[1]刘典何文,刘金福,黄中艳.昆明太华山站空气湿度的气候变化及其对降水的影响[J].气象研究与应用,2020,41(02):25-30.[doi:10.19849/j.cnki.CN45-1356/P.2020.2.05]
 Liu Dianhewen,Liu Jinfu,Huang Zhongyan.Climate change of air humidity at Taihuashan Station in Kunming and its influence on precipitation[J].Journal of Meteorological Research and Application,2020,41(02):25-30.[doi:10.19849/j.cnki.CN45-1356/P.2020.2.05]
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昆明太华山站空气湿度的气候变化及其对降水的影响()
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气象研究与应用[ISSN:1673-8411/CN:45-1356/P]

卷:
第41卷
期数:
2020年02期
页码:
25-30
栏目:
研究论文
出版日期:
2020-06-30

文章信息/Info

Title:
Climate change of air humidity at Taihuashan Station in Kunming and its influence on precipitation
作者:
刘典何文1 刘金福2 黄中艳3
1. 云南大学资环学院, 昆明 650504;
2. 昆明市气象局, 昆明 650501;
3. 云南省气象学会, 昆明 650034
Author(s):
Liu Dianhewen1 Liu Jinfu2 Huang Zhongyan3
1. School of Resource Environment and Earth Science, Yunnan University, Kunming 650504;
2. Kunming Meteorological Bureau, Kunming 650501;
3. Yunnan Meteorological Society, Kunming 650034
关键词:
绝对湿度相对湿度气候变化功率谱
Keywords:
absolute humidityrelative humidityclimate changepower spectrum
分类号:
P467
DOI:
10.19849/j.cnki.CN45-1356/P.2020.2.05
摘要:
基于太华山站气候资料,使用线性相关、回归和功率谱等方法,分析1954-2015年各季节和年空气湿度的变化特点及其对降水的影响。结果表明,(1) 62a来该站各季节和年平均绝对湿度呈线性增大趋势,但无周期性变化;平均相对湿度无显著线性变化,但雨季、干季期有约5a的周期变化。(2)干季降水偏多年同期相对湿度和绝对湿度都较大,雨季降水量则只与平均相对湿度呈正相关。(3)气候变暖会显著增大雨季、冬季和年平均绝对湿度,但不显著影响雨季、干季和年降水量的变化趋势。
Abstract:
Based on the climate data of Taihuashan station from 1954 to 2015, the change characteristics of air humidity in different seasons and years and influences on precipitation were analyzed by using the methods of linear correlation, regression and power spectrum. The results showed that(1) the average absolute humidity of the station in each season and year increased linearly in 62 years, but there was no periodic change. There was no significant linear change in the average relative humidity, but there was a periodic change of about 5 years in rainy season and dry season.(2) When both the relative humidity and the absolute humidity had a high value, the dry season would have more precipitation, while the precipitation in rainy season was only positively correlated with the average relative humidity.(3) Climate warming would significantly increase the average absolute humidity in rainy season, winter and year, but not significantly affect their change trend.

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备注/Memo

备注/Memo:
收稿日期:2020-03-05。
基金项目:国家自然科学基金(41665004)
作者简介:刘典何文(1999-),女,云南大学资环学院大气科学专业学生。E-mail:1520229312@qq.com
通讯作者:黄中艳(1964-),男,正研高工,主要从事农业气象与气候应用分析。E-mail:qxhzy@sina.com
更新日期/Last Update: 1900-01-01