel abrasion.}, author = {Papangelakis, E. and Welber, M. and Ashmore, P. and B. MacVicar} } @article {27467, title = {Dynamics of shallow wakes on gravel-bed floodplains: Data set from field experiments}, journal = {Earth Systems Science Data}, year = {2021}, author = {Shumilova, O. and A.N. Sukhodolov and G.S. Constantinescu and B.J. MacVicar} } @article {31603, title = {Experiments on restoring alluvial cover using gravel augmentation in a variable width channel with irregular meanders}, journal = {Geomorphology}, volume = {379}, year = {2021}, pages = {107585}, abstract = {In partially-alluvial channels, an understanding of cover formation over a non-alluvial substrate is necessary for effective river management or restoration. Urban rivers, for example, are often sediment starved such that the underlying substrate may be exposed. Few experiments have investigated cover development in meandering channels, particularly where width and meander geometry are irregular as is often the case for partially alluvial channels. The purpose of this work is to support the development of sediment augmentation strategies to mitigate channel degradation and restore alluvial cover. The experiments also provide new insight into the impact of sediment supply rates on alluvial cover dynamics in variable-width channels. Under constant flow discharge and a continuous supply of sediment, sediment disperses downstream of the feed location and cover develops in a fragmented fashion. Cover initiation occurs downstream of bend apexes and develops as a series of discrete fixed bars whose morphology differs as a function of bend geometry and channel width. Cover expands and bars merge with time under steady sediment supply and discharge, eventually thickening to an equilibrium state in which sediment supply and output are approximately balanced. Higher sediment supply rates result in more extensive and thicker cover at equilibrium, including cover expanding into the cross-overs between the main bars. Coarse and fine fractions of the sediment supply are preferentially retained in the cover sediment because of fine particle deposition on bar tops and burial of initial coarse deposits. Models of areal cover with feed rate and cover thickness are proposed and compared with other studies. More experimentation is needed, but augmentation of alluvial gravel cover is a feasible approach to maintaining a sediment balance in partially-alluvial channels and for developing mobile alluvial cover in engineered channels.}, author = {S. Peirce and B.J. MacVicar and E. Papangelakis and L. Verynck and P.A. Ashmore} } @article {27474, title = {Stream power index for networks (SPIN) tool for decision support in urbanizing watersheds}, journal = {Environmental Modeling and Software}, volume = {144}, year = {2021}, pages = {105185}, abstract = {Urbanization typically leads to erosion and instability in rivers, and many management and restoration strategies have been developed to dampen the worst impacts. Stream power, defined as the rate of energy expenditure in a river, is a promising metric for analyzing cumulative effects. In this paper we describe a spatial decision support system called the Stream Power Index for Networks (SPIN) toolbox that can be used to assess urban river stability at a watershed scale. The objectives of the paper are to: a) describe the toolbox algorithms and procedures and b) demonstrate the utility of the approach. SPIN is written in Python and packaged as an ArcGIS toolbox. The toolbox combines existing landscape analysis algorithms with new algorithms to model river confluences, channel sinuosity, and threshold sediment particle sizes. Data can also be ingested from a standard hydraulic model. Two case studies demonstrate use of the toolbox to: i) anticipate current morphology; ii) predict urban morphologic change; and iii) analyze the benefits for stormwater management and channel restoration scenarios on channel stability.}, author = {Ghunowa, K. and B.J. MacVicar and P.A. Ashmore} } @article {27466, title = {Video monitoring of in-channel wood: from flux characterization and prediction to recommendations to equip stations}, journal = {Earth Surface Processes and Landforms}, volume = {46}, year = {2021}, pages = {822-836}, abstract = {Wood flux (piece number per time interval) is a key parameter for understanding wood budgeting, determining the controlling factors, and managing flood risk in a river basin. Quantitative wood flux data is critically needed to improve the understanding of wood dynamics and estimate wood discharge in rivers. In this study, the streamside videography technique was applied to detect wood passage and measure instantaneous rates of wood transport. The goal was to better understand how wood flux responds to flood and wind events and then predict wood flux. In total, one exceptional wind and seven flood events were monitored on the Ain River, France, and around 24,000 wood pieces were detected visually. It is confirmed that, in general, there is a threshold of wood motion in the river equal to 60\% of bankfull discharge. However, in a flood following a windy day, no obvious threshold for wood motion was observed, which confirms that wind is important for the preparation of wood for transport between floods. In two multi-peak floods, around two-thirds of the total amount of wood was delivered on the first peak, which confirms the importance of the time between floods for predicting wood fluxes. Moreover, we found an empirical relation between wood frequency and wood discharge, which is used to estimate the total wood amount produced by each of the floods. The data set is then used to develop a random forest regression model to predict wood frequency as a function of three input variables that are derived from the flow hydrograph. The model calculates the total wood volume either during day or night based on the video monitoring technique for the first time, which expands its utility for wood budgeting in a watershed. A one-to-one link is then established between the fraction of detected pieces of wood and the dimensionless parameter {\textquotedblleft}passing time {\texttimes} frame rate{\textquotedblright}, which provides a general guideline for the design of monitoring stations.}, author = {Zhang, Z. and H. Ghaffarian and B. MacVicar and P. Lemaire and L. Vaudor and A. Antonio and K. Michel and H. Pi{\'e}gay} } @article {24005, title = {Design, Construction, and Destruction in the Classroom: Experiential learning with Earthen Dams}, journal = {Journal of Hydraulic Engineering}, volume = {146}, year = {2020}, abstract = {Early in their career, engineering students sometimes have difficulty linking academic concepts between courses and the interests that led to their enrollment. We present a design {\textquotedblleft}interlude{\textquotedblright} event that is intended to improve experiential inductive learning and the vertical and horizontal integration of engineering courses. In this exercise, second year engineering students design, build, and test a scaled model of an earthen dam. The method integrates content from technical courses in which they are currently enrolled, such as statistics and fluid mechanics, and previews future courses in their curriculum, such as soil mechanics, hydrology, and hydraulics. Students consult with a range of experts, mock stakeholders, and mock protestors. Projects are evaluated for social/environmental impacts, technical design, cost, and performance, including stability, power generation, and spillway overflow. Student feedback was positive and highlights the intended benefits for the students, including interaction with industry partners, team building for the students, hands-on learning, and a better understanding of the impact of engineering projects}, url = {DOI: 10.1061/(ASCE)HY.1943-7900.0001745}, author = {B.J. MacVicar and A. Clow and C. Muirhead and R. Al-Hammoud and J. Craig} } @article {25949, title = {Experiments on restoring alluvial cover in straight and meandering rivers using gravel augmentation}, journal = {River Research and Applications}, year = {2020}, abstract = {Successful management of natural and engineered channels with discontinuous alluvial cover requires knowledge of how the cover develops and evolves. We report on physical model experiments designed to compare alluvial cover dynamics in straight and sinuous fixed-bed channels at a range of gravel-bed material supply rates and constant discharge conditions. Experiments investigated the formation of alluvial cover from a bare bed, relationships between equilibrium cover characteristics and sediment supply rate, and the evolution of an initial uniform cover of varying thickness. A stable partially-alluviated state is achieved in both the straight and sinuous channels for a range of sediment supply rates. The areal extent and stored mass of the cover increase progressively with supply rate, and the rate of increase is higher in the straight channel. While alluvial cover develops from isolated patches in the straight channel, cover in the sinuous channel develops as well-defined bars, with deposition on the inside of bends and expanding outwards along the channel as cover area increases. Artificially emplaced cover quickly adjusts to a cover extent within 4{\textendash}20\% of that formed from a bare bed at the same feed rate, with initial cover thickness only influencing the final cover in the sinuous channel. Neither the sinuous nor the straight channel can sustain an alluvial cover in the absence of upstream sediment supply. This study can inform the management of semi-alluvial channels because it highlights the primary roles of sediment supply and planform geometry in maintaining an alluvial cover in natural and engineered channels.}, url = {DOI: 10.1002/rra.3699}, author = {M. Welber and E. Papangelakis and P. Ashmore and B. MacVicar} } @article {25948, title = {Field tests of an improved sediment tracer including non-intrusive measurement of burial depth}, journal = {Earth Surface Processes and Landforms}, volume = {45}, year = {2020}, pages = {3488-3495}, abstract = {

Radio Frequency Identification (RFID) transponders are now widely used to track sediment in a variety of environments. A recent innovation placed the transponder inside of a rotating inner mechanism that is designed to minimize missed detections due to burial and shielding or {\textquoteleft}signal collision{\textquoteright} effects between tracers, while also allowing a rapid measurement of the burial depth of the particle. Here we test a developed protocol for burial depth measurement and deploy the {\textquoteleft}Wobblestone{\textquoteright} tracers in the field for the first time. Results show that new tracers can be reliably positioned in the horizontal plane (median error {\textpm} 0.03 m) and that the burial depth can be accurately measured (~0.02 m maximum error). The field study was characterized by high mobility and travel lengths, and ~20\% of the tracers were buried at depths up to 0.15 m. A comparison of exponential distributions for travel length of surface deposited and buried tracers indicate that the buried tracers on average travelled farther and earlier in the flood event. Tracers that did not move were also buried at one site as a result of sediment transport from upstream. Overall the technique has great potential for characterizing vertical mixing and understanding this rarely considered control on sediment transport.

}, url = {DOI: 10.1002/esp.4980}, author = {A. Cain and B. MacVicar} } @proceedings {27534, title = {First order control of alluvial cover morphology by channel sinuosity and sediment supply rate}, journal = {AGU Fall Meeting}, year = {2020}, address = {San Francisco, USA}, url = {https://scholar.google.ca/scholar?oi=bibs\&cluster=11115597932569070485\&btnI=1\&hl=en}, author = {Papangelakis, E. and P. Ashmore and M. Welber and B. MacVicar} } @article {25950, title = {Numerical simulation of free flow through side orifice in a circular open-channel using response surface method}, journal = {Flow Measurement and Instrumentation}, volume = {76}, year = {2020}, pages = {101825}, abstract = {A side orifice is an important type of hydraulic structure which is used widely in irrigation and waste management systems to divert desired discharges from a main channel or to distribute the flow within the basins. Circular pipes flowing partially full are often used in these systems, but existing predictive relations developed for rectangular channels result in significant error. In the present study, the flow through a side orifice in a circular open-channel is numerically simulated and validated to test the effect of different parameters on the discharge coefficient and propose an appropriate predictive equation. To minimize the number of required simulations and validations, a Response Surface Method-Central Composite Design (RSM-CCD) is employed. Results showed that the discharge coefficient is inversely related to the Froude number (Fr) and the ratio of the side orifice length to the approaching flow water depth. However, any increase in either the ratio of the orifice length to the main channel diameter or the ratio of the lower crest level to the orifice length will increase the discharge coefficient. A new equation is presented to determine the discharge coefficient of side orifice in a circular open-channel using RSM-CCD. The sensitivity analysis showed that all linear terms must considered in the equation but that the interaction terms can be dropped. The maximum error of the equation to predict the training and validation data are 1\% and 2\% respectively.}, url = {DOI: 10.1016/j.flowmeasinst.2020.101825}, author = {M. Mehraein and M. Torabi and Y. Sansefidi and B. MacVicar} } @article {24204, title = {Process-based assessment of success and failure in a riffle-pool river restoration project}, journal = {River Research and Applications}, year = {2020}, abstract = {Although there is increasing consensus that river restoration should focus on restoring processes rather than form, proven techniques to design and monitor projects for sediment transport processes are lacking. This study monitors bedload transport and channel morphology in a rural, an urban unrestored, and an urban restored reach. Objectives are to compare bedload transport regimes, assess the stability and self-maintenance of constructed riffle-pool sequences, and evaluate the impact of the project on coarse sediment continuity in the creek. Sediment tracking is done using radio frequency identification tracers and morphologic change is assessed from repeated cross-section surveys. Mean annual velocity is used to quantify the average downstream velocity of tracers, defined as the mean overall tracer travel length divided by the total study duration. The channel reconstruction slows down the downstream velocity of particles in the D75\ and D90\ size classes, but does not significantly change the velocity of particles in the D50\ size class or smaller. Surveys show that riffle features remain stable and that pool depths are maintained or deepened, while tracer paths match with what has been observed in natural riffle-pools. However, the slowdown of coarse sediment and increase in channel slope may lead to future failures related to over-steepening of the banks and a disruption in the continuity of sediment transport in the creek. This study demonstrates how bedload tracking and morphological surveys can be used to assess river restoration projects, and highlights the importance of incorporating coarse sediment connectivity into restoration design and monitoring.}, url = {DOI: 10.1002/rra.3636}, author = {Papangelakis, E. and MacVicar, B.J.} } @proceedings {27487, title = {Tracking the mean annual velocity and vertical mixing of bedload tracers}, journal = {RiverFlow, International Association of Hydraulic Research, }, year = {2020}, address = {Delft, Netherlands}, author = {A. Cain and M. Iannetta and C. Muirhead and E. Papangelakis and T. Raso and B.J. MacVicar and P. Ashmore} } @article {24205, title = {Video-monitoring of wood discharge: first inter-basin comparison and recommendations to install cameras}, journal = {Earth Surface Processes and Landforms}, year = {2020}, abstract = {Wood in rivers plays a major role both ecologically and morphologically. In recent decades, due to human activities in the river channels and along the riparian zone, wood obstruction and jamming has exacerbated flooding hazards and infrastructure damage. Therefore, it is necessary to quantify the wood flux and discharge in rivers to improve wood hazard management. Among the various methods for monitoring the wood flux in a river, the streamside videography technique is effective given its high temporal and spatial resolution. Previous work monitored the wood discharge (m3/s) using this technique in the Ain River (France) during three floods (MacVicar \& Pi{\'e}gay, 2012), and the same method is implemented on the Is{\`e}re River (France) to obtain the statistics of wood discharge for two floods. Comparison between the two sites supports the generalization of both the monitoring technique and the link between wood discharge and flood characteristics. We first show that the maximum wood discharge is observed at bankfull discharge, and we confirm the three stage model proposed by (MacVicar \& Pi{\'e}gay, 2012). Additionally, transverse distributions of the number of wood pieces and corresponding wood length appear to be similar for different flood magnitudes on each site. As a technical contribution, the use of the same technique on two sites allows for recommendations on key decisions related to the location and implementation of the equipment. Both statistical and technical contributions can be used by decision makers to implement this monitoring technique, acquire the wood transport parameters, and evaluate the potential wood hazards at local scale or along a river.}, url = {DOI: 10.1002/esp.4875}, author = {Ghaffarian, H. and Pi{\'e}gay, H. and Lopez, D. and Mignot, E. and MacVicar, B.J. and Antonio, A. and Riviere, N.} } @article {24003, title = {Bedload sediment transport regimes of semi-alluvial rivers conditioned by watershed urbanization and stormwater management}, journal = {Water Resources Research}, volume = {55}, year = {2019}, pages = {10565-10587}, abstract = {Watershed urbanization and stormwater management (SWM) alter the hydrologic processes of rivers. Although differences have been documented in channel morphology and sediment yield pre- and post- urbanization, little is known about how the modified hydrology affects grain-scale bedload transport dynamics. This study aims to characterize the bedload sediment transport regime of three rivers with different hydrologic settings: rural, urban with no SWM, and urban with peak-shaving SWM. The rivers are {\textquoteleft}semi-alluvial{\textquoteright}, characterized by an alluvial layer over a cohesive till. Bedload transport was monitored using tracer stones over three years. Hydrograph characteristics of the streams fit with what is expected in urban and SWM systems, and the rural stream has an episodic transport regime typical of gravel-bed rivers. Entrainment thresholds are not detectably impacted by the semi-alluvial bed cover, but travel lengths of grains relative to their size are longer than in alluvial gravel-bed streams. Downstream displacement rates of particles up to the D90 are accelerated in the urban river due to more frequent mobilization, rather than increased event-based travel lengths, and may explain channel enlargement. SWM decreases the mobility and travel lengths of particles below those in the rural system, which combined with channel narrowing and loss bed forms suggests a shift towards a competence-limited transport regime. This new regime is a result of reduced shear stresses that are unable to transport coarse material. This study presents empirical evidence of the effects of watershed urbanization and SWM on bedload transport, and provides recommendations for process-based urban river management strategies.}, url = {DOI: 10.1029/2019WR025126}, author = {E. Papangelakis and B.J. MacVicar and P. Ashmore} } @proceedings {27538, title = {Bedload transport dynamics in rivers conditioned by urbanization and stormwater management}, journal = {AGU Fall Meeting}, year = {2019}, address = {San Francisco, USA}, url = {https://scholar.google.ca/scholar?oi=bibs\&cluster=13516439009165389642\&btnI=1\&hl=en}, author = {Papangelakis, E. and B. MacVicar and P. Ashmore} } @article {24004, title = {Evaluation of flow characteristics in labyrinth weirs using response surface methodology}, journal = {Flow Measurement and Instrumentation}, volume = {69}, year = {2019}, pages = {101617}, abstract = {Labyrinth weirs can increase the flow discharge capacity for a specific head and width by increasing the weir length. This paper studies the flow behavior of labyrinth weirs using Flow-3D{\textregistered} software. The main goal is to evaluate the capability of the response surface methodology (RSM), especially central composite design (CCD), to describe the performance of labyrinth weirs. Traditional and RSM-CCD methodologies are applied using experimental data of previous researchers and numerical data of the present study, respectively. Results show that RSM-CCD can produce an acceptably accurate model for the discharge coefficient of labyrinth weirs with only a small fraction of the data required for the traditional model. In addition, the discharge coefficient of a labyrinth weir decreases by increasing head and decreasing sidewall angle due to the inflow contraction and nappe interference in inlet and outlet cycles, respectively. The discharge efficiency can be up to 4.5 times higher for a labyrinth weir compared to a linear weir. Finally, a new method is introduced for designing labyrinth weirs.}, url = {DOI: 10.1016/j.flowmeasinst.2019.101617.}, author = {Y. Sangsefidi and B.J. MacVicar and M. Ghodsian and M. Mehraein and M. Torabi and B.M. Savage} } @proceedings {27536, title = {Large-Eddy Simulations of Plunging Flow in Alluvial and Bedrock Rivers}, journal = {AGU Fall Meeting}, year = {2019}, address = {San Francisco, USA}, url = {https://scholar.google.ca/scholar?oi=bibs\&cluster=16980840543894027092\&btnI=1\&hl=en}, author = {MacVicar, B. and H. Dashtpeyma and C.D. Rennie and J.G. Venditti} } @proceedings {27537, title = {Rating Curve Modelling for Unsteady Open-Channel Flows in Urban and Rural Watersheds}, journal = {AGU Fall Meeting}, year = {2019}, address = {San Francisco, USA}, url = {https://scholar.google.ca/scholar?oi=bibs\&cluster=13909804938157392873\&btnI=1\&hl=en}, author = {Montakhab, F. and B. MacVicar} } @article {Macvicar2018, title = {Sampling strategies to improve scaling parameter estimates in rivers}, journal = {Journal of Hydraulic Research}, volume = {57}, year = {2019}, note = {cited By 0; Article in Press}, abstract = {Shear velocity and von K{\'a}rm{\'a}n{\textquoteright}s coefficient can be considered as scaling parameters for the characterization of velocity and turbulence distributions. However, few studies have assessed their accuracy in rivers. We apply a finite ensemble averaging procedure to obtain statistically representative profiles for evaluating the effects of sampling period duration. Results show that uncertainty in point statistics can be minimized by estimating sampling requirements from turbulent or morphologic scales, but such estimates do not consider non-turbulent (i.e. hydrologic) variation. Measuring at 25 Hz, durations of 3{\textendash}4 minutes with at least three repetitions at each sampling point were required to reduce uncertainty to within {\textpm}10\%. Sampling durations to achieve similar accuracy in other cases will vary with the number of sampling points in the profile, flow characteristics, and the nature of non-turbulent fluctuations. Overall, sampling recommendations from a consideration of scaling parameter uncertainty will greatly exceed recommendations from other studies.}, doi = {10.1080/00221686.2018.1522379}, url = {10.1080/00221686.2018.1522379}, author = {MacVicar, B.J. and Sukhodolov, A.N.} } @proceedings {27539, title = {Stream Power Index for Networks (SPIN) Tool for Erosion Risk Assessment}, journal = {AGU Fall Meeting}, year = {2019}, address = {San Francisco, USA}, url = {https://scholar.google.ca/scholar?oi=bibs\&cluster=11642581962698353794\&btnI=1\&hl=en}, author = {Ghunowa, K. and B. MacVicar and P. Ashmore} } @article {17742, title = {Synthetic Radio Frequency Identification tracer stones with weighted inner ball for burial depth estimation}, journal = {Journal of Hydraulic Engineering}, volume = {145}, year = {2019}, pages = { 06019014}, abstract = {Radio Frequency Identification (RFID) tracer stones are an increasingly popular tool in sediment transport research. A key limitation of RFID tracers is the sensitivity of their detection zone shape to the orientation of the transponder. The variability in detection zone shapes reduces detection rates by obscuring tracer positions and creating complex interference effects when multiple tracer stones are in close proximity. This paper presents two designs and prototypes of the {\textquoteleft}Wobblestone{\textquoteright}: a synthetic tracer stone that ensures the transponder remains vertical regardless of the stone orientation. The designs feature a weighted inner ball containing the transponder that is free to rotate under gravity and correct to a vertical orientation. The prototypes were fabricated using a high density polyurethane resin and corundum powder mixture. The prototypes achieved densities within the range of natural stone, and confirmed the durability of the material. Performance tests verify the vertical orientation of the transponder regardless of the stone orientation and demonstrate an opportunity for the determination of tracer burial depth.}, url = {DOI: 10.1061/(ASCE)HY.1943-7900.0001650}, author = {Papangelakis, E. and Muirhead, C. and Schneider, A. and MacVicar, B.} } @proceedings {27540, title = {Urban Rivers: Linking stream network process models to robust data management systems for the purpose of land-use decision support}, journal = {Global Water Futures 2nd Annual Open Science Meeting}, year = {2019}, address = {Saskatoon, SK}, author = {MacVicar, B.J. and E. Papangelakis and K. Ghunowa and P. Ashmore} } @conference {Lacey2018, title = {Comparison of velocity and turbulence profiles obtained with a Vectrino Profiler and PIV}, booktitle = {E3S Web of Conferences}, volume = {40}, year = {2018}, note = {cited By 0}, doi = {10.1051/e3sconf/20184005070}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85053803208\&doi=10.1051\%2fe3sconf\%2f20184005070\&partnerID=40\&md5=abb53eb0e9283b910bccd3ac9f6878fc}, author = {Lacey, J. and Duguay, J. and MacVicar, B.} } @proceedings {27490, title = {Comparison of velocity and turbulence profiles obtained with a Vectrino Profiler and PIV}, journal = {RiverFlow, International Association of Hydraulic Research}, year = {2018}, address = {Lyon, France, E3S Web Conf. 40: 05070}, author = {J. Lacey and J. Duguay and B.J. MacVicar} } @article {Hufnagel2018, title = {Design and performance of a radio frequency identification scanning system for sediment tracking in a purpose-built experimental channel}, journal = {Journal of Hydraulic Engineering}, volume = {144}, number = {2}, year = {2018}, note = {cited By 0}, doi = {10.1061/(ASCE)HY.1943-7900.0001412}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85036516935\&doi=10.1061\%2f\%28ASCE\%29HY.1943-7900.0001412\&partnerID=40\&md5=42449a4527ed68de853c28aae17c1767}, author = {Hufnagel, J. and MacVicar, B.} } @article {Bevan2018, title = {Enlargement and evolution of a semi-alluvial creek in response to urbanization}, journal = {Earth Surface Processes and Landforms}, year = {2018}, note = {cited By 0; Article in Press}, doi = {10.1002/esp.4391}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85046815802\&doi=10.1002\%2fesp.4391\&partnerID=40\&md5=f82244d5399fcb8da8be1d89a81379ae}, author = {Bevan, V. and MacVicar, B. and Chapuis, M. and Ghunowa, K. and Papangelakis, E. and Parish, J. and Snodgrass, W.} } @conference {Alencar20183975, title = {IEnvironment: A software platform for integrated environmental monitoring and modeling of surface water}, booktitle = {Proceedings - 2017 IEEE International Conference on Big Data, Big Data 2017}, volume = {2018-January}, year = {2018}, note = {cited By 0}, pages = {3975-3978}, doi = {10.1109/BigData.2017.8258408}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85047773632\&doi=10.1109\%2fBigData.2017.8258408\&partnerID=40\&md5=4120ab3dc90c2bd318074cfaeafda3da}, author = {Alencar, P. and Cowan, D. and Mulholland, D. and MacVicar, B. and Courtenay, S. and Murphy, S. and McGarry, F.} } @proceedings {27543, title = {An In-Flood Monitoring System for Bedload Sediment in a Restored Riffle-Pool Morphology}, journal = {6th Conference on Natural Channel Systems}, year = {2018}, address = {Guelph}, author = {Muirhead, C. and B. MacVicar} } @proceedings {15917, title = {Linking academic courses with practical hands-on experience for civil, environmental and geological engineering students}, journal = {Canadian Engineering Education Association (CEEA-ACEG18) Conference, Vancouver, BC}, year = {2018}, author = {Muirhead, C. and R. Al-Hammoud and J. Craig and B.J. MacVicar} } @proceedings {27488, title = {Linking academic courses with practical hands-on experience for civil, environmental and geological engineering students}, journal = { Canadian Engineering Education Association (CEEA-ACEG18) Conference}, year = {2018}, address = {Vancouver, BC}, author = {Muirhead, C. and R. Al-Hammoud and J. Craig and B.J. MacVicar} } @proceedings {27544, title = {Linking urban hydromodification to bedload sediment transport}, journal = {6th Conference on Natural Channel Systems}, year = {2018}, address = {Guelph}, author = {Papangelakis, E. and B.J. MacVicar} } @proceedings {27541, title = {Predicting Bedload Sediment Transport in Urban Rivers}, journal = {AGU Fall Meeting}, year = {2018}, address = {Washington, DC}, author = {Papangelakis, E. and F. Montakhab and B.J. MacVicar and P. Ashmore} } @proceedings {27542, title = {A Software Platform for Integrated Monitoring and Modelling of Stream Restoration Projects}, journal = {6th Conference on Natural Channel Systems}, year = {2018}, address = {Guelph}, author = {D. Cowan and P. Alencar and D. Mulholland and B. MacVicar and S. Murphy and S. Courtenay and P. Ashmore and L. Stanfield and F. McGarry} } @article {Mansoor20181314, title = {The spatial and temporal distribution of metals in an urban stream: A case study of the Don River in Toronto, Canada}, journal = {Journal of Great Lakes Research}, volume = {44}, number = {6}, year = {2018}, note = {cited By 0}, pages = {1314-1326}, doi = {10.1016/j.jglr.2018.08.010}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85053840424\&doi=10.1016\%2fj.jglr.2018.08.010\&partnerID=40\&md5=ff646c8fbd355e697704ab85c56daef9}, author = {Mansoor, S.Z. and Louie, S. and Lima, A.T. and Van Cappellen, P. and MacVicar, B.} } @conference {Dashtpeyma2018, title = {Vortex-Resistance Hypothesis: Large Eddy Simulation of Turbulent Flow in Isolated Pool- Riffle Units}, booktitle = {E3S Web of Conferences}, volume = {40}, year = {2018}, note = {cited By 0}, doi = {10.1051/e3sconf/20184005029}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85053787547\&doi=10.1051\%2fe3sconf\%2f20184005029\&partnerID=40\&md5=5a7c3b7101cf2983a6e21220d5f406c7}, author = {Dashtpeyma, H. and MacVicar, B.} } @proceedings {27489, title = {Vortex-Resistance Hypothesis: Large Eddy Simulation of Turbulent Flow in Isolated Pool-Riffle Units}, journal = {RiverFlow, International Association of Hydraulic Research}, year = {2018}, address = {Lyon, France, E3S Web Conf. 40: 05029}, author = {Dashtpeyma, H. and B.J. MacVicar} } @proceedings {27547, title = {60 years of evolution in a suburban semi-alluvial creek: Wilket Creek in Toronto}, journal = {Canadian Geophysical Union}, year = {2017}, address = {Vancouver, BC}, author = {Papangelakis, E. and V. Bevan and K. Ghunowa and B.J. MacVicar} } @proceedings {27493, title = {Advances in Sediment Tracking using Radio Frequency Identification Transponders: A purpose-built flume and gyroscopic tags}, journal = {Hydraulic Measurement and Experimental Methods, International Association of Hydraulic Research}, year = {2017}, address = {Durham, New Hampshire}, author = {Hufnagel, J. and E. Papangelakis and B.J. MacVicar} } @article {Dilling201768, title = {Cleaning high-frequency velocity profile data with autoregressive moving average (ARMA) models}, journal = {Flow Measurement and Instrumentation}, volume = {54}, year = {2017}, note = {cited By 1}, pages = {68-81}, doi = {10.1016/j.flowmeasinst.2016.12.005}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85007211744\&doi=10.1016\%2fj.flowmeasinst.2016.12.005\&partnerID=40\&md5=45acf042ca6c3c209a05df8af7196965}, author = {Dilling, S. and MacVicar, B.J.} } @proceedings {27492, title = {Comparison of velocity and turbulence statistics obtained using a Nortek Vectrino Profiler and stereo particle image velocimetry}, journal = {Hydraulic Measurement and Experimental Methods, International Association of Hydraulic Research}, year = {2017}, address = {Durham, New Hampshire}, author = {Duguay, J. and J. Lacey and A.E. Benchikh Lehocine and B. MacVicar} } @proceedings {27491, title = {iEnvironment: A Software Platform for Integrated Environmental Monitoring and Modeling of Surface Water}, journal = {IEEE Conference on Big Data}, year = {2017}, address = {Boston, Massachusetts}, author = {Alencar, P. and D. Cowan and D. Mulholland and B. MacVicar and S. Courtenay and S. Murphy and F. McGarry} } @proceedings {27545, title = {Sediment dynamics in semi-alluvial urban streams}, journal = {6th Conference on Natural Channel Systems}, year = {2017}, address = {Guelph}, author = {M. Welber and P. Ashmore and B.J. MacVicar} } @proceedings {27546, title = {Spatial decision support tool for cumulative stream power modeling}, journal = {Canadian Geophysical Union}, year = {2017}, address = {Vancouver, BC}, author = {K. Ghunowa and B.J. MacVicar and P. Ashmore} } @proceedings {27549, title = {Surface, corner and ramp rollers: Numerical analysis of flow patterns in isolated pool-riffle units}, journal = {Canadian Geophysical Union}, year = {2017}, address = {Vancouver, BC}, author = {Dashtpeyma, H. and B.J. MacVicar} } @proceedings {27551, title = {Assessment of the performance of a riffle-pool restoration project over two years of floods using Radio Frequency Identification (RFID) tracking}, journal = {5th international Conference on Natural Channel Systems}, year = {2016} } @proceedings {27550, title = {Bedload transport in Urbanized Creeks with and without Stormwater Management}, journal = {5th international Conference on Natural Channel Systems}, year = {2016}, author = {Papangelakis, E and T. Raso and J. Krick and P. Ashmore and A. Roy and B.J. MacVicar} } @proceedings {27494, title = {Good, bad, and the ugly: Seasonal Filtering and Autoregressive Moving Average (ARMA) models for detecting and replacing spikes in velocity profile data}, journal = {RiverFlow, International Association of Hydraulic Research}, year = {2016}, address = {St. Louis Missouri}, author = {Dilling, S. and B.J. MacVicar} } @conference {Dilling2016372, title = {Good, bad and the ugly: Seasonal filtering and autoregressive moving average (ARMA) models for detecting and replacing spikes in velocimetric profile data}, booktitle = {River Flow - Proceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2016}, year = {2016}, note = {cited By 0}, pages = {372-378}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85015275270\&partnerID=40\&md5=9ee29d141bc9e01f78fb17d67cd5f303}, author = {Dilling, S. and MacVicar, B.J.} } @article {MacVicar20155566, title = {Assessing the performance of in-stream restoration projects using Radio Frequency Identification (RFID) transponders}, journal = {Water (Switzerland)}, volume = {7}, number = {10}, year = {2015}, note = {cited By 4}, pages = {5566-5591}, doi = {10.3390/w7105566}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-84949292840\&doi=10.3390\%2fw7105566\&partnerID=40\&md5=9483f8fe6b1264014c80a42a589a6963}, author = {MacVicar, B. and Chapuis, M. and Buckrell, E. and Roy, A.} } @proceedings {27558, title = {Detached Eddy Simulation (DES) of Turbulent Flow in Isolated Pool-Riffle Bedforms}, journal = {American Geophysical Union}, year = {2015}, address = {Montreal, Quebec, Canada}, author = {Dashtpeyma, H. and B.J. MacVicar} } @proceedings {27552, title = {Experiments on simplified pool and riffle structures in flumes: What have we learned?}, journal = {46th Annual Binghampton Geomorphology Symposium: Laboratory Experiments in Geomorphology}, year = {2015}, address = {University at Buffalo (poster)}, author = {MacVicar, B.J.} } @article {MacVicar2015, title = {Shear stress and hydrodynamic recovery over bedforms of different lengths in a straight channel}, journal = {Journal of Hydraulic Engineering}, volume = {141}, number = {11}, year = {2015}, note = {cited By 4}, doi = {10.1061/(ASCE)HY.1943-7900.0001043}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-84944744777\&doi=10.1061\%2f\%28ASCE\%29HY.1943-7900.0001043\&partnerID=40\&md5=65e48a803295f343509ec94cb758f04a}, author = {MacVicar, B. and Obach, L.} } @proceedings {27570, title = {Urbanization, Channel Adjustment, and Restoration of a Suburban Semi-Alluvial Creek: the Case Study of Wilket Creek in Toronto}, journal = {American Geophysical Union}, year = {2015}, address = {Montreal, Quebec, Canada}, author = {MacVicar, B.J. and M. Chapuis and V. Bevan and E. Buckrell and A. Roy and J. Parish and R. Ness and W. Snodgrass} } @proceedings {27571, title = {Wood is good but it moves! Associated problems and research issues}, journal = {Third International Conference on Wood in Rivers}, year = {2015}, address = {Padova, Italy}, author = {Pi{\'e}gay, H. and Benacchio, V. and Boivin, M. and Lemaire, P. and MacVicar, B. and Moulin, B and Ruiz-Villanueva, V. and Buffin-B{\'e}langer, T. and Michel, K. and Stoffel, M. and Tougne, L.} } @proceedings {27574, title = {Automatically monitoring driftwood in large rivers: preliminary results}, journal = {American Geophysical Union Fall Meeting}, year = {2014}, address = {San Francisco, CA.}, author = {Pi{\'e}gay, H. and Lemaire, P. and MacVicar, B and Mouquet-Noppe, C. and L. Tougne} } @article {Chapuis20142109, title = {Detection ranges and uncertainty of passive Radio Frequency Identification (RFID) transponders for sediment tracking in gravel rivers and coastal environments}, journal = {Earth Surface Processes and Landforms}, volume = {39}, number = {15}, year = {2014}, note = {cited By 18}, pages = {2109-2120}, doi = {10.1002/esp.3620}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-84914097202\&doi=10.1002\%2fesp.3620\&partnerID=40\&md5=58775d1818165b17c553128eeaccdb2a}, author = {Chapuis, M. and Bright, C.J. and Hufnagel, J. and MacVicar, B.} } @article {MacVicar201488, title = {Multi-instrument turbulence toolbox (MITT): Open-source MATLAB algorithms for the analysis of high-frequency flow velocity time series datasets}, journal = {Computers and Geosciences}, volume = {73}, year = {2014}, note = {cited By 3}, pages = {88-98}, doi = {10.1016/j.cageo.2014.09.002}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-84907718675\&doi=10.1016\%2fj.cageo.2014.09.002\&partnerID=40\&md5=b1cc3f0ba52a7711ffaecd0f3996d610}, author = {MacVicar, B. and Dilling, S. and Lacey, J.} } @proceedings {27573, title = {Perturbation and recovery of flow over 2D bedforms: experiments on bedform scale and LES simulations of vorticity}, journal = {17th U.S. National Congress on Theoretical \& Applied Mechanics}, year = {2014}, address = {Michigan State University, Lansing, Michigan}, author = {MacVicar, B.J. and H. Dashtpeyma} } @conference {Macvicar20141951, title = {A quality analysis of the Vectrino II instrument using a new open-source MATLAB toolbox and 2D ARMA models to detect and replace spikes}, booktitle = {Proceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2014}, year = {2014}, note = {cited By 12}, pages = {1951-1959}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-84906707936\&partnerID=40\&md5=7e56b134a4a08d4832b6ab797365badf}, author = {MacVicar, B. and Dilling, S. and Lacey, J. and Hipel, K.} } @proceedings {27496, title = {A quality analysis of the Vectrino II instrument using a new open-source MATLAB toolbox and 2D ARMA models to detect and replace spikes}, journal = {RiverFlow, International Association of Hydraulic Research}, year = {2014}, address = {Lausanne, Switzerland}, author = {MacVicar, B.J. and S. Dilling and J. Lacey and K. Hipel} } @proceedings {27572, title = { RFID tracking as an urban restoration metric}, journal = {CWRA 2014 Canada Water Resources Conference}, year = {2014}, address = {Hamilton, Ont., Canada}, author = {Buckrell, E. and M. Chapuis and V. Bevan and C. Bright and B. MacVicar and A. Roy} } @proceedings {27495, title = {Sediment transport and continuity in a urbanized river: issues and assessment of sediment fluxes}, journal = {RiverFlow, International Association of Hydraulic Research}, year = {2014}, pages = {2119-2126}, address = {Lausanne, Switzerland}, author = {Chapuis, M. and MacVicar, B.J. and A. Roy} } @conference {Chapuis20142119, title = {Sediment transport and morphodynamics in an urbanized river: The effect of restoration on sediment fluxes}, booktitle = {Proceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2014}, year = {2014}, note = {cited By 0}, pages = {2119-2126}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-84906660662\&partnerID=40\&md5=33ee6710dbfae7208c1146d314d5868c}, author = {Chapuis, M. and Bevan, V. and MacVicar, B. and Roy, A.G.} } @proceedings {27578, title = {Wood mobility in rivers}, journal = {XII International Association of Engineering Geology (IAEG) Congress}, year = {2014}, address = {Torino, Italy}, author = {Pi{\'e}gay, H. and MacVicar, B. and Benacchio, V. and Boivin, M. and Buffin-B{\'e}langer, T. and Lemaire P. and Michel, K.} } @article {MacVicar20131850, title = {A flume experiment on the effect of channel width on the perturbation and recovery of flow in straight pools and riffles with smooth boundaries}, journal = {Journal of Geophysical Research: Earth Surface}, volume = {118}, number = {3}, year = {2013}, note = {cited By 6}, pages = {1850-1863}, doi = {10.1002/jgrf.20133}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-84887839575\&doi=10.1002\%2fjgrf.20133\&partnerID=40\&md5=286e8d9fb319d5ebc1d3c45b2f0e96de}, author = {MacVicar, B. and Best, J.} } @proceedings {27581, title = {Gold-standard performance for 2D hydrodynamic modeling}, journal = {American Geophysical Union Fall Meeting}, year = {2013}, address = {San Francisco, USA}, author = {Pasternack, G. and B.J. MacVicar} } @book {MacVicar2013243, title = {Large-Scale Coherent Flow Structures in Alluvial Pools}, series = {Coherent Flow Structures at Earth{\textquoteright}s Surface}, year = {2013}, note = {cited By 7}, pages = {243-259}, doi = {10.1002/9781118527221.ch16}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-84986907091\&doi=10.1002\%2f9781118527221.ch16\&partnerID=40\&md5=8fd6b84c4945565e4877cb931a9a2c2f}, author = {MacVicar, B.J. and Obach, L. and Best, J.L.} } @article {MacVicar20131193, title = {Local head loss coefficients of riffle pools in gravel-bed rivers}, journal = {Journal of Hydraulic Engineering}, volume = {139}, number = {11}, year = {2013}, note = {cited By 1}, pages = {1193-1198}, doi = {10.1061/(ASCE)HY.1943-7900.0000787}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-84886899258\&doi=10.1061\%2f\%28ASCE\%29HY.1943-7900.0000787\&partnerID=40\&md5=bd8e4cc98c5232d9518b2f30eb324107}, author = {MacVicar, B.} } @proceedings {27580, title = {Sediment transport and morphodynamics of two dynamic, highly modified rivers: Valley management issues and keys for river stakeholders}, journal = {8th IAG International Conference on Geomorphology}, year = {2013}, address = {Paris}, author = {Chapuis, M. and S. Dufour and B. MacVicar and A. Roy and B. Couvert} } @article {MacVicar2012, title = {Flow and turbulence redistribution in a straight artificial pool}, journal = {Water Resources Research}, volume = {48}, number = {2}, year = {2012}, note = {cited By 17}, doi = {10.1029/2010WR009374}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-84856845502\&doi=10.1029\%2f2010WR009374\&partnerID=40\&md5=1ca7067f46ac7ff4ce68ff34c31db4c7}, author = {MacVicar, B.J. and Rennie, C.D.} } @proceedings {27582, title = {Getting the most out of RFID technology for bed-load transport monitoring: sandbox experiments and an improved field method}, journal = {CWRA/CGU Annual General Meeting}, year = {2012}, address = {Banff, Alberta, Canada}, author = {Bright, C. and B.J. MacVicar} } @article {Macvicar20121272, title = {Implementation and validation of video monitoring for wood budgeting in a wandering piedmont river, the Ain River (France)}, journal = {Earth Surface Processes and Landforms}, volume = {37}, number = {12}, year = {2012}, note = {cited By 44}, pages = {1272-1289}, doi = {10.1002/esp.3240}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-84866315150\&doi=10.1002\%2fesp.3240\&partnerID=40\&md5=7de42ac6021d2e033aa170158fac09c3}, author = {MacVicar, B. and Pi{\'e}gay, H.} } @book {Macvicar2012367, title = {River Monitoring with Ground-Based Videography}, series = {Fluvial Remote Sensing for Science and Management}, year = {2012}, note = {cited By 2}, pages = {367-383}, doi = {10.1002/9781119940791.ch16}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-84886103105\&doi=10.1002\%2f9781119940791.ch16\&partnerID=40\&md5=636663e210da6a2b9b2fa557ecfd3516}, author = {MacVicar, B.J. and Hauet, A. and Bergeron, N. and Tougne, L. and Ali, I.} } @book {MacVicar201223, title = {Secondary Flows in Rivers: The Effect of Complex Geometry}, series = {Gravel-Bed Rivers: Processes, Tools, Environments}, year = {2012}, note = {cited By 0}, pages = {23-30}, doi = {10.1002/9781119952497.ch2}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-84887201140\&doi=10.1002\%2f9781119952497.ch2\&partnerID=40\&md5=a79736a96408d6fa5e5d7e1718d0fb33}, author = {MacVicar, B.} } @proceedings {27583, title = {Toppled trees, jams, and wood-floodplain interactions: Interpreting the in-flood variability of fluvial wood transport from streamside video records}, journal = {CWRA/CGU Annual General Meeting, }, year = {2012}, address = {Banff, Alberta, Canada}, author = {MacVicar, B.J. and H. Pi{\'e}gay} } @conference {MacVicar2012735, title = {Validation of video monitoring technique to measure wood transport in a river}, booktitle = {River Flow 2012 - Proceedings of the International Conference on Fluvial Hydraulics}, volume = {1}, year = {2012}, note = {cited By 0}, pages = {735-740}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-84867968019\&partnerID=40\&md5=7f1c7ae4de559d9096541506db33a355}, author = {MacVicar, B.J. and Pi{\'e}gay, H.} } @proceedings {27497, title = {Validation of video monitoring technique to measure wood transport in a river}, journal = {RiverFlow, International Association of Hydraulic Research}, year = {2012}, pages = {735-740}, address = {San Jose, Costa Rica}, author = {MacVicar, B.J. and H. Pi{\'e}gay} } @proceedings {27587, title = {Large-scale turbulent flow structures in pools}, journal = {Coherent Flow Structures in Geophysical Flows at Earth{\textquoteright}s Surface}, year = {2011}, address = {Burnaby BC}, author = {Obach, L. and B.J. MacVicar and J. Best} } @article {MacVicar2011445, title = {Sediment mobility in a forced riffle-pool}, journal = {Geomorphology}, volume = {125}, number = {3}, year = {2011}, note = {cited By 28}, pages = {445-456}, doi = {10.1016/j.geomorph.2010.10.031}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-78649691238\&doi=10.1016\%2fj.geomorph.2010.10.031\&partnerID=40\&md5=449881cb480e86676073c1edc44b2528}, author = {MacVicar, B.J. and Roy, A.G.} } @proceedings {27498, title = { Shear flow in a mildly sloped riffle-pool sequence}, journal = {7th International Symposium on Turbulence and Shear Flow Phenomena (TSFP-7)}, year = {2011}, pages = {6}, address = {Ottawa, Ont., Canada}, author = {MacVicar, B.J. and L. Obach and S. Kara and T. Stoesser and J. Best} } @article {MacVicar2010550, title = {Discussion of "Unifying criterion for the velocity reversal hypothesis in gravel-bed rivers" by D. Caama{\~n}o, P. Goodwin, J. M. Buffington, J. C. P. Liou, and S. Daley-Laursen}, journal = {Journal of Hydraulic Engineering}, volume = {136}, number = {8}, year = {2010}, note = {cited By 4}, pages = {550-552}, doi = {10.1061/(ASCE)HY.1943-7900.0000120}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-77955594996\&doi=10.1061\%2f\%28ASCE\%29HY.1943-7900.0000120\&partnerID=40\&md5=d4ee498854d9f2a9b69a3c6334f1da0b}, author = {MacVicar, B.J. and Rennie, C.D. and Roy, A.G.} } @proceedings {27588, title = {Secondary flows in rivers: The effect of complex geometry}, journal = {Gravel Bed Rivers VII}, year = {2010}, address = {Tadoussac, Quebec}, author = {MacVicar, B.J.} } @proceedings {27499, title = {Turbulence Structures over a mildly sloped pool-riffle sequence}, journal = {RiverFlow, International Association of Hydraulic Research}, year = {2010}, pages = {409-417}, address = {Braunschweig, Germany}, author = {Stoesser, T. and B.J. MacVicar and J. Best} } @proceedings {27590, title = {Channel bed adjustments following a major debris flow in a mountain stream}, journal = {9th International Conference on Fluvial Sedimentology, }, year = {2009}, address = {Argentina }, author = {Lamarre, H. and G. Marquis and A.G. Roy and T. Buffin-B{\'e}langer and J. Th{\'e}rien and J. Lacey and B. MacVicar} } @proceedings {27591, title = {Lateral distribution of turbulence and secondary currents in non-uniform open channel flow}, journal = {International Association of Hydraulic Engineering and Research 33rd Congress, }, year = {2009}, address = {Vancouver, BC}, author = {MacVicar, B.J. and C.D. Rennie} } @article {MacVicar20092031, title = {Quantifying the temporal dynamics of wood in large rivers: Field trials of wood surveying, dating, tracking, and monitoring techniques}, journal = {Earth Surface Processes and Landforms}, volume = {34}, number = {15}, year = {2009}, note = {cited By 66}, pages = {2031-2046}, doi = {10.1002/esp.1888}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-71449088978\&doi=10.1002\%2fesp.1888\&partnerID=40\&md5=3d82e559954c203a7fecbcd4ce2e42e7}, author = {MacVicar, B.J. and Pi{\'e}gay, H. and Henderson, A. and Comiti, F. and Oberlin, C. and Pecorari, E.} } @proceedings {27589, title = {Video monitoring of wood transport in a free-meandering piedmont river}, journal = {American Geophysical Union Fall Meeting}, year = {2009}, address = {San Francisco, USA}, author = {MacVicar, B.J. and I. Ali and L. Tougne and H. Pi{\'e}gay} } @article {Rollet2008110, title = {A comparative study on the use of passive integrated transponders to estimate sediment transport: First results [L{\textquoteright}utilisation de transpondeurs passifs pour l{\textquoteright}estimation du transport s{\'e}dimentaire: Premiers retours d{\textquoteright}exp{\'e}rience]}, journal = {Houille Blanche}, number = {4}, year = {2008}, note = {cited By 14}, pages = {110-116}, doi = {10.1051/lhb:2008047}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-51849167702\&doi=10.1051\%2flhb\%3a2008047\&partnerID=40\&md5=d17c1645608289b5b3a832b03dd43d78}, author = {Rollet, A.J. and MacVicar, B. and Pi{\'e}gay, H. and Roy, A.} } @proceedings {27593, title = {A comparative study of the effect of river size on the use of Passive Integrated Transponders to estimate sediment transport}, journal = {Transports solides et gestion des s{\'e}diments, Soci{\'e}t{\'e} Hydrotechnique de France}, year = {2007}, address = {Lyon, France}, author = {Rollet, A. J. and B.J. MacVicar and H. Pi{\'e}gay and A. Roy} } @proceedings {27592, title = {The displacement of individual clasts in gravel-bed rivers}, journal = {Canadian Quaternary Association-The Canadian Geomorphology research group, }, year = {2007}, address = {Ottawa, Ont., Canada}, author = {Lamarre, H. and Th{\'e}rien, J. and MacVicar, B and Roy, A.G.} } @article {MacVicar2007, title = {Hydrodynamics of a forced riffle pool in a gravel bed river: 1. Mean velocity and turbulence intensity}, journal = {Water Resources Research}, volume = {43}, number = {12}, year = {2007}, note = {cited By 40}, doi = {10.1029/2006WR005272}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-84865045685\&doi=10.1029\%2f2006WR005272\&partnerID=40\&md5=c67964e4d197cb72a665783cb67a91c5}, author = {MacVicar, B.J. and Roy, A.G.} } @article {MacVicar2007, title = {Hydrodynamics of a forced riffle pool in a gravel bed river: 2. Scale and structure of coherent turbulent events}, journal = {Water Resources Research}, volume = {43}, number = {12}, year = {2007}, note = {cited By 26}, doi = {10.1029/2006WR005274}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-84865061394\&doi=10.1029\%2f2006WR005274\&partnerID=40\&md5=bd501ab51e305c4b36a1134ab30b43c7}, author = {MacVicar, B.J. and Roy, A.G.} } @article {MacVicar20071412, title = {Measuring water velocity in highly turbulent flows: Field tests of an electromagnetic current meter (ECM) and an acoustic Doppler velocimeter (ADV)}, journal = {Earth Surface Processes and Landforms}, volume = {32}, number = {9}, year = {2007}, note = {cited By 22}, pages = {1412-1432}, doi = {10.1002/esp.1497}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-34548063708\&doi=10.1002\%2fesp.1497\&partnerID=40\&md5=0b38d079d1310afb14d8df4711b2add5}, author = {MacVicar, B.J. and Beaulieu, E. and Champagne, V. and Roy, A.G.} } @article {MacVicar2006, title = {A two-dimensional discrete particle model of gravel bed river systems}, journal = {Journal of Geophysical Research: Earth Surface}, volume = {111}, number = {3}, year = {2006}, note = {cited By 14}, doi = {10.1029/2005JF000316}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-34147117932\&doi=10.1029\%2f2005JF000316\&partnerID=40\&md5=8fabd5bb66bf8385834c74e51a53b613}, author = {MacVicar, B.J. and Parrott, L. and Roy, A.G.} } @article {deBoer2005265, title = {Recent (1999-2003) Canadian research on contemporary processes of river erosion and sedimentation, and river mechanics}, journal = {Hydrological Processes}, volume = {19}, number = {1}, year = {2005}, note = {cited By 9}, pages = {265-283}, doi = {10.1002/hyp.5767}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-13644268762\&doi=10.1002\%2fhyp.5767\&partnerID=40\&md5=44a7051ec1dd9ab0f5faace5dc9b963a}, author = {de Boer, D.H. and Hassan, M.A. and MacVicar, B. and Stone, M.} } @proceedings {27594, title = {Turbulence and partial transport in a forced riffle-pool}, journal = {International Conference on Fluvial Sedimentology}, year = {2005}, address = {Delft, Netherlands}, author = {MacVicar, B.J. and A. Roy} } @article {Lamarre2005736, title = {Using Passive Integrated Transponder (PIT) tags to investigate sediment transport in gravel-bed rivers}, journal = {Journal of Sedimentary Research}, volume = {75}, number = {4}, year = {2005}, note = {cited By 74}, pages = {736-741}, doi = {10.2110/jsr.2005.059}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-27244441934\&doi=10.2110\%2fjsr.2005.059\&partnerID=40\&md5=65869222116c5db4f94e8245a854d4bd}, author = {Lamarre, H. and MacVicar, B. and Roy, A.G.} } @proceedings {27595, title = {Using PIT tags to investigate sediment transport in a step-pool channel}, journal = {American Association of Geographers 100th Annual General Meeting, }, year = {2004}, address = {Philadelphia, U.S.A}, author = {Lamarre, H. and B.J. MacVicar and A. Roy} } @proceedings {27596, title = {ROQ-B: A river-bed simulation model}, journal = {American Association of Geographers 99th Annual General Meeting}, year = {2003}, address = {New Orleans, U.S.A}, author = {MacVicar, B.J. and L. Parrott and A. Roy} } @proceedings {27597, title = {Rapid change in the Don River Watershed: a geomorphic investigation into the impact of urbanization}, journal = {Canadian Water Resource Association 54th Annual Conference, }, year = {2001}, address = {Guelph}, author = {MacVicar, B. and L. Alexander and A. Rexe} } @proceedings {27598, title = {Abilities, limits and potential in stream restoration}, journal = {Proceedings, Mountains to Sea: Canadian Water Resource Association 54th Annual Conference}, year = {1998}, pages = {294-299}, address = {Victoria}, author = {MacVicar, B.J. and R.G. Millar}, editor = {Y. Alila} } @proceedings {27599, title = {An analytical method for natural channel design}, journal = {Proceedings, Wetlands Engineering and River Restoration Conference: American Society of Civil Engineering}, year = {1998}, pages = {379-385}, address = {Denver, U.S.A}, author = {Millar, R.G. and B.J. MacVicar} } @conference {Millar1998, title = {Analytical method for natural channel design}, booktitle = {Proceedings of the ASCE Wetlands Engineering River Restoration Conference}, year = {1998}, note = {cited By 1}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-0032299197\&partnerID=40\&md5=f92764df19163386f3f1407810032e4a}, author = {Millar, R.G. and MacVicar, B.J.} }