Aerosol Remote Sensing over Clouds Using A-Train Observations
Aerosol Remote Sensing over Clouds Using A-Train Observations
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DOI：
10.1175/2009jas3026.1
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发表时间：
2009-08
影响因子：
3.1
通讯作者：
F. Waquet;J. Riedi;L. C.-Labonnote;P. Goloub;B. Cairns;J. Deuze;D. Tanré
中科院分区：
文献类型：
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作者：
F. Waquet;J. Riedi;L. C.-Labonnote;P. Goloub;B. Cairns;J. Deuze;D. Tanré
摘要 云层上方气溶胶的检测对于气溶胶和云层辐射影响的估计至关重要。在这项研究中，作者提出了一种检索云层气溶胶特性的新方法，该方法使用地球反射率的偏振和方向性（POLDER）的多角度偏振测量——大气科学反射率的偏振和各向异性与激光雷达观测相结合（PARASOL）仪器。对该方法进行了说明，并将其应用于利用 NASA A-Train 卫星星座其他无源和有源传感器的同步观测的案例研究。该案例研究涉及源自南部非洲的升高的生物质燃烧气溶胶层，然后在延伸至大西洋的低层云层上传输。结果表明，通过为 A-Train 传感器开发的不同无源技术检索到的云顶高度之间的比较可用于检测...
Abstract The detection of aerosol above clouds is critical for the estimate of both the aerosol and cloud radiative impacts. In this study, the authors present a new method to retrieve the aerosol properties over clouds that uses the multiangle polarization measurements of the Polarization and Directionality of Earth Reflectances (POLDER)–Polarization and Anisotropy of Reflectances for Atmospheric Sciences Coupled with Observations from a Lidar (PARASOL) instrument. The method is illustrated and applied to a case study exploiting the coincident observations from other passive and active sensors of the NASA A-Train satellite constellation. The case study is relative to an elevated biomass burning aerosol layer that originates from southern Africa and is then transported over low-level clouds extending over the Atlantic Ocean. It is shown that the comparison between the cloud-top heights retrieved with the different passive techniques developed for the A-Train sensors can be used to detect the presence of a...