Eolian dust is an integral component of the Earth system dynamics,participating in a range of physical,chemical and biogeological processes of the Earth system at various temporal and spatial scales[1](Fig.1).Great advance has been achieved in recent years in understanding eolian dust cycles through instrumental investigations and numerical modeling as well as Eolian dust is an integral component of the Earth system dynamics, participating in a range of physical, chemical and biogeological processes of the Earth system at various temporal and spatial scales [1] (Fig.1) .Great advance has been achieved in recent years in understanding eolian dust cycles through instrumental investigations and numerical modeling as well as