Canada; Colorful Medicine Lake

Canada; Colorful Medicine Lake

The yellow color must be pollen of conifers on the water

Canada; Jasper Nationalpark, Medicine Lake:
Jasper National Park is the largest national park in the Canadian Rockies, spanning 10,878 kmĀ². It is located in the province of Alberta, north of Banff National Park and west of the City of Edmonton. The park includes the glaciers of the Columbia Icefield, hot springs, lakes, waterfalls and mountains. Wildlife in the park includes elk, caribou, moose, mule deer, white-tailed deer, mountain goat, bighorn sheep, grizzly bear, black bear, beaver, Rocky Mountain pika, hoary marmot, grey wolf, mountain lion, and wolverine.
Medicine Lake is a geologic anomaly in the sense that it is not actually a lake but rather an area in which the Maligne River (flowing from Maligne Lake into the Athabasca River) backs up and suddenly disappears underground. During the summer months during intensified meltwater runoff the lake (which during the winter months is a meandering frozen river) fills to levels which fluctuate over time and with the runoff events. Much like a bathtub that is filled too fast for it to drain, it becomes laden with water (lake) until it can slowly drain as the tap flow (runoff) is reduced (river). The underground system is extensive and during the 1970s researchers used a biodegradable dye to determine the underground river’s extent. The dye showed up in many of the lakes and rivers in the area to the point where it became clear that the underground system was one of the most extensive in the world.

Posted by blacky_hs on 2012-10-01 20:19:25

Tagged: , canada , alberta , lake , jasper , medicine , sea , see , park

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