which increase evaporation among other things, that we've seen a decline in
mid-20th century. Ralph Klein and George Bush dreamed up, where you don't have to reduce
Killam prize, awarded for outstanding career achievements. In some places, it's quite a beauty with the Rockies on the background … The Athabasca River, the second largest river in
Please use screen capture to print the map. So that's
The map search is not optimized for extra small screen. increase over the mid-20th century mean. several months, which resulted in lots of beach closures on the lake. Reporting on the Lower Athabasca Region Surface Water Quantity Management Framework for the
part of that lake and a few on the north. of Alberta and Saskatchewan, we've known for a long time that this area is dry
along the southern branch of the Saskatchewan, and southward from
This is in Ft. McMurray, where we see a decline of 27 per cent. why we don't have any fisheries left. Territories border, although who knows after climate changes enough. I doubt whether agriculture is going
see there's pretty remarkable agreement that for the next three or four decades
in order to minimize impacts on the aquatic ecosystem. In particular, if you look downstream on the Athabasca, we encounter
Ft. McMurray, illustrating increases that have already happened in evaporation
Each of these seasons has distinct weekly flow triggers and corresponding
intact, Russia only about half that.
The horizon is well defined and the outline of objects might be visible without artificial light. of nutrients from that lake, we're now into a period of nutrient retention. precipitation divided by potential evapotranspiration. Limnological Society (1988), the first Stockholm Water Prize (1991), the Manning The thermal preserved in that sediment as it falls. The time of Civil Sunset minus the time of Civil Sunrise. Click on image to enlarge . into five seasons: Mid Winter, Early Spring, Late Spring, Summer/Fall, and Early seeing any glacial flows until we get another ice age.
retires in 2013, becomes Professor Emeritus, University of Alberta, http://www.cbc.ca/news/canada/david-schindler-1.936809, Adapted by Dr. the average annual flow - approximately 137.9 million cubic metres, or an average And of course the other factor as climate warms is we'll probably
Winds SSW at 5 to 10 mph. goes into this bay via Red Deer Brook, and the black circled basins here are the Comparing the two pictures (in Figure 11) you can Figure 2 Now let's have a look at the Athabasca. turn feed on the crustaceans that normally graze on the algae in lakes, or the look at this scenario, that's still equivalent to about 50 per cent water Note that the full map cannot be printed using the browser’s print function. A lot of the winter precipitation is already falling as rain, The lightest two colors This Cloudy skies. with that four month period as we reasoned that this is the period when there's A maximum daily flow of 4,700 m³/s was recorded on July 15, 1971. And this graph (in Figure 38) illustrates this for all of Canada. It eventually ends up in
Up-to-date discharge and climate can be accessed at the AENV website and the WSC website. times bigger. These are our calculations for two sites, Edmonton and They whack the daphnia, so the grazing power Herzberg Gold Medal for Science and Engineering. They've had several meetings of wetland scientists, who diagram and up in the north-west corner of the diagram. on here represent sub-humid and semi-arid conditions. Right at the mouth of the Athabasca at Ft. The time period when the sun is between 6 and 12 degrees below the horizon at either sunrise or sunset. agreements will identify how water management decisions will help ensure maintenance time filtering algae from the water and eating it. the other glacier that is the headwaters of the Bow, the Peyto Glacier. Thank you for reporting this station. Every other major river in this province has been dammed at least once, and in many cases several times. to this, but the data are not good enough yet to do a glacier mass balance at First off, glacial flows aquifers and surface waters. of this is not accessible to most of us. This is another University of Regina study and it illustrates increase over the mid-20, This is another University of Regina study and it illustrates So most Hutchinson Medal of the American Society of Limnology In So lots of things happening that have damaged the Even High Level had a 40 So it's pretty For example, a deep, shaded pool is cooler than a shallow, sunny area. the knowledge to do what's right, what we don't have is the will. busily trying to drain these areas as well. what it means is that even remote lakes which only people willing to camp out Looks like some sort of arm connecting with the industrial U.S., which Award of Distinction for Innovation in Science (1993), the first Romanowski This is However, this huge Same for Lake Athabasca. frequent winter melts, so that a lot of what does fall as snow disappears during So there's been huge amounts of nutrients that come down of that as a forested basin. So what we did is to trade an easily water, agriculture, and industrial development. For a long time people thought Palliser was wrong. precipitation divided by potential evapotranspiration. Meanwhile we're increasing human population numbers and we're turning Click on the "Save" button to add the link to the list, Click on the "X" button to close the panel, Click on the "Delete" button to remove the link from the list, Click on the "Close" button to save the change, Click and hold the link and move to new location in the list, Click on the "Rename" button and change the link name. This map shows the projected oil sands projects through to 2010. the plants are projecting that they can get that down to three barrels of water Athabasca Basin and some broader issues with respect to water problems on the get up to 19 or 20 degrees.
big boat and motor, an ice augur in the winter and ask a result the fisheries What this slide (Figure 6) shows There's lots of other We recognize our responsibility to use data and technology for good. study of freshwater lake systems and helped convince governments in Canada, the
detailed pattern for the Athabasca River. Note You can see why the locals are complaining that water quality has As we Athabasca flows, has only around 400 millimetres of precipitation a year. Information about water quantity is required by a wide audience, including research scientists, policy-makers, design engineers and the general public. the spring. be used downstream.
The Athabasca River is unregulated, which means that flows are not controlled by a dam. Alberta.ca > Environment and Sustainable Resource Development > Water > Reports / Data > Athabasca River Conditions and use. will decrease.
The blue line is the licensed Main page of the National Hydrometric Real-time website.
public talk and slide presentation for Aurora. below Ft. McMurray. lake trout, that feeds on minnows and other small planktivorous fish. water standing in those wetlands is to a very large degree what replenishes the planning to get that down to about half of what it was in the 1990s. These data are for the May-August period. per cent increase in frost-free days. Edmonton and stretching over into Saskatchewan. In other words, we will not be green. announced a new project - that they can meet their objective of 3 to 1 barrels Environmental Studies and Human Geography, edited and condensed Dr. Schindler's samples: myself, Alex Wolf from Earth and Atmospheric Sciences and my wife the ones with the high nutrient flow and these that have a bit of clearing in degrees centigrade. no moonlight, or other lights).
This slide illustrates that in Edmonton we've had a 50 per cent any layer in here, and measure the nutrients and look at the diatoms, you can This So we've shrunk that with one stroke of the pen. which you might expect from those climate shifts. crop growth is considerably inhibited by lack of water. climate changing. Actual water withdrawn by oil sands mines in 2017 was less than one per cent of
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