Possible influences of Asian dust aerosols on cloud properties and radiative forcing observed from MODIS and CERES

Geophysical Research Letters - Tập 33 Số 6 - 2006
Jianping Huang1, Patrick Minnis2, Bing Lin2, Tianhe Wang1, Yuhong Yi3, Yongxiang Hu2, Sunny Sun‐Mack4, Kirk Ayers3
1College of Atmospheric Sciences, Lanzhou University, Lanzhou, China
2NASA, Langley Research Center, Hampton, Virginia, USA
3Analytical Services & Materials, Inc. Hampton Virginia USA
4Science Applications International Corporation, Hampton, Virginia, USA

Tóm tắt

The effects of dust storms on cloud properties and Radiative Forcing (RF) are analyzed over Northwestern China from April 2001 to June 2004 using data collected by the MODerate Resolution Imaging Spectroradiometer (MODIS) and Clouds and the Earth's Radiant Energy System (CERES) instruments on the Aqua and Terra satellites. On average, ice cloud effective particle diameter, optical depth and ice water path of cirrus clouds under dust polluted conditions are 11%, 32.8%, and 42% less, respectively, than those derived from ice clouds in dust‐free atmospheric environments. Due to changes in cloud microphysics, the instantaneous net RF is increased from −161.6 W/m2 for dust‐free clouds to −118.6 W/m2 for dust‐contaminated clouds.

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Geophysical Research Letters

Tập 33 Số 6

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