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Time lags in watershed nitrogen and phosphorus input-output balances: A forty-four year record of the Willamette River Basin

Published by U.S. EPA Office of Research and Development (ORD) | U.S. Environmental Protection Agency | Metadata Last Checked: August 02, 2025 | Last Modified: 2021-04-07
The following 4 tables accompany the peer-reviewed journal article GS Metson, J Lin, JE Compton, JA Harrison. "Where have all the nutrients gone? Long-term Decoupling of Inputs and Outputs in the Willamette River Watershed, Oregon, USA". Published in JGR Biogeoscience. Values refer to the Willamette River Watershed, which was defined as the area draining to USGS gauge 14211720 (which is 29 018 km2 when delimiting using HydroSHEDs 15 arc-second flow direction maps (Lehner et al 2006)). These datasets were created May 2017.

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