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Spatial data set of mapped water-level changes in the High Plains aquifer, predevelopment (about 1950) to 2017 and 2015 to 2017 Spatial data set of mapped water-level changes in the High Plains aquifer, predevelopment (about 1950) to 2017 and 2015 to 2017
The High Plains aquifer underlies 111.8 million acres (about 175,000 square miles) in parts of eight States—Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming. Water-level declines began in parts of the High Plains aquifer soon after the beginning of substantial irrigation with groundwater in the aquifer area (about 1950). This data release contains the...
Thickness of the Chicot aquifer system of southwestern Louisiana's surficial confining unit and shallow sand lenses Thickness of the Chicot aquifer system of southwestern Louisiana's surficial confining unit and shallow sand lenses
The Chicot aquifer system is a vital water resource for Southwestern Louisiana, providing nearly half of the fresh groundwater the region consumes (Sargent, 2011). The aquifer’s surficial confining unit consists of a wedge-shaped thickening sequence of south to southeastern dipping, interbedded clays and coarser material (primarily sand and gravel). In collaboration with the Louisiana...
HASP HASP
The Hydrologic Analysis Package (HASP) can retrieve groundwater level and groundwater quality data, aggregate these data, plot them, and generate basic statistics. One of the benefits of HASP is its ability to aggregate two time-series of data into one record and generate statistics and graphics on hat record. By merging two data sets together, users can view and manipulate a much longer...
Preliminary model data for lake level gate operation and discharge at Reelfoot Lake - Tennessee and Kentucky Preliminary model data for lake level gate operation and discharge at Reelfoot Lake - Tennessee and Kentucky
Reelfoot Lake, in northwestern Tennessee and southwestern Kentucky, is home to a Federal wildlife refuge, a State wildlife-management area, and to a tourism industry that is based on hunting, fishing, birding, and the area’s unique cultural history. In 2012, the U.S. Geological Survey, in cooperation with the Tennessee Wildlife Resources Agency, began a series of hydrologic...
Coastal Bathymetry and Backscatter Data Collected in June 2021 from Rockaway Peninsula, New York Coastal Bathymetry and Backscatter Data Collected in June 2021 from Rockaway Peninsula, New York
Scientists from the U.S. Geological Survey St. Petersburg Coastal and Marine Science Center in St. Petersburg, Florida (USGS-SPCSMC), conducted a geophysical survey nearshore the Rockaway Peninsula, New York, during June 2021. During this study, multibeam bathymetry and acoustic backscatter data were collected aboard the R/V Sallenger. Efforts were supported by the National Fish and...
Datasets for Rapid Assessment of Streambank Erosion Potential for Selected Streams throughout the Greater Raleigh Area, North Carolina, 2022 Datasets for Rapid Assessment of Streambank Erosion Potential for Selected Streams throughout the Greater Raleigh Area, North Carolina, 2022
As part of a collaborative study with the City of Raleigh, North Carolina, the U.S. Geological Survey is assessing streambank erosion potential in selected stream reaches throughout the Greater Raleigh metropolitan area. Rapid field measurement techniques were used to assess streambank stability at 124 stream segments between January and March 2022. Field data were collected using the...