多源融合实况分析产品在重庆地区的适用性分析

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Abstract Through the evaluation indexes such as error,mean error,absolute error,mean absolute error,root mean square error and correlation coefficient,this paper evaluates and analyzes the applicability of 5 categories and 12 kinds of 5 km multi-source real time analysis that consist of the temperature,relative humidity,wind,visibility and precipitation in Chongqing by the meteorological observation data of 1984 ground automatic meteorological observation stations from November 2019 to October 2021.The results show that the quality of multi-source real time analysis is good,the temperature product is the best,the relative humidity and precipitation are the second,and the wind product is the worst.The product quality shows a seasonal change trend,and spring and winter are better than summer and autumn,among which the precipitation products change most obviously with season.The use of products shall be selected in combination with local characteristics and applications.

Key words： multi-source real time analysis product product evaluation applicability analysis ground automatic meteorological observation station

Received: 13 May 2022

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	Articles by authors
	Zhu Jun
	Li Qilin
	Zhao Meiyan
	Gai Changsong

Cite this article:

Zhu Jun,Li Qilin,Zhao Meiyan等. Application assessment of multi-source real time analysis product in Chongqing area[J]. Meteorological Hydrological and Marine Instrument, 2023, 40(3): 38-41.

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http://www.qxswhy.com/EN/ OR http://www.qxswhy.com/EN/Y2023/V40/I3/38

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