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Shallow Sediment Geochemistry in a Mercury-Contaminated Multi-Habitat Floodplain: Cache Creek Settling Basin, Yolo County, California (version 2.0, August 2021)

Dates

Publication Date
Start Date
2010
End Date
2019
Revision
2021-08-04

Citation

Marvin-DiPasquale, M.C., Alpers, C.N., Windham-Myers, L., Fleck, J.A., Agee, J.L., Kieu, L.H., Kakouros, E., Arias, M., Orlando, J., Bennett, P.A., Stumpner, E., Kinnard, K.D., Ward, A.J., Rose, S.L., and Baesman, S.M., 2021, Shallow Sediment Geochemistry in a Mercury-Contaminated Multi-Habitat Floodplain: Cache Creek Settling Basin, Yolo County, California (version 2.0, August 2021): U.S. Geological Survey data release, https://doi.org/10.5066/P9MDXR3M.

Summary

The Cache Creek Settling Basin (CCSB) is a 13.3 km2 leveed basin located at the terminal drainage of the Cache Creek watershed, immediately NE of the town of Woodland (Yolo County), California and approximately 18 km NW of Sacramento, California. The basin was constructed by the U.S. Army Corps of Engineers (completed in 1937 and modified in 1993) for the purpose of trapping suspended sediment transported from the upper Cache Creek watershed during high-flow events, thus preventing sediment from entering the Yolo Bypass, a larger downstream floodwater conveyance and agricultural zone. In addition to trapping suspended sediment, the CCSB also traps sediment-associated mercury (Hg), which is particularly elevated in the upper watershed, [...]

Child Items (2)

Contacts

Point of Contact :
Mark C Marvin-DiPasquale
Originator :
Mark C Marvin-DiPasquale, Charles N Alpers, Lisamarie Windham-Myers, Jacob A Fleck, Jennifer L.Agee, Le Kieu, Evangelos Kakouros, Michelle R Arias, James L Orlando, Peter Bennett, Elizabeth B Stumpner, Kevin Kinnard, Alfred J Ward, Shanna L Rose
Metadata Contact :
Jennifer L Agee
Distributor :
U.S. Geological Survey - ScienceBase
Publisher :
U.S. Geological Survey
USGS Mission Area :
Water Resources
SDC Data Owner :
Earth System Processes Division

Attached Files

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Metadata_Shallow_Sed_Geochem_ParentPage_v2.xml
Original FGDC Metadata
View 		8.53 KB application/fgdc+xml
ParentPage.JPG thumbnail 7.33 MB image/jpeg
CCSB_Version_History_v2.0.txt
“List of changes from v1 to v2” 		4.16 KB text/plain

Purpose

As part of its Total Maximum Daily Load program, the State of California’s Central Valley Regional Water Quality Control Board has a goal to reduce the amount of Hg entering the Sacramento – San Joaquin Delta by increasing the trap efficiency of the CCSB from approximately 50% (previously estimated for the period 1984–2003) to 75% (Wood and others, 2010). The study associated with this data release has two primary goals: a) to obtain estimates of the trap efficiency of the CCSB for both particulate and dissolved Hg species (total Hg and methylmercury); and b) to improve understanding of Hg biogeochemistry and bioaccumulation within the CCSB, particularly in relation to the four main habitat types noted above. This data release is focused on the within-basin sediment component (goal b) of this larger study. Water-quality data related to trap efficiency (goal a) are reported separately (see ‘Related Links’).
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Revision 2.0 by Shaun Baesman on August 4, 2021. To review the changes that were made, see “CCSB_Version_History_v2.0.txt” in the attached files section.

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DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9MDXR3M

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