119 datasets found
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Federal
San Francisco Bay-Delta bathymetric/topographic digital elevation model(DEM)
Department of the Interior —
A high-resolution (10-meter per pixel) digital elevation model (DEM) was created for the Sacramento-San Joaquin Delta using both bathymetry and topography data. This... -
Federal
Sediment Concentration and Velocity Data to Assess Trapping by Submerged Vegetation
Department of the Interior —
The acoustic Doppler current meter (ADCP) used in this study outputs binary data files containing measurement scheme, location, time, velocity, backscatter, boat... -
Federal
Data to fit an occupancy model to trapping data for the northwestern pond turtle and red-eared slider in the Sacramento Valley (2018) and Sacramento-San Joaquin River Delta (2019)
Department of the Interior —
These data represent the results of trapping efforts for native northwestern pond turtles (Actinemys marmorata) and non-native red-eared sliders (Trachemys scripta... -
Federal
Data used in projected air and water temperatures for selected regions of the upper San Francisco Estuary and Yolo Bypass under 20 scenarios of climate change
Department of the Interior —
Understanding the effects of climate change is a substantial challenge in estuarine systems because the mixing of freshwater and ocean water adds complexity to... -
Federal
Assessing spatial variability of nutrients, phytoplankton, and related water quality constituents in the California Sacramento-San Joaquin Delta at the landscape scale: 2023 High resolution mapping surveys
Department of the Interior —
Broad-area, high-resolution, boat-based water quality mapping surveys of the Sacramento-San Joaquin Delta and Suisun Bay (Delta) of California, USA were conducted... -
Federal
Water chemistry, vertical profiles, phytoplankton and zooplankton counts, and metabolism calculations in the Sacramento River Deep Water Ship Channel 2019
Department of the Interior —
Here we archive data collected during a nitrogen addition field experiment in the Sacramento River Deep Water Ship Channel. Calcium nitrate was added on 8 dates to a... -
Federal
Water-level, wind-wave, velocity, and suspended-sediment concentration (SSC) time-series data from Little Holland Tract (station HVE), Sacramento-San Joaquin Delta, California, 2016
Department of the Interior —
Water depth, turbidity, and current velocity time-series data were collected in Little Holland Tract in 2016. Depth (from pressure) and velocity were measured in... -
Federal
Nutrient Addition Experiment in the Sacramento River Deep Water Ship Channel
Department of the Interior —
Data were collected in the Sacramento River Deep Water Ship Channel (West Sacramento, CA) in support of a whole-ecosystem experiment investigating whether... -
Federal
Grain size and bulk density from Little Holland Tract and Liberty Island, Sacramento-San Joaquin Delta, California, 2015 to 2019 (ver. 4.0, March 2025)
Department of the Interior —
Grain size distribution, bulk density, and percent carbon are reported for sediment samples from two flooded agricultural tracts, Little Holland Tract and Liberty... -
Federal
Interagency Ecological Program: USFWS Delta Boat Electrofishing Survey, 2018-2021
Department of the Interior —
The United States Fish and Wildlife Service's (USFWS) Delta Boat Electrofishing Survey was designed to estimate spatial and temporal trends in abundance, occupancy,... -
Federal
Assessment of water-quality in the California Sacramento-San Joaquin Delta during a North Delta directed flow action: August - October 2018 (ver. 2.0, September 2021)
Department of the Interior —
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... -
State
i06 Bathymetry Index
State of California —
This data set, (i06_Bathymetry_Index), is a polygon feature class that represents an index of bathymetric data collected by California Department of Water Resources... -
Federal
Topographic point cloud for the Liberty Island Conservation Bank Wildlands restoration site, Sacramento-San Joaquin Delta, California, 2018-10-23
Department of the Interior —
This portion of the data release presents a topographic point cloud of the Liberty Island Conservation Bank Wildlands restoration site in the Sacramento-San Joaquin... -
Federal
Water quality, nutrient, and phytoplankton data from Franks Tract, Mildred Island, and neighboring channels in the California Sacramento-San Joaquin Delta: 2022 and 2023 High-resolution mapping surveys
Department of the Interior —
Surface water quality, water isotope, and phytoplankton enumeration data were collected to evaluate the impact of an Emergency Drought Barrier (EDB) in False River in... -
Federal
Bivalve metrics in the North San Francisco Bay and Sacramento-San Joaquin Delta
Department of the Interior —
This data release contains eleven data tables and a data dictionary for the Department of Water Resources' and the Bureau of Reclamation’s Environmental Monitoring... -
Federal
Interagency Ecological Program and US Fish and Wildlife Service: San Francisco Estuary Enhanced Delta Smelt Monitoring Program data, 2016-2024
Department of the Interior —
The Enhanced Delta Smelt Monitoring Program (EDSM) was initiated by the U.S. Fish and Wildlife Service in 2016. The main purpose of EDSM is to provide information... -
Federal
Water-level, wind-wave, and suspended-sediment concentration (SSC) time-series data from Liberty Island (station LWA), Sacramento-San Joaquin Delta, California, 2015-2017
Department of the Interior —
Water depth and turbidity time-series data were collected in Little Holland Tract (LHT) from 2015 to 2017. Depth (from pressure) was measured in high-frequency (6 or... -
Federal
Suspended particle size distribution data from three locations in the Sacramento-San Joaquin Delta, California, 2017 to 2018
Department of the Interior —
These data present suspended particle size distributions collected by the U.S. Geological Survey (USGS) Pacific Coastal and Marine Science Center at three locations... -
Federal
Mercury concentration data for soil, surface water and rice grain from six commercial rice growing fields in the Sacramento Valley of California (USA)
Department of the Interior —
Mercury (Hg) is a well-known toxic element and environmental contaminant. The central valley of California has long been identified as a hotspot for Hg contamination...
119 datasets found