The Identification of Feathery Dunes

摘要: Chinese scholars are paying unprecedented attentions on feathery dunes in recent years their studies the Kumtagh Desert, but with widely divergent views dunes.This paper reviews dune classifications proposed by several authors.It is shown that a variation of compound linear ridge, which main ridge acts as "shaft" and subsidiary diverging from act "feathers".Comparing morphology feather reported other deserts around world Desert China, one may see so-called fact not real dunes, typical seif dunes.The "feathers" erroneously assumed remote sensing images patterns reflecting albedo contrast ground surface sediments.They related to relief inter-seif corridors.Feather developed complex wind regime under condition insufficient sand supply.That misconception held some should be corrected.