Wednesday, January 29, 2020

Nandita Basu Invited to give Seminar at the Cary Institute of Ecosystem Studies

Nandita Basu has been invited to give a seminar at the Cary Institute of Ecosystem Studies in Millbrook, New York. The seminar titled ‘Land use legacies, climate change, and the future of our water’, will be held January 30th at 11:00am. Attendance is free.

Friday, January 10, 2020

Nandita Basu named new Collaborative Water Program Director

Lake Futures PI Nandita Basu was welcomed as the new Collaborative Water Program Director. The Collaborative Water Program is a unique graduate program, jointly offered by 11 departments from all six faculties across campus, offering a truly interdisciplinary learning experience to prepare students to tackle the world’s complex water problems.

Wednesday, January 8, 2020

Can Internal Phosphorus Loading Sustain Algal Blooms?

Example Lake

Excess nutrients in lakes can lead to unsightly algal blooms, turning water green and producing toxins that impact our water quality.

One excess nutrient, phosphorus, enters waterways from agricultural and urban areas and eventually settles in lake sediments. Here, it can cycle back into the water column or be stored in deeper sediment layers. But many lake water quality models do not adequately capture how nutrients cycle between these sediments and the water column.

Recent work by Igor Markelov, Raoul-Marie Couture, Rachele Fischer, Sigrid Haande and Philippe Van Cappellen merged two existing lake models to better understand processes that influence nutrient cycling between sediments and the water column.

Thursday, December 19, 2019

How Lake St. Clair influences Phosphorus Loads to Lake Erie

Lake St. Clair

Large shallow lakes, like Lake St. Clair in the Great Lakes region, are often assumed to be well mixed. But this assumption has consequences for predicting downstream nutrient loads, particularly when this assumption is incorrect. Lake St. Clair is a small shallow lake upstream of Lake Erie. Understanding nutrient dynamics in this lake is critical for predicting nutrient loads to Lake Erie where high nutrient loads have led to recurring algal blooms.

In a new paper co-authored by Lake Futures researchers Serghei Bocaniov and Philippe Van Cappellen, along with Donald Scavia, this assumption is challenged to explore how small shallow lakes influence downstream nutrient loading.

Tuesday, December 10, 2019

Small Wetlands as Biogeochemical Hotspots

wetland picture

Nutrient pollution from excess fertilizer use threatens water quality around the world. Wetlands, lakes and reservoirs can limit the movement of these nutrients to downstream waterways, protecting their water quality. But, little is known about how their size influences their ability to retain these nutrients.

Thursday, December 5, 2019

Igor completes his PhD!

Igor Markelov and his examining committee.

Igor Markelov, Lake Futures PhD candidate, successfully defended his PhD thesis titled ‘Internal Loading in Lakes and Reservoirs’, with interest in bioenergetics of redox gradient zones and biogeochemical cycling. Igor completed his work in the Ecohydrology Research group under the supervision of Philippe Van Cappellen.

Wednesday, November 27, 2019

Tamara defends her MSc thesis!

Tamara presenting her MSc thesis

Tamara Van Staden, Lake Futures student, successfully defended her MSc thesis today titled "Phosphorus Legacies and Water Quality Risks: A Vulnerability-Based Framework in Southern Ontario". Tamara completed her MSc research under the supervision of Philippe Van Cappellen and her advisory committee, Nandita Basu and Chris Parsons.

Congratulations, Tamara!

Monday, November 25, 2019

Nandita Basu honoured as a Member of the Royal Society of Canada

Lake Futures lead Nandita Basu was recently welcomed as a member of the Royal Society of Canada’s College of New Scholars, Artists and Scientists. Nandita was honoured at the Royal Society of Canada Gala held in Ottawa.

Friday, November 22, 2019

Knowledge gaps and research priorities for managing Lake Erie’s algal blooms

Algal bloom in Lake Erie

A perspective paper published in the journal Freshwater Science, co-authored by Lake Futures researchers Philippe Van CappellenChris Wellen and Mohamed Mohamed, outlines the main knowledge gaps and uncertainties facing the remediation of eutrophication and associated harmful algal blooms in Lake Erie. 

Thursday, November 21, 2019

Managing reservoirs to protect water quality

Algal Bloom

New Lake Futures research highlights the role of reservoirs in managing water quality. This work shows seasonal patterns in dissolved phosphorus are influenced by nearby dams and reservoirs.

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