Ruwan sama

Rainwash, wanda kuma ake kira Ruwan sama-wash ko Ruwan sama wanke ko kuma wani lokacin ana kiransa hillwash, tsari ne na rushewa wanke Ruwan sama ya kai saman, amma bai riga ya zama mai da hankali ga rafi ba. Ana kuma amfani da kalmar ga motsi a ƙarƙashin ƙarfin nauyi na kayan da ruwan sama ya saki, ko kuma kayan da kansa.Jackson, Julia A., ed. (1997). "rainwash". Glossary of geology (Fourth ed.). Alexandria, Virginia: American Geological Institute. ISBN 0922152349.

Ana ɗaukar rainwash a wasu lokuta a matsayin haɗuwa da matakai biyu: Ruwan sama-splash, wanda shine raguwa da motsi na ƙananan ƙwayoyin ƙasa daga tasirin ruwan sama, da wanke ƙasa, wanda ake motsa kayan ta hanyar ruwa.Allaby, Michael (2013). "rain-wash". A dictionary of geology and earth sciences (Fourth ed.). Oxford: Oxford University Press. ISBN 9780199653065.

 Manazarta