Sinkhole

Sinkhole

A occurring geological condition in which an opening on the soil surface leads directly down through the subsurface structure to an underground water supply. Sinkholes are commonly associated with a karst limestone subsurface structure and are a potential source of direct contamination of groundwater aquifers.

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Part of Speech: noun
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Industry/Domain: Agriculture
Category: Agricultural programs & laws
Company: USDA
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Related terms

sinkhole

Natural environment; Coral reefs

A depression formed in an area either by dissolving of the surface limestone or by collapse of underlying cavities.

sinkhole

Weather; Meteorology

1. A natural depression or cavity in a land surface, generally occurring in limestone regions and formed by solution or by collapse of a cavern roof. 2. Popularly, a sudden ...

sinkhole

Earth science; Soil science

A closed depression formed either by solution of the surficial bedrock (e.g., limestone, gypsum, or salt) or by collapse of underlying caves. Complexes of sinkholes in ...

sinkhole

Geography; Physical geography

See swallow hole.

sinkhole

Agriculture; Agricultural programs & laws

A occurring geological condition in which an opening on the soil surface leads directly down through the subsurface structure to an underground water supply. Sinkholes are ...

sinkholes

Earth science; Geology

A circular depression in a karst area. Its drainage is subterranean, its size is measured in meters to tens of meters, and it is commonly funnel shaped.