气候变化影响

气候变化对中国大雾的影响

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  • 1. 国家气象信息中心,北京 100081;
    2. 中国气象局兰州干旱气象研究所,甘肃省干旱气候变化与减灾重点实验室,兰州 730020
王丽萍 (1952-), 女, 高级工程师, 从事气象资料的数据处理和分析工作。E-mail: wanglp@cma.gov.cn

收稿日期: 2005-10-19

  修回日期: 2006-02-24

  网络出版日期: 2006-05-25

基金资助

科学技术部重点课题 (2004DKA20170-02)

Impact of Climate Warming on Fog in China

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  • 1. National Meteorological Information Center, Beijing 100081, China;
    2. Key Laboratory of Arid Climatic Variation and Disaster Reduction, Institute of Arid Meteorology, China Meteorological Administration, Lanzhou 730020, China

Received date: 2005-10-19

  Revised date: 2006-02-24

  Online published: 2006-05-25

Supported by

The key project of Ministry of Science and Technology of the People's Republic of China, No.2004DKA20170-02

摘要

用中国602个台站1961年1月~2003年12月的地面观测大雾、气温、相对湿度资料,采用线性回归分析、相关分析和对比分析等方法,分析了43年来中国地区大雾日数与气温、湿度变化的关系。结果表明:大雾日数偏少 (多) 与气温偏高 (低)、相对湿度偏小 (大) 存在一定的对应关系。这种对应关系较好的区域是中国的西部、北部、川东、云贵高原和东南丘陵地区。

关键词: 中国; 气候; 大雾

本文引用格式

王丽萍, 陈少勇, 董安祥 . 气候变化对中国大雾的影响[J]. 地理学报, 2006 , 61(5) : 527 -536 . DOI: 10.11821/xb200605009

Abstract

Using foggy days and mean temperature and relative humidity of 602 stations from January to December in the period 1961-2003 in China, the relationship between variations of foggy days and temperature and its possible reason for 43 years were analyzed by regression, correlation and contrastive analysis methods. The results show that the higher (lower) the mean temperature and relative humidity, the lower (higher) corresponding to the less (more) foggy days, the relationship is best in the western, northern, eastern Sichuan, the Yunnan-Guizhou Plateau, and southeast highland in China. This induces a decrease in relative humidity when the climate becomes warmer, and eventually brings about a decrease in foggy days in China.

Key words: China; climate; fog

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