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首页> 外文会议>Remote Sensing of Clouds and the Atmosphere XII; Proceedings of SPIE-The International Society for Optical Engineering; vol.6745 >Evaluation of Air Quality from Space
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Evaluation of Air Quality from Space

机译：从太空评估空气质量

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摘要

The relationship between concentration of suspended particulate matter (PM_(2.5)) and column aerosol optical thickness (AOT) is examined based on the simultaneous measurements at a NASA/AERONET station at Kinki University Campus, Higashi-Osaka, Japan since March in 2004. We drew the following results: 1. A strong linear correlation exists between PM_(2.5) and AOT, 2. The correlation is better within each type of aerosols as anthropogenic type and dust type than overall, 3. The correlation coefficients take the highest value in such a case that PM_(2.5) values are measured in 30-minutes behind after AOT data. These facts are explained with the model simulations. Our results highlight the possibility that the PM_(2.5) concentration can be estimated from the AOT, and vice versa. Moreover, combining radiometric aerosol information with surface-level particulate mass data appears to be a promising approach for gaining a better understanding of air quality and the atmospheric environment.
机译：根据2004年3月以来在日本东大阪近畿大学校园内NASA / AERONET站的同步测量结果，研究了悬浮颗粒物浓度（PM_（2.5））与柱气溶胶光学厚度（AOT）之间的关系。我们得出以下结果：1. PM_（2.5）与AOT之间存在很强的线性相关性； 2.人为类型和粉尘类型的每种气溶胶在总体上的相关性均好于整体； 3.相关系数取最大值在这种情况下，在AOT数据之后的30分钟内测量了PM_（2.5）值。这些事实将通过模型仿真进行解释。我们的结果强调了可以通过AOT估算PM_（2.5）浓度的可能性，反之亦然。此外，将辐射气溶胶信息与表面水平颗粒物质量数据相结合似乎是一种有前途的方法，可以更好地了解空气质量和大气环境。

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