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  3. Pilot study on bathymetric change analyses in the Sacramento-San Joaquin Delta, California
  4. Bathymetric change analyses of the southernmost portion of the Mokelumne River, California, from 1934 to 2018

Bathymetric change analyses of the southernmost portion of the Mokelumne River, California, from 1934 to 2018

Dates

Publication Date
Start Date
1933-11-14
End Date
2018-03-30

Citation

Fregoso, T.A., and Jaffe, B.E., 2020, Pilot study on bathymetric change analyses in the Sacramento-San Joaquin Delta, California: U.S. Geological Survey data release, https://doi.org/10.5066/P976WNNN

Summary

Bathymetric change grids covering the periods of time from 1934 to 2011, from 2011 to 2018, and from 1934 to 2018 are presented. The grids cover a portion of the Mokelumne River, California, starting at its terminus at the San Joaquin River and moving upriver to the confluences of the north and south branches of the Mokelumne. Positive grid values indicate accretion, or a shallowing of the surface bathymetric surface, and negative grid values indicate erosion, or a deepening of the bathymetric surface. Bathymetry data sources include the U.S. Geological Survey, California Department of Water Resources, and NOAA's National Ocean Service.

Contacts

Point of Contact :
PCMSC Science Data Coordinator
Originator :
Theresa Fregoso, Bruce E Jaffe
Metadata Contact :
PCMSC Science Data Coordinator
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey - ScienceBase
SDC Data Owner :
Pacific Coastal and Marine Science Center
USGS Mission Area :
Natural Hazards

Attached Files

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SMoke_bathy_change_metadata.xml
Original FGDC Metadata
View 		24.16 KB application/fgdc+xml
SMoke_bathy_change.png thumbnail 8.2 MB image/png
Extension: SMoke_bathy_change_1934_2011.zip
SMoke_bathy_change_1934_2011.tfw 90 Bytes
SMoke_bathy_change_1934_2011.tif 188.59 KB
SMoke_bathy_change_1934_2011.tif-ColorRamp.SLD 2.09 KB
Extension: SMoke_bathy_change_1934_2018.zip
SMoke_bathy_change_1934_2018.tfw 90 Bytes
SMoke_bathy_change_1934_2018.tif 160.94 KB
SMoke_bathy_change_1934_2018.tif-ColorRamp.SLD 2.09 KB
Extension: SMoke_bathy_change_2011_2018.zip
SMoke_bathy_change_2011_2018.tfw 90 Bytes
SMoke_bathy_change_2011_2018.tif 1.63 MB
SMoke_bathy_change_2011_2018.tif-ColorRamp.SLD 2.09 KB

Purpose

These bathymetric change grids were created for use in a pilot study to explore bathymetric change in the Sacramento-San Joaquin Delta region. The bathymetry of the Delta affects the flow of water and sediment throughout the system and is a basic control on levee stability, habitat distribution, and water quality. Delta bathymetry is dynamic, responding to both natural and human-induced changes in the environment. Assessment of future Delta conditions is aided by an understanding of how its bathymetry has changed in the past.
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