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BRBC Science Webinar Series - March 23 -Session 2

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BRBC Science Webinar Series - Session 2

About this Event

Due to current restrictions with in-person events, the BRBC has decided to forego the typical annual Science Forum format in 2021 and instead offer a series of monthly webinar sessions to keep our community informed of the latest research ongoing within the Bow Basin. Please join us on the 4th Tuesday of each month from February to May, 9:30-11:30am for the BRBC Science Webinar Series!

Tuesday, March 23 (9:30-11:30am):

⮚ Understanding multiple anthropogenic threats in the context of natural variability: ecological processes in the Bow River

Presented by: Nilo Sinnatamby, University of Calgary

⮚ All New V6.0 Alberta Tomorrow Educational Tool, Bow River Basin Scenarios

Presented by: Jennifer Janzen, Alberta Tomorrow

⮚ Effect of seasonality on Calgary runoff quality for landscape irrigation: Winter snowmelt vs. spring rainfall events

Presented by: Bill Berzins, H3M Environmental

Abstracts

Understanding multiple anthropogenic threats in the context of natural variability: ecological processes in the Bow River

Identifying the threats responsible for observed biotic and abiotic changes in riverine systems is complicated by natural drivers of variation. The Bow River, Canada provides an ideal model to resolve these influences and explore spatial relationships. By combining existing studies of the Bow River’s biota with new data, we demonstrate how threat-natural driver interactions depend on season and the abiotic factor and biotic community or species of interest. We conclude that the severity of the impact and riverine recovery depend on the magnitude of the threat, its longitudinal position and proximity to other threats and natural drivers.

All New V6.0 Alberta Tomorrow Educational Tool, Bow River Basin Scenarios

An overview of the all new V6.0 of the Alberta Tomorrow Educational application. Complete with a climate change module, separated out best practices, water data app, and recently released 360 Virtual Tours of Alberta’s Ecoregions. Jennifer Janzen, Executive Director will give a quick demonstration of some of these new features and be available to answer questions.

Effect of seasonality on Calgary runoff quality for landscape irrigation: Winter snowmelt vs. spring rainfall events

Stormwater reuse has been identified as an important issue by The City of Calgary, The Province of Alberta and the 10 municipalities within the Calgary Metropolitan Region. Usage of stormwater for irrigation has been practiced in Calgary for an extended period of time. On a global scale, a major fraction of annual withdrawal from freshwater resources (65%) is for irrigation. This suggests how utilizing stormwater for irrigation can relieve the burden off of our regional freshwater supplies. However, the use of stormwater can have negative impacts on ecosystem health. Accumulation of nutrient-rich sediments in ponds and increase of vegetative distress/mortality due to elevated total dissolved solid (TDS) levels with melt events are considered major causes. The City of Calgary and The Province of Alberta have launched projects to develop new guidelines for stormwater reuse which will require applied research and validation. Thus, the objectives of this study are to determine the suitability of stormwater quality produced through snowmelt and rainfall events for irrigation and develop a real-time method for in-situ analysis of stormwater quality for the end users. A research program has been initiated, which includes sampling, laboratory water quality analysis and in-situ conductivity measurements. The sampling will be performed from stormwater courses within the Calgary region throughout Winter and Spring 2020 to assess the impact of de-icing agents on water quality. The results can reveal how nutrients and salts move through the landscape and can demonstrate how mid-winter and end-of-season events affect the quality of runoff water.

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