Cirk
Cirk[1] u geomorfologiji podrazumijeva izvorišno područje ledenjaka. Cirkovi su u obliku amfiteatralnih udubljenja koja su nastala djelovanjem snijega i leda u kršu.
Snijeg, firn i led ispunjavaju cijelu dolinu i pod težinom svoje mase led se polukružno kreće stvarajući amfiteatralna udubljenja-cirkove. Iz cirkova se led spušta u niže dijelove doline. Snagom koju posjeduje led dubi i širi podlogu po kojoj se kreće i oblikuje ledničku dolinu-valov.
Uobičajeni nazivi za cirk još su i krnica te kar.
Reference
Vanjski linkovi
- https://www.sciencedirect.com/topics/earth-and-planetary-sciences/cirque
- https://onlinelibrary.wiley.com/doi/abs/10.1002/esp.4810
- https://www.mdpi.com/2076-3263/8/7/270
- https://e-space.mmu.ac.uk/619051/1/Barr%20and%20Spagnolo%20%25282015%2529%20%281%29.pdf
- https://pubs.usgs.gov/of/2004/1216/text.html
Nedovršeni članak Cirk koji govori o geologiji treba dopuniti. Dopunite ga prema pravilima Wikipedije.
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