Recent frequent dust events and their relation to surface wind in East Asia

Details Recent frequent dust events and their relation to surface wind in East Asia Recent frequent dust events and their relation to surface wind in East Asia

Jul 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003georl..30nasc2k&link_type=abstract

Geophysical Research Letters, Volume 30, Issue 14, pp. ASC 2-1, CiteID 1736, DOI 10.1029/2003GL017261

Physics

34

Atmospheric Composition And Structure: Aerosols And Particles (0345, 4801), Meteorology And Atmospheric Dynamics: Climatology (1620), Meteorology And Atmospheric Dynamics: Boundary Layer Processes, Meteorology And Atmospheric Dynamics: Land/Atmosphere Interactions, Information Related To Geographic Region: Asia

Scientific paper

A remarkable increase in dust outbreaks has occurred in the eastern part of the Asian Continent over the last three years (2000-2002) compared with the previous seven years (1993-1999). This finding corresponds well with the annual change of Kosa (i.e., yellow sand) events for the same period in Japan. Dust outbreaks occurred in limited regions around southern Mongolia, the Badain Jaran Desert, and the western Loess Plateau from 1993-1999. However, the area of frequent dust outbreaks expanded extensively to the east, and dust outbreaks also frequently occurred in regions around the North China Plain, northeastern China, and the Korean Peninsula in 2000-2002. Good correspondence was found between the surface wind and dust outbreaks in year-to-year variations and in spatial distributions. This indicates that frequent strong winds are the primary cause of the recurrent dust outbreaks in the last three years.

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