semi-open depression


semi-open depression
   A topographically enclosed basin that generally functions as a closed depression and lacks a defined exit channel. Surface water loss may occur via overland flow through a topographic low area or gap in response to large storm events. Semi-open depressions commonly contain small lakes, ponds, or wet meadows dominated by hydric soils (e.g., in karst valleys, or in low areas on marine terraces with < 1 % slopes).
   SW

Glossary of landform and geologic terms. 2013.

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