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中国大陆卫星反演云参数的评估
引用本文:魏丽,钟强.中国大陆卫星反演云参数的评估[J].高原气象,1996,15(2):147-156.
作者姓名:魏丽  钟强
作者单位:中国科学院兰州高原大气物理研究所
基金项目:国家攀登项目,中科院留学择优基金
摘    要:该文选取1983年7月和1984年1月份代表夏季和冬季,利用中国地面气象月报的云量资料以及多年平均的地面观测云气修资料,与中国大陆地区ISCCP卫星反演的去量和云状资料进行了对比分析。参照大气环流和云天气气候特征,从卫星得到的从云状是比较合理的,但干旱沙漠地区的高云量的估计不足,低云估计偏多。

关 键 词:中国大陆  卫星反演    观测数据  对比分析

EVALUATION ON CLOUD VARIABLES FROM ISCCP DATA OVER CHINESE CONTINENT
Wei Li,Zhong Qiang,Hou Ping.EVALUATION ON CLOUD VARIABLES FROM ISCCP DATA OVER CHINESE CONTINENT[J].Plateau Meteorology,1996,15(2):147-156.
Authors:Wei Li  Zhong Qiang  Hou Ping
Abstract:In this paper, the ISCCP cloud amounts and cloud types for July 1983 and January 1984 are compared to the observations of cloud derived from Chinese weather stations and to the cloud climatology given by Hahn et al. The results show that the geographic distribution of the ISCCP monthly mean cloud amount is agreeable well to that from surface observation. The locations of more cloud and less cloud centres by two kinds of observation are close. However, differences in magnitude between the ISCCP data and the surface observations still exist. The ISCCP cloud amount is generally lower than the surface observations. The underestimates are more obvious in winter than in summer and at early morning than at noon. The disagreements are lareger over the northwest of the Qinghai-Xizang Plateau, the Yun-Gui Plateau and the area around Tian Shan mountains. Comparisons of the ISCCP cloud types with the cloud climatology given by Hahn et al. suggests that the ISCCP results are basically reasonable. But the high level clouds are underestimated and the low level clouds are overestimated over some desert regions.
Keywords:Chinese continent  ISCCP-C  2  cloud data  Cloud observation at surface  Comparison analysis  
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