Concentration‐discharge relationships in headwater streams of the Sierra Nevada, California

We examined stream water concentration‐discharge relationships for eight small, forest watersheds ranging in elevation from 1485 to 2465 m in the southern Sierra Nevada. These headwater streams revealed nearly chemostatic behavior by current definitions for K+, Ca2+, Mg2+, Na+, Cl–, and SO42– in mos...

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Veröffentlicht in:	Water resources research 2017-09, Vol.53 (9), p.7869-7884
Hauptverfasser:	Hunsaker, Carolyn T., Johnson, Dale W.
Format:	Artikel
Sprache:	eng
Schlagworte:	Calcium Chemistry chemostatic Chlorides Dilution Discharge Experimental basins Experimental watersheds Flow paths Forest watersheds Headwaters High flow Hydrology ion concentrations Ions Magnesium O‐horizon interflow Plant cover Rain Rain-snow transition Rivers Runoff Sierra Nevada Snowmelt Soil Soil chemistry Soil water Statistical analysis Storm runoff Storms Stream water Streams Transition zone Vegetation cover Water Water chemistry Watersheds Weather patterns
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Zusammenfassung:	We examined stream water concentration‐discharge relationships for eight small, forest watersheds ranging in elevation from 1485 to 2465 m in the southern Sierra Nevada. These headwater streams revealed nearly chemostatic behavior by current definitions for K+, Ca2+, Mg2+, Na+, Cl–, and SO42– in most cases but not for NH4+, NO3–, or ortho‐P. The latter ions were somewhat enriched during high flows. All ions studied showed a dilution process at lower flows (
ISSN:	0043-1397 1944-7973
DOI:	10.1002/2016WR019693