Found 131 datasets matching "bedrock aquifer".
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Improvements to an existing regional groundwater-flow model of a 160-square mile area of coastal New Hampshire (https://doi.org/10.3133/sir20085222), incorporating MODFLOW-NWT and by more...
Search relevance: 155.47 | Views last month: 0 -
This geospatial data set consists of the bedrock formations of the High Plains aquifer, which underlies parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming.
Search relevance: 143.23 | Views last month: 0 -
This data release contains observed water-level recovery data in 52 wells, matched to theoretical type curves defined by postulated values of aquifer transmissivity and storage, that together...
Search relevance: 114.58 | Views last month: 3 -
This digital geospatial data set consists of structure contours on the base of the upper member of the Arapahoe aquifer. The U.S. Geological Survey developed this data set as part of a project...
Search relevance: 110.55 | Views last month: 0 -
This digital geospatial data set consists of structure contours of the top of the Laramie-Fox Hills aquifer along the Front Range of Colorado. The U.S. Geological Survey developed this data set...
Search relevance: 106.95 | Views last month: 0 -
In 2004, the U.S. Geological Survey initiated a large-scale regional study of the Denver Basin aquifer system to evaluate the hydrologic effects of continued pumping and document an updated...
Search relevance: 106.56 | Views last month: 0 -
We computed mean groundwater ages and age distributions at eight wells by calibrating lumped parameter models (LPMs) to concentrations of tracers (3H, CFCs, SF6) in samples using the computer...
Search relevance: 100.39 | Views last month: 1 -
A suite of geophysical methods was used along the Cedar River in Cedar Rapids, Iowa to support the hydrogeologic characterization of the alluvial aquifer associated with the river and to assess...
Search relevance: 89.10 | Views last month: 1 -
This data release consists of data (in four tables) for assessing the time scales of arsenic variability in three production wells in New Hampshire; tables that describe the data fields in the...
Search relevance: 84.78 | Views last month: 1 -
Digital hydrogeologic datasets were developed for the Ellicottville study area in upstate New York in cooperation with the New York State Department of Environmental Conservation. These datasets...
Search relevance: 83.65 | Views last month: 0 -
Digital hydrogeologic datasets were developed for the Cortland study area in upstate New York in cooperation with the New York State Department of Environmental Conservation. These datasets define...
Search relevance: 82.53 | Views last month: 0 -
Digital hydrogeologic datasets were developed for the Jamestown study area in upstate New York in cooperation with the New York State Department of Environmental Conservation. These datasets...
Search relevance: 81.05 | Views last month: 0 -
Digital hydrogeologic datasets were developed for the Greene study area in upstate New York in cooperation with the New York State Department of Environmental Conservation. These datasets define...
Search relevance: 80.68 | Views last month: 0 -
Digital hydrogeologic datasets were developed for the Rondout-Neversink study area in upstate New York in cooperation with the New York State Department of Environmental Conservation. These...
Search relevance: 80.67 | Views last month: 0 -
Digital hydrogeologic datasets were developed for the Cincinnatus study area in upstate New York in cooperation with the New York State Department of Environmental Conservation. These datasets...
Search relevance: 79.55 | Views last month: 0 -
The hydrogeologic framework for the Lake Michigan Basin model was developed by grouping the bedrock geology of the study area into hydrogeologic units on the basis of the functioning of each...
Search relevance: 78.56 | Views last month: 0 -
Digital hydrogeologic datasets were developed for the Fishkill and Wappinger Falls study area in upstate New York in cooperation with the New York State Department of Environmental Conservation....
Search relevance: 78.56 | Views last month: 4 -
Digital hydrogeologic datasets were developed for the Olean study area in upstate New York in cooperation with the New York State Department of Environmental Conservation. These datasets define...
Search relevance: 78.26 | Views last month: 0 -
This geospatial data set contains groundwater level contours, well locations, and associated metadata that characterize the potentiometric surface near the Rondout pressure-tunnel in High Falls,...
Search relevance: 72.10 | Views last month: 0 -
This digital data release contains geospatial geologic and paleontological data of the 1° x2 °, 1:250,000 Limon quadrangle covering eastern Colorado and western Kansas. The dataset is a digital...
Search relevance: 65.38 | Views last month: 0
