Soil processes at Emerald Lake Watershed. Final report
The objectives of the Soils Processes research at Emerald Lake Watershed (ELW) were to assess physical, chemical and biological processes contributing to the production or consumption of acidity in soils and to assess the net effect of soil processes on surface-water quality in an alpine watershed. Most of the N and S in ELW soils is stored in organic forms. Most of the soil P is present in nearly insoluble mineral forms. The ELW soils can adsorb only small quantities of sulfate, thus their capacity for buffering acid additions by sulfate adsorption is low. Concentrations of Al, Ca, Mg, K, and Na in both soil solution and stream samples reflected patterns of mineral weathering in the watershed. Summer CO/sub 2/ concentrations in the soils were high enough to increase soil solution acidity and influence the speciation of dissolved elements. The overall chemistry of stream waters reflects the mineral composition of soils and rocks at ELW.
- Research Organization:
- California Univ., Riverside (USA). Dept. of Soil and Environmental Sciences
- OSTI ID:
- 5671017
- Report Number(s):
- PB-88-118310/XAB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
CALIFORNIA
SURFACE WATERS
WATERSHEDS
CARBON DIOXIDE
ADSORPTION
SOILS
ACID NEUTRALIZING CAPACITY
SULFATES
WATER QUALITY
ACIDIFICATION
CHEMICAL REACTIONS
LYSIMETERS
NAPAP
NITROGEN
SOIL CHEMISTRY
WATER POLLUTION
WEATHERING
CARBON COMPOUNDS
CARBON OXIDES
CHALCOGENIDES
CHEMISTRY
ELEMENTS
ENVIRONMENTAL QUALITY
FEDERAL REGION IX
MEASURING INSTRUMENTS
NONMETALS
NORTH AMERICA
OXIDES
OXYGEN COMPOUNDS
POLLUTION
SORPTION
SULFUR COMPOUNDS
USA
WATER CHEMISTRY
510200* - Environment
Terrestrial- Chemicals Monitoring & Transport- (-1989)
520200 - Environment
Aquatic- Chemicals Monitoring & Transport- (-1989)