Gust Erosion Chamber Data, Yolo Bypass, CA (2015-16)
Dates
Publication Date
2016-11-30
Start Date
2015-01-30
Citation
Work, P.A., Schoellhamer, D.H., and Weidich, Kurt, 2016, Gust Erosion Chamber Data, Yolo Bypass, CA (2015-16): U.S. Geological Survey data release, https://doi.org/10.5066/F7BV7DQC.
Summary
A Gust erosion chamber was used to apply horizontal shear stress to sediment cores obtained at selected locations within the Yolo Bypass near Sacramento, California. The locations correspond to different land uses; two cores were taken at each site. The shear stress was increased in stepwise fashion, and turbidity of the effluent monitored. From this, two quantities are calculated: 1) critical shear stress required to initiate erosion, and 2) soil mass eroded per square meter at an applied shear stress of 0.4 Pa. So for each core we have a date, land use or site, core number, latitude, longitude, critical shear stress, and eroded mass at tau = 0.4 Pa.
Summary
A Gust erosion chamber was used to apply horizontal shear stress to sediment cores obtained at selected locations within the Yolo Bypass near Sacramento, California. The locations correspond to different land uses; two cores were taken at each site. The shear stress was increased in stepwise fashion, and turbidity of the effluent monitored. From this, two quantities are calculated: 1) critical shear stress required to initiate erosion, and 2) soil mass eroded per square meter at an applied shear stress of 0.4 Pa. So for each core we have a date, land use or site, core number, latitude, longitude, critical shear stress, and eroded mass at tau = 0.4 Pa.
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Gust_Erosion_Chamber_Data_Yolo_Bypass_CA_2015_16_ (6).xml Original FGDC Metadata
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Related External Resources
Type: Related Primary Publication
Work, P.A., and Schoellhamer, D.H., 2018, Measurements of erosion potential using Gust chamber in Yolo Bypass near Sacramento, California: U.S. Geological Survey Open-File Report 2018–1062, 17 p., https://doi.org/10.3133/ofr20181062.
The data were collected to describe soil erosion rates as a function of applied shear stress (which in turn is a function of water flow speed). The data are serving as input to a numerical model intended to describe the transport and fate of mercury in the Yolo Bypass.
