Some Advances in Dust Storm over China‐Mongolia Areas

摘要: To give a up-to-date review of the present status dust storm (hereafter DS) researches over China-Mongolia Areas (CMA), first, three stages China DS in last 20 years are reviewed, then main advances aerosol observations, climatology, circulation patterns outbreak and transport, activity changes past five decades their causes, as well some problems to be solved presented this paper. It shows that: (1) The CMA originates mainly from both Northwest (NWC) South-and NW-Mongolia areas. With intensifying dusty weathers, surface total suspended particulates (TSP) will increase geometric series at rate triples. (2) There exist seven high frequence regions CMA, they Tarim Basin, Gansu Corridor, Mid- West-Inner Mongolia, Hunshandake sand region Dalanzadgad Zamin Uud Mongolia. Most events occur between 13:00 20:00 Beijing Time (BT) springs. (3) briefly two kinds i.e., low pressure plus cold front, front meso-scale system. Certainly, combinations different lows fronts for east-, mid- west- regimes CMA. former makes up most them; latter, few percent only, but is one important disaster weathers forecast. transport downwind depends on lower-levels. (4) In activities whole changed wavy way, first gradually increased 1950's 1970's, got its peak frequency 1970's; decreased 1980's 1990's; still suddenly 2000~2002 abruptly 2003~2005. Also each regime little different. factors which cause interdecadal may relate East Asia atmospheric circulation, not desertification condition. (5) Finally aspects need further study given.