subsidence

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  • Age Determination of the Remaining Peat in the Sacramento–San Joaquin Delta, California, USA

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    Age Determination of the Remaining Peat in the Sacramento–San Joaquin Delta, California, USA

    U.S. Geological Survey (USGS) | October 9, 2007...
    Summary

    The Sacramento–San Joaquin Delta of California was once a 1,400 square kilometer (km2) tidal marsh, which contained a vast layer of peat ranging...

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  • Analysis and simulation of regional subsidence accompanying groundwater abstraction and compaction of susceptible aquifer systems in the USA

    Analysis and simulation of regional subsidence accompanying groundwater abstraction and compaction of susceptible aquifer systems in the USA

    Boletín de la Sociedad Geológica Mexicana | January 17, 2013...
    Summary

     Regional aquifer-system compaction and land subsidence accompanying groundwater abstraction in susceptible aquifer systems in the USA is a challenge for managing groundwater resources...

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  • California Aqueduct Subsidence Study

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    California Aqueduct Subsidence Study

    California Department of Water Resources (DWR) | June 1, 2017...
    Summary

    In 2006, the San Luis Field Division of the California Department of Water Resources' Division of Operations and Maintenance (O&M) began to see...

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  • Delta Levees – Types, Uses, and Policy Options

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    Delta Levees – Types, Uses, and Policy Options

    Delta Vision | August 7, 2008...
    Summary

    This document was developed to support Delta Vision discussions on the role of levees in the Delta’s future. It is to clarify the...

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  • Delta Subsidence in California: The sinking heart of the state

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    Delta Subsidence in California: The sinking heart of the state

    U.S. Geological Survey (USGS) | April 8, 2000...
    Summary

    The Sacramento-San Joaquin River Delta of California once was a great tidal freshwater marsh blanketed by peat and peaty alluvium. Beginning in the...

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  • Detection and Measurement of Land Subsidence Using Global Positioning System Surveying and Interferometric Synthetic Aperture Radar, Coachella Valley, California, 1996–2005

    Detection and Measurement of Land Subsidence Using Global Positioning System Surveying and Interferometric Synthetic Aperture Radar, Coachella Valley, California, 1996–2005

    U.S. Geological Survey (USGS), Coachella Valley Water District | June 13, 2013...
    Summary

    Land subsidence associated with ground-water-level declines has been investigated by the U.S. Geological Survey in the Coachella Valley, California, since 1996. Groundwater has...

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  • Detection of aquifer system compaction and land subsidence using interferometric synthetic aperture radar, Antelope Valley, Mojave Desert, California

    Detection of aquifer system compaction and land subsidence using interferometric synthetic aperture radar, Antelope Valley, Mojave Desert, California

    U.S. Geological Survey (USGS) | April 15, 1998...
    Summary

    Interferometric synthetic aperture radar (InSAR) has great potential to detect and quantify land subsidence caused by aquifer system compaction. InSAR maps with high...

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  • Effects of ferric sulfate and polyaluminum chloride coagulation enhanced treatment wetlands on Typha growth, soil and water chemistry

    Effects of ferric sulfate and polyaluminum chloride coagulation enhanced treatment wetlands on Typha growth, soil and water chemistry

    Science of the Total Environment, Elsevier | January 15, 2019...
    Summary

    Land surface subsidence is a concern in many deltas worldwide as it contributes to water quality degradation, loss of fertile land and increased...

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  • Evaluation of Land Subsidence and Ground Failures at Bicycle Basin, Fort Irwin National Training Center, California, 1992–2017

    Evaluation of Land Subsidence and Ground Failures at Bicycle Basin, Fort Irwin National Training Center, California, 1992–2017

    U.S. Geological Survey (USGS), U.S. Army Fort Irwin National Training Center | January 1, 1970...
    Summary

    Groundwater has been pumped in the Bicycle Basin at Fort Irwin National Training Center since the 1960s, and the amount pumped has generally...

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  • Factors and Processes Affecting Delta Levee System Vulnerability

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    Factors and Processes Affecting Delta Levee System Vulnerability

    San Francisco Estuary and Watershed Science | December 1, 2016...
    Summary

    The authors appraised factors and processes related to human activities and high water, subsidence, and seismicity. Farming and drainage of peat soils over...

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