File:Aquifer multilang.svg

Description
English: A diagram showing the relation between confined and unconfined aquifers; figure 5 from USGS circular 1186; https://pubs.usgs.gov/circ/circ1186/html/gen_facts.html.

The regions in the figure correspond to:

  • light blue zones are aquifers,
  • darker blue hatched zone is an aquitard,
  • light brown (tan) section is the vadose zone (unsaturated zone), and
  • dark brown area is "impermeable" bedrock (an aquiclude).
Date
Source Transferred from en.wikipedia to Commons by Zscout370 using CommonsHelper.
Author U.S. Geological Survey
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Licensing

Public domain
This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.

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