USGS Fact Sheet 2007-3003
(Published April 2007)
This report is available in PDF format (two versions). On a PC, right-click on the PDF link and select "Save As..."; on a Mac, control-click the link and select "Save As...". Low resolution (723 KB) | High resolution (4.6 MB)
The U.S. Geological Survey serves the Nation by providing reliable hydrologic information used by others to manage the Nation's water resources.
The U.S. Geological Survey (USGS) measures more than 20,000 wells each year for a variety of objectives as part of Federal programs and in cooperation with State and local agencies. Water-level data are collected using consistent data-collection and quality-control methods. A small subset of these wells meets the criteria necessary to be included in a "Climate Response Network" of wells designed to illustrate the response of the ground-water system to climate variations nationwide.
The primary purpose of the Climate Response Network is to portray the effect of climate on ground-water levels in unconfined aquifers or near-surface confined aquifers that are minimally affected by pumping or other anthropogenic stresses. The Climate Response Network Web site (http://groundwaterwatch.usgs.gov/) is the official USGS Web site for illustrating current ground-water conditions in the United States and Puerto Rico.
The Climate Response Network Web pages provide information on ground-water conditions at a variety of scales. A national map provides a broad overview of water-table conditions across the Nation. State maps provide a more local picture of ground-water conditions. Site pages provide the details about a specific well.
This report is available in PDF format (two versions). On a PC, right click on the PDF link and select "Save Link As..."; on a Mac, control click the link and select "Save Link Target As...". Low resolution (723 KB) | High resolution (4.6 MB)
U.S. Department of the Interior |
U.S. Geological Survey
URL: https://pubsdata.usgs.gov/pubs/fs/2007/3003/index.html
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