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Long-Term Aerosol Climate Data Record Derived from Operational AVHRR Satellite Observations

机译:来自运行中的AVHRR卫星观测的长期气溶胶气候数据记录

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Aerosol optical thickness (AOT) was retrieved using the Advanced Very High Resolution Radiometer (AVHRR) PATMOS-x Level-2b gridded radiances and the two-channel algorithm of the National Climatic Data Center (NCDC). The primary retrieval product is AOT at 0.63 μm channel. AOT is also retrieved at 0.83 μm or 1.61 μm channel for consistent check. The retrieval was made during day time, under clear sky and snow-free conditions, and over the global oceans. The spatial resolution is0.1×0.1degree grid and the temporal resolution is both daily and monthly. The resultant AVHRR AOT climate data record (CDR) spans from August 1981 to December 2009 and provides the longest aerosol CDR currently available from operational satellites. This dataset is useful in studying aerosol climate forcing, monitoring long-term aerosol trends, and evaluating global air pollution and aerosol transport models over the global ocean.
机译:使用先进的超高分辨率辐射计(AVHRR)PATMOS-x Level-2b网格辐射和美国国家气候数据中心(NCDC)的两通道算法来获取气溶胶光学厚度(AOT)。主要检索产品是通道为0.63μm的AOT。还可以在0.83μm或1.61μm的通道处检索AOT,以进行一致的检查。检索是在白天,晴朗的天空和无雪的条件下以及在全球海洋上进行的。空间分辨率为0.1×0.1度网格,时间分辨率为每日和每月。由此产生的AVHRR AOT气候数据记录(CDR)跨度为1981年8月至2009年12月,并且提供了目前可从运行卫星获得的最长的气溶胶CDR。该数据集可用于研究气溶胶气候强迫,监测长期气溶胶趋势以及评估全球海洋上的全球空气污染和气溶胶运输模型。

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