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首页> 外文期刊>SOLA: Scientific Online Letters on the Atmosphere >Cloud Properties over the Bay of Bengal Derived from NOAA-9 Split Window Data and the TRMM PR Product
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Cloud Properties over the Bay of Bengal Derived from NOAA-9 Split Window Data and the TRMM PR Product

机译：来自NOAA-9分割窗口数据和TRMM PR产品的孟加拉湾云特性

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References(20) Cited-By(2) Supplementary materials(1) We studied the features of convective activity over the Bay of Bengal (BoB) in terms of cloud type and rainfall. In this paper, six cloud types were classified over the tropics using split window (11 and 12 µm) data measured by the Advanced Very High Resolution Radiometer (AVHRR) on board NOAA-9. The spatiotemporal structure of Dense Cirrus (D-Ci) and Cumulonimbus (Cb) type clouds is surveyed in this study. As for the summer monsoon season, D-Ci-type clouds higher than 10% can be seen over the entire BoB. The spatiotemporal structure of the D-Ci-type cloudiness coincides with those of outgoing longwave radiation (OLR) value of less than 230 W/m 2 over the BoB. The Cb-type cloudiness, which is less than D-Ci-type, concentrates over the northeastern part of the BoB in the boreal summer. The enhanced precipitation, derived from Tropical Rainfall Measurements Mission (TRMM) Precipitation Rader (PR), coincides with the D-Ci-type clouds area higher than 20% and the low OLR value less than 190 W/m 2 as well as large amount of Cb-type cloudiness in the boreal summer.
机译：参考文献（20）引用依据（2）补充材料（1）我们根据云的类型和降雨量研究了孟加拉湾（BoB）对流活动的特征。在本文中，使用NOAA-9上的超高分辨率高分辨率辐射计（AVHRR）测量的分裂窗口（11和12 µm）数据对热带地区的六种云类型进行了分类。本研究调查了密集卷云（D-Ci）和积雨云（Cb）型云的时空结构。至于夏季季风季节，在整个BoB上都可以看到高于10％的D-Ci型云。 D-Ci型混浊的时空结构与BoB上的长波辐射（OLR）值小于230 W / m 2的时空结构一致。北方夏季，Cb型浊度低于D-Ci型浊度，集中在BoB的东北部。来自热带雨量测量任务（TRMM）降水雷达（PR）的降水增加，这与D-Ci型云面积大于20％和低OLR值小于190 W / m 2以及大量降水相吻合。北方夏季Cb型混浊的发生。

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