Introduction to Mount Baker and the Nooksack River Watershed

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The headwaters of the North Fork and Middle Fork Nooksack River are the glaciers of Mount Baker, the South Fork Nooksack River lacks glacier cover. The glaciers are a critical source of runoff for the North Fork contributing 30–40 % of the total runoff during late summer. In the last 30 years glacier retreat and climate change is altering the timing and magnitude of glacier runoff. For 31 years the North Cascade Glacier Climate Project has been examining glaciers at the headwaters of this system.