世界气象组织：2018年世界气象组织空中尘埃公告（英文版）

Sand and Dust Storms (SDS) create multiple environmental risks in arid and semi-arid regions of the planet. They occur when strong or very turbulent winds blow over dry, unvegetated soils and lift loose particles from the Earth’s surface to the atmosphere. The main factors that drive variations in SDS frequency are the drastic changes in annual rainfall and temperature and unsustainable land management and water use. Over the last decades, the social interest in and the eagerness of the resea