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Data Sources

The mass balance datasets are generated from a variety of data sources including long-term water quality sampling programs, continuous streamflow gauges, etc. The following table lists the primary data sources used for computing the mass balance datasets.

Data SourceDescriptionLink
Klamath Tribes Long-term Water Quality Monitoring ProgramBiweekly water quality sampling data of Upper Klamath Lake and major tributariesSTORET
USGS Water Quality SamplingBiweekly water quality sampling data of Upper Klamath Lake and its tributariesUSGS NWIS
USGS StreamflowContinuous streamflow data of major tributaries and lake outletUSGS NWIS
USGS Water LevelContinuous lake surface elevation dataUSGS NWIS
AgrimetEvaporation and precipitation dataUSBOR Agrimet
NOAAPrecipitation dataNOAA CDO

More details on the various datasets and sampling programs can be found in the most recent mass balance report (Walker and Kann, 2022), which is available in the Reports section.