Land Subsidence from Groundwater Use in California

Land Subsidence from Groundwater Use in California by Ludhorff and Scalmanini (April 2014).  This report confirms that land subsidence in California is not just a historical occurrence, but is an ongoing problem in many regions.  The report presents key examples of significant historical subsidence and current active occurrences of subsidence, including the impacts and costs.  The Yolo County GPS and Extensometer Subsidence Network efforts are briefly discussed in the report.