WWRC 92-20
Chemical Hydrograph Separation Using Field and Experimental
Data with Implications for Solute Cycling in an Alpine Catchment
Abstract
Geochemical reactions during bedrock fracture flow and in the soil column alter
input solute concentrations in the West Glacier Lake catchment. Chemical hydrograph separation
provides information regarding the relative importance of geochemical processes. Soil column
reactions include cation exchange, anion retention, biotic uptake/release, and mineral weathering.
Solute concentrations in precipitation are relatively constant; thus, seasonal concentrations in soil
solutions are controlled by cation exchange and anion retendon while net flux of cations from the
catchment is the result of mineral weathering.
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