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Meteorological Hydrological and Marine Instrument  2014, Vol. 31 Issue (2): 1-6    DOI:
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Analysis of cloud macro characteristics based on groundbased cloud radar data
Yang Chao1, 2, Yao Zhigang2, Zhao Zengliang2
1.Institute of Meteorology and Ocean, PLA University of Science and Technology, Nanjing 211101;
2.Beijing Institute of Applied Meteorology, Beijing 100029

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Abstract  By means of observation data detected by atmospheric radiation measurement mobile facility called groundbased cloud radar of the U.S.department of energy (DOE) in Shouxian county in the east of China from October 15 to December 15, 2008, the occurrence frequency and macroproperty of the cloud are analyzed.The results show that the maximum of cloud occurrence frequency is near the ground at 0609 UTC (14-17 GMT) in Shouxian area in late autumn and early winter, and it also occurs near the height of 8 km at 04 UTC and 23 UTC.Moreover, the maximum of cloud occurrence frequency corresponds to the minimum of the average reflectivity factor.The frequency of cloud layers is in the majority with single cloud, accounting for 62.9% of all clouds, and double clouds account for 29.8%, which also exists a small amount of multilayer clouds.The frequency of cloud types is given priority to cirrus, altostratus and stratocumulus, accounting for 30.9%, 26.5% and 22.2% respectively.
Key wordscloud radar      cloud classification      frequency      precipitation     
Received: 13 January 2014     
ZTFLH: P412.25  
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Yang Chao
Yao Zhigang
Zhao Zengliang
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Yang Chao,Yao Zhigang,Zhao Zengliang. Analysis of cloud macro characteristics based on groundbased cloud radar data[J]. Meteorological Hydrological and Marine Instrument, 2014, 31(2): 1-6.
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