Journal
ENVIRONMENTAL RESEARCH LETTERS
Volume 9, Issue 9, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1748-9326/9/9/091002
Keywords
subsidence; groundwater; coastal
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Subsurface fluid-pressure declines caused by pumping of groundwater or hydrocarbons can lead to aquifer-system compaction and consequent land subsidence. This subsidence can be rapid, as much as 30 cm per year in some instances, and large, totaling more than 13 m in extreme examples. Thus anthropogenic subsidence may be the dominant contributor to relative sea-level rise in coastal environments where subsurface fluids are heavily exploited. Maximum observed rates of human-induced subsidence greatly exceed the rates of natural subsidence of unconsolidated sediments (similar to 0.1-1 cm yr(-1)) and the estimated rates of ongoing global sea-level rise (similar to 0.3 cm yr(-1)).
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