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Western Washington University

1993

Watershed studies

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Hydrogeochemical Interactions In A Subalpine Watershed, Mount Baker National Recreation Area, Washington, Joann Michele Holloway Jan 1993

Hydrogeochemical Interactions In A Subalpine Watershed, Mount Baker National Recreation Area, Washington, Joann Michele Holloway

WWU Graduate School Collection

The Upper Bagley watershed was monitored from April to November, 1992. The watershed is described as a series of chemically distinct subsystems: 1) the snowpack, 2) soil solutions, and 3) surface water. The hydrogeochemical interactions between these subsystems were investigated in the Upper Bagley watershed. Chemical analyses of these fluids were used to identify how soil solutions vary from water derived from the snowpack and what impact soil solutions have on surface-water chemistry.

Water-ice interactions alter the snowpack chemistry, enriching the melt in calcium, magnesium, sodium, chloride, and sulfate that accumulate at the surface of ice crystals. The melt from …