| 一次沙尘暴过程中沙尘气溶胶对云物理量和辐射强迫的影响 |
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| 引用本文： | 王玉洁,黄建平,王天河.一次沙尘暴过程中沙尘气溶胶对云物理量和辐射强迫的影响[J].甘肃气象,2006,24(3):14-18. |
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| 作者姓名： | 王玉洁 黄建平 王天河 |
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| 作者单位： | 兰州大学大气科学学院，兰州大学大气科学学院，兰州大学大气科学学院 甘肃兰州730000，甘肃省专业气象台，甘肃兰州730020，甘肃兰州730000，甘肃兰州730000 |
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| 摘 要： | 利用MOD IS Aqua卫星反演和装载在Aqua上的CERES仪器观测资料,讨论了我国北方地区2004年3月26~28日沙尘暴过程中沙尘气溶胶对云物理特性和辐射强迫的影响。初步结果表明,沙尘气溶胶明显改变了云的物理特性,使云滴变小,含水量及光学厚度减少,减弱了云的净辐射强迫,云的冷却效应受到了抑制,相当于大气层顶沙尘气溶胶的增温作用。
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| 关 键 词： | 沙尘气溶胶 MODIS Aqua卫星 CERES 云物理特性和辐射强迫 |
| 文章编号： | 1006-7639（2006）-03-0014-05 |
| 收稿时间： | 2006-07-20 |
| 修稿时间： | 2006-07-202006-08-11 |
Forcing in a Sandstorm Weather Process |
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| WANG Yu-jie,HUANG Jian-ping,WANG Tian-he.Forcing in a Sandstorm Weather Process[J].Gansu Meteorology,2006,24(3):14-18. |
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| Authors: | WANG Yu-jie HUANG Jian-ping WANG Tian-he |
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| Institution: | 1. College of Atmospheric Sciences, Lanzhou University, Lanzhou 730000, China; 2. Professional Meteorologieal Observatory of Gansu Provinee, Lamhou 730020, China |
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| Abstract: | This paper analyzed the influences of dust aerosols on cloud properties and TOA radiative forcing in the process of the dust storm for the period of March 26 to 28,2004 over Northwest China,using data collected by MODIS(Moderate Resolution Imaging Spectroradiometer) and CERES(Clouds and the Earth's Radiant Energy Budget Scanner) instruments on the Aqua satellite.These dust aerosols decrease the ice diameter,optical depth and ice water path of clouds.Thus,the TOA net radiative forcing of clouds is reduced.This means that the cooling effect of clouds is restrained. |
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| Keywords: | dust aerosols MODIS Aqua satellite CERES cloud properties and radiative forcing |
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