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Geodatabase of the datasets used to represent the two subunits of the...
This geodatabase includes spatial datasets that represent the Central Valley aquifer system in the State of California. Included are: (1) polygon extents; datasets that... -
Critical head, thickness of fine-grained deposit, and skeletal elastic...
This digital dataset defines the SUB package arrays for the model grid, critical head, thickness of fine-grained deposits, and skeletal-elastic-storage used in the transient... -
Spring 1961 hydraulic head in the lower pumped zone of California's Central...
This digital dataset defines the spring 1961 hydraulic head in the lower pumped zone of California's Central Valley. It was used to initiate the water-level altitudes for the... -
Fish Passage Priorities - CDFW - 2017 [ds2806]
Man-made barriers to salmonid migration include road /stream crossings, irrigation diversions and dams. Road /stream crossings are extremely numerous and often cross multiple... -
TSM Transect Survey - Mojave Desert - 2017 [ds2834]
Visual Encounter Transect Surveys of reptiles, amphibians, and other vertebrate wildlife taxa were conducted at a subset of study sites in the Mojave Desert in 2017. A total of... -
Water chemistry data for samples collected at groundwater sites near the...
As part of the California State Water Resources Control Board’s Oil and Gas Regional Monitoring Program , the U.S. Geological Survey collected groundwater and quality-control... -
Location of General Head Boundaries (GHB) in the Central Valley Hydrologic...
This digital dataset represents the area where lateral flow into and out of the Central Valley groundwater-flow system occurs. The General Head Boundary (GHB) is set to 0 and is... -
Wetland Habitat Structure Maps for the Central Valley of California 2013-2017
We produced a time series of maps of habitat structure within wetlands of the Central Valley of California. The structure of open water and tall emergent vegetation, such as... -
Location of diversions from the surface-water network of the Central Valley...
This digital dataset contains the name and location for the diversions from the surface-water network for the Central Valley Hydrologic Model (CVHM). The Central Valley... -
C2VSimFG Subsidence Observations
The data set is used as the C2VSimFG observed subsidence data to compare with the simulated subsidence data to evaluate the impact on subsidence, groundwater budgets, and... -
Measured compaction for 24 extensometers in the Central Valley
This digital dataset contains the compaction data for 24 extensometers used for observations in the Central Valley Hydrologic Model (CVHM). The Central Valley encompasses an... -
TSM Acoustic Bat Survey [ds2825]
Automated acoustic recorders were deployed at 331 sites across the Mojave Desert ecoregion and 263 sites across the Great Valley ecoregion between March and July of 2016 and... -
U.S. Geological Survey Stream Gages located in the Central Valley, California
This digital dataset contains the locations of, and links to USGS gages on the surface-water network for the Central Valley Hydrologic Model (CVHM). The Central Valley... -
MODFLOW2000_FMP1_1 model used to simulate the groundwater flow of the...
A three-dimensional groundwater flow model (MODFLOW200-FMP1_1) of the Central Valley in California was developed to aid water managers in understanding how water moves through... -
TSM Site Establishment Survey [ds2831]
The TSM study areas were the USDA-defined Great Valley (GV) and Mojave Desert (MD) ecoregions, truncated to California state boundaries. A grid of hexagons adapted from the USDA... -
Percent Coarse in wells in 15 meter increments and Texture Model Percent...
This digital dataset contains the percentage of coarse-grained deposits in wells in 15 meter increments and the percentage of coarse-grained deposits in texture model lattice... -
Assessment of water-quality in the California Sacramento-San Joaquin Delta...
This data release documents the spatial and temporal variability of nutrients and related water quality parameters at high spatial resolution in the North Delta in the... -
Code for use within Matlab for computing the damping and lag time of...
This data release contains code for computing the filtering properties of cyclical infiltration in a layered vadose zone in Central Valley, California. The code for computing... -
TSM Time Constrained Search - 2017 [ds2832]
Time constrained surveys for reptiles and amphibians were conducted at 184 Great Valley study sites, and 107 Mojave Desert sites, between March and June 2017. Whenever possible,... -
Farm Process (FMP) Parameters used in the Central Valley Hydrologic Model (CVHM)
This digital dataset defines the farm-process parameters used in the transient hydrologic model of the Central Valley flow system. The Central Valley encompasses an approximate...