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Filtering by: Subject Lake sediments -- California -- Pear Lake -- Analysis

Analysis of semi-volatile organic compounds in high elevation lake sediments

Creator:

Wang, Yunzhu

Abstract:

The transport and deposition of airborne contaminants, including semivolatile organic compounds (SOCs), to high elevation ecosystems is recognized as a potential threat to these ecosystems. The objectives of this research were to develop an analytical method to measure a wide range of SOCs in high elevation lake sediment and to...

Resource Type:

Masters Thesis

Full Text:

analytical method, we measured SOCs in a sediment core collected from Pear Lake, Sequoia National Park, CA
Anaerobic metabolism in Lake Washington sediments

Creator:

Pamatmat, Mario Macalalag, Bhagwat, Ashok M., and U.S. International Biological Program. Coniferous Forest Biome

Abstract:

A method of measuring the dehydrogenase activity of sediments at lOC was calibrated by direct microcalorimetry at the same temperature. Field measurements of dehydrogenase activity of sediments in Lake Washington were converted to rates of metabolic heat release by means of the significant regression of dehydrogenase activity on metabolic heat...

Resource Type:

Technical Report

Full Text:

between the two measures of community metabolism. The sediment samples from Lake Washington had metabolic