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This archive documents a Soil Water Balance (SWB) model of the 895-square mile upper Chehalis River Basin upstream of Grand Mound, Washington. The SWB model used to estimate a water budget (including precipitation, interception, groundwater recharge, surface runoff, and groundwater pumping) for the upper Chehalis River Basin during October 2001–September 2015.
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This data release summarizes suspended sediment monitoring results on the Chehalis (USGS 12031000), Satsop (USGS 12035000) and Wynoochee (USGS 12037400) Rivers between water years 2019 and 2022. Sediment monitoring was based on a combination of continuous turbidity records and discrete suspended-sediment concentration (SSC) measurements. Data and results for each monitoring station were combined into zip files. Each zip file contains 1) summarized SSC measurements used in model calibration, 2) a detailed model archive summary documenting the process used to estimate SSC at 15-minute intervals, and 3) full 15-minute estimates of SSC and suspended loads between Oct. 1, 2018 and Sept 30, 2022. Metadata files within...
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Columns of data representing Chehalis River tributary, sample reach locations, dates of water sampling, quantitative PCR results, and whether lamprey were sampled by electrofishing in each sample reach. ***Please note that the title of this data release used to be "Environmental DNA surveys for lampreys in Chehalis River tributaries, Washington, from 2015 and 2017," but was updated for version 2.0.
    map background search result map search result map USGS 1:100000-scale Quadrangle for Chehalis River, WA 1992 USGS 1:100000-scale Quadrangle for Chehalis River, WA 1992 Soil Water Balance Model of Upper Chehalis River Basin, Southwestern Washington 2015 environmental DNA surveys for lampreys in Chehalis River tributaries, Washington Suspended-Sediment Data for the Chehalis, Satsop and Wynoochee Rivers in Washington State, Water Years 2019-2022 Suspended-Sediment Data for the Chehalis, Satsop and Wynoochee Rivers in Washington State, Water Years 2019-2022 USGS 1:100000-scale Quadrangle for Chehalis River, WA 1992 USGS 1:100000-scale Quadrangle for Chehalis River, WA 1992 Soil Water Balance Model of Upper Chehalis River Basin, Southwestern Washington 2015 environmental DNA surveys for lampreys in Chehalis River tributaries, Washington