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Data from an Analysis of Dissolved Organic Matter in the Upper Klamath River, Lost River, and Klamath Straits Drain, Oregon and California, 2013–16


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Goldman, J.H., 2017, Data from an analysis of dissolved organic matter in the Upper Klamath River, Lost River, and Klamath Straits Drain, Oregon and California, 2013–16: U.S. Geological Survey data release,


Concentrations of particulate organic carbon (POC) and dissolved organic carbon (DOC), which together comprise total organic carbon, were measured in a reconnaissance study at sampling sites in the Upper Klamath River, Lost River, and Klamath Straits Drain in 2013–16. In addition, data for total nitrogen and chlorophyll a were collected. Optical absorbance and fluorescence properties of dissolved organic matter (DOM), which contains DOC, also were analyzed. Excitation-Emission matrices (EEMs) were produced for each sample and full absorbance spectra. The EEMs were compiled and key data points and regions of the spectra were extracted from each site. Parallel factor analysis was used to decompose the optical fluorescence data into five [...]


Point of Contact :
Jami H Goldman, Annett Sullivan
Originator :
Jami H Goldman
Metadata Contact :
Jami H Goldman
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey - ScienceBase
USGS Mission Area :
Water Resources
SDC Data Owner :
Oregon Water Science Center

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Many water-quality problems have strong ties to organic matter, both naturally occurring and derived from anthropogenic activities. Organic matter is ubiquitous in aquatic environments and can significantly affect ecosystems and human health by limiting light availability in the water column; transporting toxic metals leading to diminished biological health; increasing sediment oxygen demand, thereby depleting dissolved oxygen available for fish; and reacting with drinking water chemicals to produce potentially carcinogenic byproducts in drinking water. The data presented here were used to assess the quantity, quality, and sources of organic matter in the Lost River system of the Klamath Basin of Oregon and California across various hydrologic conditions during 2013–2016.

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DOI doi:10.5066/F71Z42V4

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