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Article: DROUGHTS AGGRAVATED BY DUST IN THE WIND FEDERAL DOCUMENT CLEARING HOUSE, INC.
- Article from:
- Regulatory Intelligence Data
- Article date:
- May 15, 2001
- Author:
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Windblown desert dust can choke rain clouds, cutting rainfall
hundreds
of miles away. This new discovery, made with the help of NASA satellites,
suggests that droughts over arid regions, such as central Africa,
are made
worse by damaging land and livestock management that expand the desert.
The findings, reported in the Proceedings of the National Academy
of
Sciences, present a new view of the decades-long drought in the African
Sahel, which has been accompanied by increasing levels of airborne
dust
during the rainy season.
The higher dust frequency is not necessarily a result of the
decreased
rainfall, but rather its cause, according to scientists from ...