Ellsworth LeDrew

University Professor

Room EV1-121, ext. 32783
ells@uwaterloo.ca
F2017 office hours: Wednesdays 2:00 - 4:00 pm

As a long-serving key member of the Department, Ellsworth’s research interests include climate-cryosphere interactions using passive microwave observations and numerical climate models, the exploration of high spectral and spatial resolution imagery for analysis of environmental stress on tropical coral reefs, the use of Earth observations in international energy management, and data management and archiving for Polar Environmental Science.


Key Areas of Graduate Supervision
Climate Change and Variability in Polar Areas, Atmosphere-Cryosphere feedback processes/
Role of Citizen Science and Social Media in Polar Information Discovery, Management and Preservation

Recent Courses Taught
GEOG 102: Introduction to Physical Geography
GEOG 309: Physical Climatology
GEOG 409: Boundary Layer Climatology

Research Interests
Research interests include climate-cryosphere interactions using Passive Microwave imagery and numerical climate models, and data management, discovery and archiving for Polar Environmental Science.

Recent Publications

  • Tan, Wenxia, Ellsworth LeDrew 2015, Monitoring Arctic Sea Ice Phenology Change Using Hypertemporal Remotely Sensed Data: 1989 - 2010, Theoretical and Applied Climatology, DOI. 10.1007/s00704-015-1507-x.
  • Pauly M., Nicholas A. Kamenos, Penelope Donohue, Ellsworth LeDrew, 2015, Coralline algal Mg-O bond strength as a marine pCO2proxy, Geology 43. DOI: 10.1130/G36386.1., 4 pp.
  • Perger, Christoph, E. LeDrew, L. See, S. Fritz, 2014, Geography Geo-Wiki in the Classroom, Using Crowdsourcing to Enhance Geographical Teaching, Future Internet, 6:5970601 doi:10.3390/fi6040597.
  • Friddell, Julie, E. F. LeDrew, W. Vincent, 2014, The Polar Data Catalogue: Best Practices for Sharing and Archiving Canada's Polar Data, CODATA Data Science Journal, released 2014/10/30, DOI: http  dx.doi.org/10.2481/dsj.IFPDA-01
  • Tan, Wenxia, K. Andrea Scott and Ellsworth LeDrew, 2014, Enhanced Arctic Ice Concentration Estimation Merging MODIS Ice Surface Temperature and SSM/I Sea-Ice Concentration, Atmosphere-Ocean, 52, (2) 115-141.
  • Parsons, Mark A., Øystein Godøy, Ellsworth LeDrew, Taco F. de Bruin, Bruno Danis, Scott Tomlinson, David Carlson, published online 19 October 2011, Managing Very Diverse Data for Complex, Interdisciplinary Science, Journal of Information Science, pp. 1-21. DOI: 10.1177/0165551511412705. The online version of this article can be found at:
    http://jis.sagepub.com/content/early/2011/1/20/0165551511412705
  • Knudby, A., A. Brenning, E. R. LeDrew, 2010, New approaches to modelling fish–habitat relationships, Ecological Modelling, 221(3): 503-511.
  • Knudby, A., E.F. LeDrew, A. Brenning, 2010, Predictive mapping of reef fish species richness, diversity and biomass in Zanzibar using IKONOS imagery and machine-learning techniques, Remote Sensing of Environment, 114(6):1230-1241.
  • Lim, A, A. J. Hedley, E. F. LeDrew, P. Mumby, C. Roelfsema, 2009, The effects of ecologically determined spatial complexity on the classification accuracy of simulated coral reef images, Remote Sensing of Environment,113:965-978.
  • McDermid, G., S. Franklin, E. LeDrew, 2009, Operational Radiometric Normalization and Continuous-Variable Model Extension for Landsat-based Mapping of Large Areas, Forest Ecology and Management, 257(11): 2262-2269, doi:10.1016/j.foreco.2009.03.05.
  • Newman, C. M., A. J. Knudby, E. F. LeDrew, 2008, Assessing the effect of management zonation on live coral cover using multi-date IKONOS satellite imagery, Journal of Applied Remote Sensing (invited paper). 1, DOIP: 011504
  • Koulis, T., M. Thompson, E. LeDrew, 2008, Capturing Antarctic Sea Ice Formation with a Spatio-Temporal Model, DOI: 10.1002/env.912, Environmetrics.
Affiliation: 
University of Waterloo

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