Research of Reconstruction and Characteristics of Hazes in Anhui

DENG Xueliang; SHI Chun'e; YAO Chen; WU Biwen; YANG Yuanjian; ZHANG Hongqun

doi:10.7522/j.issn.1000-0534.2014.00007

Plateau Meteorology >

2015 , Vol. 34 >Issue 4: 1158 - 1166

DOI: https://doi.org/10.7522/j.issn.1000-0534.2014.00007

Research of Reconstruction and Characteristics of Hazes in Anhui

DENG Xueliang ,
SHI Chun'e ,
YAO Chen ,
WU Biwen ,
YANG Yuanjian ,
ZHANG Hongqun

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Anhui Institute of Meteorology, Key Laboratory of Atmospheric Science and Satellite Remote Sensing, Hefei 230031, China;2. Anhui Meteorological Observatory, Hefei 230031, China

Received date: 2012-10-24

Online published: 2015-08-28

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Abstract

Based on the data provided by 80 surface observation stations from 1970 to 2009, haze days were reconstructed with the objective distinction method for recent forty years in Anhui and the climatic features of haze were systematically analyzed. Results show that the reconstructed haze days were well consistent with the observed and reconstructed values were often higher than observation, so the reconstructed haze days can compensate the lack of haze observations in some stations. Meanwhile, haze days expressed a notable spatial-temporal distribution feature. In annual variation, the time at the begin of 1980s is a cut-off point and after that time haze days exploded. Then the number and density of haze days both increased continuously with the development of Anhui economy. In spatial, haze days were more in eastern region than them in western region and haze regions gradually expanded to the west and the north. As a result, two high hazes centers were formed in the central region of Anhui and the eastern region of Yangtze River. In season, haze occurs mainly in fall and winter rather than in spring and summer. In particular, the medium degree and high degree hazes are all in fall and winter.

Key words： Anhui; Haze; Reconstruction; Spatial-temporal fea

Cite this article

DENG Xueliang , SHI Chun'e , YAO Chen , WU Biwen , YANG Yuanjian , ZHANG Hongqun . Research of Reconstruction and Characteristics of Hazes in Anhui[J]. Plateau Meteorology, 2015 , 34(4) : 1158 -1166 . DOI: 10.7522/j.issn.1000-0534.2014.00007

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