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Subsidence

en.wikipedia.org/wiki/Subsidence

Subsidence is the motion of a surface (usually, the Earth's surface) as it shifts downward ... In this way, land subsidence has the potential of becoming self- perpetuating, having rates up to 5 ...

Land subsidence, USGS Water Science School

water.usgs.gov/edu/earthgwlandsubside.html

Aug 20, 2015 ... Land subsidence and relation to withdrawals of groundwater, from the USGS Water Science School.

Land Subsidence From Ground-Water Pumping

geochange.er.usgs.gov/sw/changes/anthropogenic/subside/

Land subsidence is the lowering of the land-surface elevation from changes that take place underground. Common causes of land subsidence from human ...

Land Subsidence - Arkansas Geological Survey

www.geology.ar.gov/geohazards/landsubsidence.htm

Land subsidence is defined as the lowering of the land surface. Many different factors can cause the land surface to subside. Subsidence can occur rapidly due  ...

Land Subsidence - Water Education Foundation

www.watereducation.org/aquapedia/land-subsidence

Land subsidence is the lowering of the land-surface elevation due to changes that take place underground. Throughout California, subsidence has damaged ...

land subsidence - California Department of Water Resources

www.water.ca.gov/groundwater/docs/WhatIsLandSubsidence.pdf

Allan Fulton1 , in cooperation with the California Department of Water Resources, Northern Region, Groundwater Section2. LAND SUBSIDENCE - WHAT IS IT ...

The Earth is Falling! – Land Subsidence and Water Management in ...

californiawaterblog.com/2015/12/27/the-earth-is-falling-land-subsidence-and-water-management-in-california/

Dec 27, 2015 ... Most land subsidence occurs the first time groundwater is drawn down to a new level. Compaction occurs as water flows from clays in the ...

Land Subsidence In Arizona - Arizona Department of Water Resources

www.azwater.gov/AzDWR/Hydrology/Geophysics/LandSubsidenceInArizona.htm

May 20, 2016 ... The Arizona Department of Water Resources has been collecting and processing InSAR data since 2002 to monitor land subsidence ...

Santa Clara Valley Land Subsidence

explore.museumca.org/creeks/z-subsidence.html

Only through extensive groundwater recharge has land subsidence been curtailed. Groundwater Abundance Flanked by mountains on either side, the Santa ...

Land Subsidence from Groundwater Use in California

waterfoundation.net/wp-content/uploads/PDF/1397858208-SUBSIDENCEFULLREPORT_FINAL.pdf

Apr 4, 2014 ... Full Report of Findings / April 2014. Land Subsidence from Groundwater Use in California. James W. Borchers • Michael Carpenter.

More Info

USGS Groundwater Information: Land Subsidence

water.usgs.gov

Land subsidence is a gradual settling or sudden sinking of the Earth's surface owing to subsurface movement of earth materials. Subsidence is a global problem ...

Causes & Effects of Land Subsidence | USGS California Water ...

ca.water.usgs.gov

Jun 29, 2016 ... Land subsidence—the loss of surface elevation due to removal of subsurface support—occurs in nearly every state in the United States.

land subsidence and earth fissures in arizona - The Arizona ...

www.azgs.az.gov

The Arizona Land Subsidence Group (ALSG) was originally created by interested ... Land subsidence and earth fissures have been part of the landscape of ...