SCIENCE|natural and applied sciences|earth sciences
- carstghleann Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
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- slogaide ghleanna Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
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- úbhal Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
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- poll slogaide neadaithe Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
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- gleann tuaslagtha Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
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- karst valley | nested sinkholes | solution valley | uvala
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- Definition closed depression formed by the coalescence of several sinkholes Reference Bates-Jackson, Glossary of Geology, 1987, American Geological Institute
- Comment Its drainage is subsurface, its size is measured in hundreds of metres to a few kilometres; usually with an irregular floor and a scalloped margin inherited from the sinkholes.