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  • Groundwater depletion in the United States (1900-2008)

    Metadata Updated: October 15, 2015

    A natural consequence of groundwater withdrawals is the removal of water from subsurface storage, but the overall rates and magnitude of groundwater depletion in the United States are not well characterized. This study evaluates long-term cumulative depletion volumes in 40 separate aquifers or areas and one land use category in the United States, bringing together information from the literature and from new analyses. Depletion is directly calculated using calibrated groundwater models, analytical approaches, or volumetric budget analyses for multiple aquifer systems. Estimated groundwater depletion in the United States during 1900–2008 totals approximately 1,000 cubic kilometers (km3). Furthermore, the rate of groundwater depletion has increased markedly since about 1950, with maximum rates occurring during the most recent period (2000–2008) when the depletion rate averaged almost 25 km3 per year (compared to 9.2 km3 per year averaged over the 1900–2008 timeframe).

    Access & Use Information

    License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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    Dates

    Metadata Date October 25, 2014
    Metadata Created Date November 25, 2014
    Metadata Updated Date October 15, 2015
    Reference Date(s) January 1, 2014 (publication)
    Frequency Of Update notPlanned

    Metadata Source

    Harvested from Water NSDI Node Spatial Datasets

    Graphic Preview

    Graphic representation of the data

    Additional Metadata

    Resource Type Dataset
    Metadata Date October 25, 2014
    Metadata Created Date November 25, 2014
    Metadata Updated Date October 15, 2015
    Reference Date(s) January 1, 2014 (publication)
    Responsible Party U.S. Geological Survey (Point of Contact)
    Contact Email
    Access Constraints Use Constraints: Acknowledgment of the U.S. Geological Survey would be appreciated in products derived from these data., Access Constraints: None
    Bbox East Long -69.314610
    Bbox North Lat 50.270824
    Bbox South Lat 9.892838
    Bbox West Long -165.165084
    Coupled Resource
    Frequency Of Update notPlanned
    Graphic Preview Description Graphic representation of the data
    Graphic Preview File http://water.usgs.gov/GIS/browse/sir2013-5079_groundwater_depletion.jpg
    Graphic Preview Type jpg
    Guid
    Harvest Object Id 0ddc8ee8-1190-4226-88dc-359863121cdd
    Harvest Source Id e11eb0c1-b794-4812-9369-1bd7306336cd
    Harvest Source Title Water NSDI Node Spatial Datasets
    Licence Although these data have been used by the U.S. Geological Survey, U.S. Department of the Interior, no warranty expressed or implied is made by the U.S. Geological Survey as to the accuracy of the data. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the U.S. Geological Survey in the use of this data, software, or related materials.
    Metadata Language
    Metadata Type geospatial
    Progress completed
    Spatial Data Service Type
    Spatial Reference System
    Spatial Harvester True
    Temporal Extent Begin 1900-01-01
    Temporal Extent End 2008-01-01

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