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大气科学  2005 

浑善达克沙地沙尘气溶胶的粒谱特征

DOI: 10.3878/j.issn.1006-9895.2005.01.17

Keywords: 浑善达克沙地沙尘气溶胶粒谱分布

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Abstract:

浑善达克沙地是我国主要沙尘气溶胶源地之一,但对其沙尘气溶胶特征一直缺乏研究.2001年4月末到5月初,在内蒙古浑善达克沙地利用PMSFssp-100型激光粒谱仪进行了大气气溶胶的外场观测,取得了晴天、扬沙和沙尘暴天气条件下沙尘粒子的数浓度采样资料,通过统计分析研究,总结出浑善达克沙地在不同天气条件下近地面沙尘气溶胶的粒谱分布规律.所得统计结果表明了与其他源地沙尘气溶胶的共同点、差异之处及其原因.这一结果也为沙尘气溶胶辐射气候效应的数值模拟提供了新的实测依据.

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