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The Sauk River, a fedrally designated Wild and Scenic River, is one of the few large glacier-fed rivers in western Washington that is unconstrained by dams and drains a relatively pristine landscape which includes Glacier Peak, a glaciated stratovolcano. The U.S. Geological Survey (USGS) conducted a 5-year study (2012-2016 water years) of suspended-sediment and water temperature monitoring for the purpose of determining suspended-sediment loads and identifying sediment production regimes and associated seasonality of sediment transport. Monitoring occurred at three USGS streamgages on the Sauk River, including two long-term gages with more than 90 years of continuous record and a new gage installed for the purpose...
Categories: Data;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: USGS Science Data Catalog (SDC),
Water Quality,
Water Resources
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...
This data release contains time series data of suspended-sediment concentration and loads determined at five USGS streamgages in the Nooksack River Basin, Whatcom County, Washington: Nooksack River at Ferndale (12213100), Nooksack River at North Cedarville (12210700), North Fork Nooksack River below Cascade Creek near Glacier (12205000 ), Middle Fork Nooksack River near Deming (12208000), and South Fork Nooksack River at Saxon Road (12210000). For each streamgage, a 15- or 60-minute time series of suspended sediment concentration are computed from turbidity-based regression equations, and daily suspended sediment loads are calculated as the product of suspended sediment concentration and discharge multiplied by...
Categories: Data;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: USGS Science Data Catalog (SDC),
Whatcom County,
suspended sediment,
turbidity
Measurements of suspended-sediment concentration and particle-size distribution were made in selected rivers located in Washington and Virginia with an in-stream, particle-size analyzer that uses laser-diffraction methods to measure the concentration and size of suspended particles. Measurements were made in 11 rivers from 2018 to 2019 using the LIST-SL2, a second-generation streamlined sensor that is part of the Laser In Situ Scattering and Transmissometry (LISST) series of instruments manufactured by Sequoia Science Inc. ( Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government, the authors, or their affiliations). Physical samples of sediment...
This data release includes time series data of stage, water velocity and water quality parameters at multiple locations in the tidally-influenced reaches of the Nisqually River and McAllister Creek, and tidal channels of the Nisqually River Delta. In total, time series data were collected at multiple sites from February 11, 2016 to March 19, 2018 during separate but generally overlapping periods over a range of tidal and hydrologic conditions for augmenting hydrodynamic models that will be used to inform river delta restoration alternatives. Time series data were collected at 10 sites in the study area: 3 sites in the lower Nisqually River, defined here as the tidally-influenced reach downstream from Mounts Road;...
Categories: Data,
Data Release - Revised;
Types: Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service,
Shapefile;
Tags: USGS Science Data Catalog (SDC)
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