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基于CALIPSO和转动拉曼-米散射激光雷达研究北京地区大气气溶胶特性

Keywords: 大气光学,转动拉曼-米散射激光雷达,星载激光雷达,气溶胶

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Abstract:

为提高大气气溶胶参数反演结果的准确性,结合实验室研制的转动拉曼-米散射激光雷达和NASA的CALIPSO,仅用2个激光雷达的弹性后向散射信号,无需对激光雷达比进行假设,反演出了2012年春季北京上空晴天、雨后、阴霾天气的气溶胶光学参数的垂直分布.结果表明:此方法可有效地获取气溶胶消光系数和后向散射系数的垂直分布;气溶胶的消光系数值在阴霾天气最高,晴天次之,雨后最低.

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