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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,...
Search relevance: 172.67 | Views last month: 5 | Catalog Last Checked: August 01, 2026 at 05:52 AM -
The U.S. Geological Survey collected groundwater samples from 67 domestic wells and 1 spring used for domestic supply in Placer, El Dorado, Amador, and Calaveras Counties, California in 2016-2017....
Search relevance: 125.00 | Views last month: 11 | Catalog Last Checked: August 01, 2026 at 05:31 AM -
The U.S. Geological Survey collected groundwater samples from 67 wells and 1 spring used for domestic and small system drinking water supplies in Placer, El Dorado, Amador, and Calaveras Counties,...
Search relevance: 122.55 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 03:56 AM -
The U.S. Geological Survey collected groundwater samples from 67 wells and 1 spring used for domestic and small system drinking water supplies in Placer, El Dorado, Amador, and Calaveras Counties,...
Search relevance: 112.57 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 03:02 AM -
Model archive summary (MAS) describing the development of a continuous 15-minute suspended-sediment concentration (SSC) time series regression model for the site: North Mokelumne River near Walnut...
Search relevance: 109.75 | Views last month: 0 | Catalog Last Checked: August 01, 2026 at 03:21 AM -
Model archive summary (MAS) describing the development of a continuous 15-minute suspended-sediment concentration (SSC) time series regression model for the site: South Mokelumne River at New Hope...
Search relevance: 105.02 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 05:10 AM -
The study is comprised of daily survey data consisting of high resolution mapping and discrete sample collection of nutrients, phytoplankton, and related water quality constituents conducted in...
Search relevance: 88.89 | Views last month: 5 | Catalog Last Checked: August 01, 2026 at 06:19 AM -
This data release contains data from cores collected in marshes and in sediments under invasive Brazilian waterweed (Egeria densa Planchon) in the Sacramento-San Joaquin Delta of California during...
Search relevance: 87.92 | Views last month: 11 | Catalog Last Checked: August 01, 2026 at 05:05 AM -
Model archive summary (MAS) describing the development of a continuous 15-minute suspended-sediment concentration (SSC) time series regression model for the Mokulemne River at Andrus Island near...
Search relevance: 87.82 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 05:00 AM -
Vegetation type and density data were collected by the U.S. Geological Survey (USGS) Pacific Coastal and Marine Science Center at three locations in the Sacramento-San Joaquin Delta. Data were...
Search relevance: 85.65 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 03:57 AM -
This part of the data release contains high-resolution swath bathymetry data collected by the U.S. Geological Survey (USGS) Pacific Coastal and Marine Science Center at three locations in the...
Search relevance: 83.49 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 06:05 AM -
This part of the data release contains high-resolution acoustic-backscatter data collected by the U.S. Geological Survey (USGS) Pacific Coastal and Marine Science Center at three study locations...
Search relevance: 82.01 | Views last month: 5 | Catalog Last Checked: August 01, 2026 at 04:04 AM -
Bed sediment samples were collected in Lindsey Slough in April 2017, and Middle River and the Mokelumne River in March 2018, to analyze for sediment properties, including bulk density, particle...
Search relevance: 78.81 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 05:49 AM -
Hydrodynamic and sediment transport time-series data, including water depth, velocity, turbidity, conductivity, and temperature, were collected by the U.S. Geological Survey (USGS) Pacific Coastal...
Search relevance: 76.29 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 04:20 AM -
These data present suspended particle size distributions collected by the U.S. Geological Survey (USGS) Pacific Coastal and Marine Science Center at three locations in the Sacramento-San Joaquin...
Search relevance: 75.79 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 04:59 AM -
This data release documents 155 sets of dissolved noble gas analyses (neon, argon, krypton, xenon) and 153 modeled recharge temperatures for groundwater sampled from domestic water supply wells...
Search relevance: 68.87 | Views last month: 6 | Catalog Last Checked: August 01, 2026 at 05:30 AM -
The acoustic Doppler current meter (ADCP) used in this study outputs binary data files containing measurement scheme, location, time, velocity, backscatter, boat heading, depth, and other...
Search relevance: 56.90 | Views last month: 0 | Catalog Last Checked: August 01, 2026 at 05:43 AM -
The goal of this study was to develop a suite of inter-related water quality monitoring approaches capable of modeling and estimating the spatial and temporal gradients of particulate and...
Search relevance: 29.14 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 04:02 AM -
The Central Valley Angler Survey, or CVAS, monitors sport fisheries in the Sacramento River system, from the Carquinez Strait to Keswick Dam near Redding, and on the lower Mokelumne, Yuba,...
Search relevance: 28.73 | Views last month: 0 | Catalog Last Checked: July 31, 2026 at 08:50 PM -
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation and to provide...
Search relevance: 24.86 | Views last month: 0 | Catalog Last Checked: August 03, 2026 at 08:48 AM
