APEGGA - Engineers Canada Joint Workshop Edmonton, April 16, 2010 Dave Sauchyn, Prairie Adaptation Research Collaborative Climate Change Projections and.

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Presentation transcript:

APEGGA - Engineers Canada Joint Workshop Edmonton, April 16, 2010 Dave Sauchyn, Prairie Adaptation Research Collaborative Climate Change Projections and Impacts in Alberta

Each upgrader would require 20-30,000 cubic metres per day for evaporative cooling Water Sources The North Saskatchewan River (new licences) Under-utilized existing licences Recycled Wastewater Produced water in the area From - WATER: From - WATER: Alberta’s Next Big Economic and Social Challenge (P. Kim Sturgess, P.Eng. FCAE Heavy Oil Upgraders planned for the Edmonton Industrial Heartland

“the area on the North Saskatchewan River meets a lot of the criteria to support a nuclear power plant. “It's got a good water source” Duncan Hawthorne, President and CEO Bruce Power The Canadian Press 27/11/08 Bruce Power study eyes northwest Saskatchewan for new nuclear power plant

On May 2nd [1796] William Tomison wrote to James Swain that furs could not be moved as, “there being no water in the river.” North Saskatchewan River

departures from the mean North Saskatchewan River at Edmonton,

Nine hundred year streamflow reconstruction of the North Saskatchewan River Vanstone et al.

July 23-29, Aug 20 & 30 Old Wood Headwaters, NSRB

Source: Climate Change – Potential IRP Impact areas EPCOR Water Services Inc. (EWSI) provides water, wastewater, and distribution services to over one million people in more than 50 communities across Western Canada. EWSI utilizes an Integrated Resource Planning (IRP) approach for the development of capital and operational plans for the Edmonton water system. Traditional planning would consider flow characteristics of the raw water streams as “knowns” in the system.

The Prairie Adaptation Research Collaborative is a partnership of the governments of Canada, Alberta, Saskatchewan and Manitoba mandated to pursue climate change impacts and adaptation research in the Prairie Provinces.

Alberta adapting to a changing climate by managing short and long-term climate risks and opportunities within an integrated sustainable development policy framework. The Alberta Vulnerability Assessment Project Barrow and Yu, Climate Scenarios for Alberta. Sauchyn et al Alberta Biophysical Impact Assessment Sauchyn, Barrow and Lapp Climate Variability in Alberta: Past, Present and Future Weber, Davidson and Sauchyn, Integrated Vulnerability Assessment

Projected changes in mean annual temperature and precipitation The coloured symbols are the projected from global climate models; the grey squares show the ‘natural’ climate variability simulated by a long control run of the CGCM2.

Global warming -- it's not all bad In fact, for people living in places like Edmonton, a warmer climate has plenty of benefits David Staples, The Edmonton Journal Sunday, November 23, 2008 Robert Mendelsohn, an economics professor at Yale University, who says the benefits of global warming for Canada will be substantial and will outweigh the negative effects. "You're lucky because you're a northern latitude country, Mendelsohn says. "If you add it all up, it's a good thing for Canada.“ There will be opportunities for Canadian farmers going forward, Sauchyn says … "The most challenging impact of climate change is not going to be a shift in average conditions …”

We are losing the advantage of a cold winter

Seasonal Scenarios

AMEC South Saskatchewan River Basin in Alberta: Water Supply Study. Alberta Agriculture and Rural Development. Martz et al. (2007) Potential Climate Change (%) Impacts on Natural Flows in the SSRB

Extra water will be available in winter and spring, while summers generally will be drier

Major changes in ecological goods and services are expected

Extreme weather and climate are “wild cards”

There will be greater variation in water and climate Both drought and unusually wet years could occur with greater frequency and severity

Precipitation at Medicine Hat, Departures from average (~ 330 mm)

Global Warming Amplifies Hydro-Climatic Variability

Streamflow Projections

Prairie Drainage Basins (source: AESB – formerly PFRA)

The impacts of climate change will depend on how well we adapt and how much adaptation is required The net impacts of climate change are not clear