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Glossary of Karst and Cave Terms
Based on "A Lexicon of Cave and Karst Terminology with Special to Environmental Karst Hydrology" EPA/600/R-02/003, 2002, EPA: Washington, DC., Speleogenesis Glossary includes 2699 cave & karst terms
The subsidence of a surface due to a loss of support . Often occurs as a result of over pumping underlying aquifers or as a result of mining activities. In karst terranes, subsidence can occur as a result of manmade changes to the natural hydrologic system (ground-water withdrawals or storm-water injection) or as a consequence of the natural dissolution process. Subsidences may be sudden or progress slowly over time.