Evaluation of Land Subsidence Impacts Due to Groundwater Pumping

Project ID: 3117
Principal Investigator: Kirk Nelson
Research Topic: Water Operation Models and Decision Support Systems
Funded Fiscal Years: 2015 and 2017
Keywords: None

Research Question

How does modeling the land subsidence/groundwater pumping relationship support managing land subsidence risk?

Need and Benefit

There are four types of subsidence occurring in the San Joaquin Valley: (1) subsidence caused by groundwater overdraft and the associated water-level declines; (2) subsidence related to the hydrocompaction of moisture-deficient deposits above the water table; (3) subsidence related to fluid withdrawal from oil and gas fields; (4) subsidence caused by deep-seated tectonic movements; of these groundwater overdraft caused by pumping is the leading cause (Ireland et al., 1984). Thus, understanding and being able to model the land subsidence/groundwater pumping relationship is of prime importance in managing the land subsidence risk, especially in the context of water management decisions in the San Joaquin Valley.

Contributing Partners

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Last Updated: 6/22/20