干旱区研究

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2014 , Vol. 31 >Issue 6: 1068 - 1072

DOI: https://doi.org/10.13866/j.azr.2014.06.13

气候变化

近52 a山西气温变化特征

  • 张丽花 ,
  • 延军平 ,
  • 陈利民
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  • 1.陕西师范大学旅游与环境学院,陕西 西安 710062;
    2.山西省长治市沁县中学,山西 沁县 046400
张丽花(1987-),女,硕士研究生,主要研究区域开发与城乡发展. E-mail:zhanglihua426075@163.com
延军平. E-mail:yanjp@snnu.edu.cn

收稿日期: 2013-05-24

  修回日期: 2013-07-08

  网络出版日期: 2014-11-25

基金资助

国家自然科学基金项目(41171090)。

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Temperature Variation Characteristics in Shanxi in Recent 52 Years

  • ZHANG Li-hua ,
  • YAN Jun-ping ,
  • CHEN Li-min
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  • 1. College of Tourism and Environmental Sciences, Shaanxi Normal University, Xi’an 710062, Shaanxi, China;
    2. Qin County Secondary School, Changzhi 046400, Shanxi, China

Received date: 2013-05-24

  Revised date: 2013-07-08

  Online published: 2014-11-25

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摘要

依据山西省1961—2012年17个气象站的逐日气温数据,运用Mann-Kendall突变检验法、EOF、线性趋势分析法,对52 a来山西气温异常的时空变化特征进行了分析。结果显示:① 研究时段内山西气温呈波动上升趋势,在1994年发生暖性气温突变;② 山西省气温变化分布场具有明显的空间分异特征,主要表现为全区升温趋势整体一致。受地形影响,气温变化各自形成中心,呈地形影响型以及因受季风、纬度等不同因素影响的南北分布型;③ 山西省极端最低气温与极端最高气温均呈上升趋势,极端最低气温的上升速率高于极端最高气温,说明山西省极端最低气温的上升在全区的气温上升趋势中起主要作用。

关键词： 气温; EOF; 时空变化; 山西

本文引用格式

张丽花 , 延军平 , 陈利民 . 近52 a山西气温变化特征[J]. 干旱区研究, 2014 , 31(6) : 1068 -1072 . DOI: 10.13866/j.azr.2014.06.13

Abstract

Based on daily temperatures of the last 52 years from 17 climatic stations in Shanxi, the spatial and temporal variation characteristics of temperature anomalies were analyzed by using Mann-Kendall-abrupt-change test, the method of Empirical Orthogonal Function (EOF) analysis and linear trend analysis. The variation of the temperature in Shanxi presented the following characteristics over the study period. The temperature wavelike rising tendency had an abrupt change point in 1994 and showed a continuously warming trend since then. Although having a rising tendency in general over entire region, the distribution of the temperature presented an obvious spatial variations with varied terrain features. Under the influences of topography, monsoon and latitude, several temperature centers were distributed from the south to the north. Both the extreme minimum temperature and extreme maximum temperature in Shanxi had been rising over the study period and the increase of the extreme low temperature was higher than the increase of the extreme high temperature.

Key words： temperature; EOF; temporal and spatial variation; Shanxi

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