By Mauri Pelto
This publication provides the impression of weather switch on Mount Baker glaciers, united states, and the rivers surrounding them. Glaciers are typical reservoirs that yield their source totally on hot dry summer time days while different assets are at their lowest yield. This average tempering of drought stipulations should be diminished as they retreat.
Mount Baker, a volcano within the Cascades of Washington, is at the moment host to twelve valuable glaciers with a space of 36.8 km2. The glaciers yield a hundred twenty five million cubic meters of water every one summer season that may be a source for salmon, irrigation and hydropower to the Nooksack River and Baker River watersheds. contemporary quick retreat of all 22 glaciers is changing the runoff from the glaciers, impacting either the release and temperature of the Nooksack and Baker River. during the last 30 years we've spent 270 nights camped at the mountain carrying out 10,500 observations of snow intensity and soften cost on Mount Baker. this information mixed with observations of terminus swap, sector switch and glacier runoff over a similar 30 years enable an strangely accomplished tale to be informed of the results of weather swap to Mount Baker Glaciers and the rivers that drain them.
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Extra resources for Climate Driven Retreat of Mount Baker Glaciers and Changing Water Resources
7). On Aug. 4th the mapped snow covered area is conﬁrmed by a Landsat image indicating a single small blue ice area (Fig. 8). By Aug. 20th a satellite image indicates that the blue ice area had expanded to an area of 220,000 m2. Field observations on Sept. 1 indicate the snowcovered area had expanded to 320,000 m2 (Fig. 9) Satellite imagery from September 12, indicates a further expansion of the blue ice and ﬁrn from winters before 2013 to 400,000 m2 (Fig. 10). The location of the snowline where snow depth is zero is currently measured using GPS and with Landsat imagery.
Measurements are conducted only in vertically walled crevasses with distinguishable annual layer dirt bands where the annual layer is not distorted by a slump. 28 3 Glacier Mass Balance Most of the vertically walled crevasses also tend to be narrow less than 2 m across. In the North Cascades the ablation surface of the previous year is always marked by to 5 cm thick band of dirty-ﬁrn or glacier ice (Figs. 4). It is possible that the annual layer is difﬁcult to distinguish in a crevasse because of a poorly developed summer icy-dirty layer.
J Glaciol 42(140):3–9 Pelto MS (1997) Reply to comments of Meier and others on “Annual net balance of North Cascade glaciers 1984–1994” by M. S. Pelto. J Glaciol 43(143):193–196 Pelto MS (2000) The impact of sampling density on glacier mass balance determination. Proc Hydrol 14:3215–3225 Pelto MS (2011) Skykomish River, Washington: impact of ongoing glacier retreat on stream ﬂow. Hydrol Process 25(21):3267–3371 Pelto MS, Brown C (2012) Mass balance loss of Mount Baker, Washington glaciers 1990–2010.