Glacier retreat affects stream ecology, water resources

Calgary Herald: Dozens of scientists took a bus early Wednesday to the middle of the snow-covered Athabasca Glacier in the Columbia Icefield, stepping into a site that's known as Canada's hydrological apex. Along the edges, there are signs the glacier was once wider. At the bottom, markers show how much it's retreated — more than 1.5 kilometres in the past 125 years. The tour — led by the University of Calgary's Shawn Marshall and Michael Demuth of the Geological Survey of Canada — is a stark reminder of how...

URL: http://www.calgaryherald.com/technology/Glacier%20retreat%20Rocky%20Moutnains%20affects%20stream%20ecology/7406416/story.html