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Groundwater mining caused 3,000 square miles of subsidence in Arizona

More than 3,000 square miles of Arizona has subsided, due to groundwater pumping, including an area of 100 square miles in Pinal County between Phoenix and Tucson that sank 7 feet between 1952 and 1977, according to testimony by Arizona water chief Herb Guenther in testimony last week.Herb raised concerns that the 100 year assured supplies of water are based on allowing groundwater mining
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Updated Arizona subsidence maps and new interactive viewer now online

Academics / Geology : Arizona Geology

Brian Conway at the Arizona Dept. of Water Resources has updated the majority of the land subsidence maps on ADWR’s website using InSAR data through April 2013. You can view the list of land subsidence areas at this link: http://www...

Updated land subsidence maps for Arizona posted online

Academics / Geology : Arizona Geology

Brian Conway reports that the Arizona Dept. of Water Resources has updated their land subsidence maps, using interferometry (InSAR) data acquired through May, 2011. The subsidence is principally the result of pumping of ground water...

Arizona land subsidence report - 163 maps available online

Academics / Geology : Arizona Geology

The Arizona Department of Water Resources has released the first Land Subsidence Monitoring Report (Right. Yellow areas define subsidence monitoring areas. Credit, ADWR) The Executive Summary explains:In 1997, the Arizona Department...

Monitoring Land Subsidence in Arizona Due to Excessive Groundwater Withdrawal Using Interferometric Synthetic Aperture Radar (InSAR) Data

Academics / Geology : Arizona Geology

Arizona's land subsidence program was described in a technical presentation at the American Geophysical Union Fall Meeting in San Francisco, by Brian Conway, from AZ Dept. of Water Resources. The conference drew a record attendance ...

New East Valley land subsidence area identified

Academics / Geology : Arizona Geology

This news is a little bit old but has not been widely circulated.Brian Conway at the the Arizona Dept. of Water Resources announced the identification of the new East Valley land subsidence feature at the Phoenix AMA Groundwater Use...

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