ISSN 1000-0526
CN 11-2282/P
CN 11-2282/P
Archive > Volume 43 Issue 10 > 2017,43(10):1224-1231. DOI:10.7519/j.issn.1000-0526.2017.10.006 Prev Next
SingleLayer Cloud Base Height Estimation Based on ISCCP CloudType Classification and Weighted Distance
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Abstract:
Observation of cloud base height (CBH) is crucial in modeling earthatmosphere radiation budget and for the aviation safety. CBH is estimated by combining measurements from CloudSat/CALIPSO and MODIS based on the International Satellite Cloud Climatology Project (ISCCP) cloudtype classification and a weighted distance algorithm. The proposed method is validated by ATrain data. The result indicates that the mean error of CBH is always less than 3 km, while the average error of CBH of low clouds is smaller than 1 km. The difference between the real and estimated CBHs is mainly within 1 km when distance ranges from 0 km to 500 km, and the root mean square error is smaller than 3 km. Application to the 3D cloud structure of a frontal cloud is also demonstrated.
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Clc Number:
P413
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