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UKL Mass Balance

Water and nutrient budgets of Upper Klamath Lake, Oregon

Aerial photo of Upper Klamath Lake
Photo by Megan Skinner/USFWS
Long-term Datasets
Based on water quality sampling data from the Klamath Tribes long-term monitoring program, spanning over 30 years of observations.
Mass Balances
Monthly mass balances of water and nutrients (phosphorus, nitrogen) for all major inflow, outflow, and storage components
Dynamic Charts
Interactive charts showing timeseries and seasonal dynamics of the lake's water and nutrient budgets

This website was developed by Jeffrey D. Walker, PhD and Jacob Kann, PhD for the U.S. Fish and Wildlife Service and Klamath Tribes. Funding was provided by the National Fish and Wildlife Foundation.