长江中游城市群太阳辐射长期变化特征及其与气象要素的关系研究

doi:10.11870/cjlyzyyhj201704009

长江流域资源与环境 >> 2017, Vol. 26 >> Issue (04): 563-571.doi: 10.11870/cjlyzyyhj201704009

长江中游城市群太阳辐射长期变化特征及其与气象要素的关系研究

周志高¹, 林爱文¹, 王伦澈²

1. 武汉大学资源与环境科学学院, 湖北武汉 430072;
2. 中国地质大学地球科学学院, 湖北武汉 430074

收稿日期:2016-09-22 修回日期:2016-12-25 出版日期:2017-04-20
通讯作者: 林爱文 E-mail:awlin@whu.edu.cn
作者简介:周志高(1991~),男,硕士,主要从事太阳辐射-云-气溶胶与陆地生态系统的交互作用研究.E-mail:2506977350@qq.com
基金资助:
国家自然科学基金项目“农业干旱和水文干旱对气象干旱的预警响应模拟研究”（41301586）；国家自然科学基金项目“中国区域光合有效辐射气候学特征及其历史数据重建方法研究”（41601044）

LONG-TERM VARIATION OF SOLAR RADIATION AND ITS RELATIONSHIP WITH METEOROLOGICAL FACTORS IN THE MIDDLE REACHES OF YANGTZE RIVER

ZHOU Zhi-gao¹, LIN Ai-wen¹, WANG Lun-che²

1. School of Resource and Environmental Sciences, Wuhan University, Wuhan 430072, China;
2. School of Earth Science, China University of Geosciences, Wuhan 430074, China

Received:2016-09-22 Revised:2016-12-25 Online:2017-04-20
Supported by:
National Natural Science Foundation of China:The study about early warning response of drought and drought in agriculture to meteorological drought (41301586);National Natural Science Foundation of China:The study no the climatological characteristics and reconstruction method of photosynthetically active radiation in China (41601044)

摘要/Abstract

摘要： 基于长江中游5个气象辐射站点1961年以来的每日太阳辐射成分及其他气象观测数据，应用线性回归、相关分析、Pettitt突变检验等方法，探讨了近半世纪以来长江中游城市群太阳辐射的变化特征，指明地面接收太阳辐射的突变年份，并分析了太阳辐射与相关气象要素的关系。结果表明：近53年来长江中游地面接收太阳总辐射呈现先下降（“变暗”）、后上升（“变亮”）的趋势，该区域的辐射变化与全球范围内的“变暗”及“变亮”的变化趋势是一致的。日照时数与太阳辐射呈现较为显著的正相关性，相关系数r为0.63；而降水量则与太阳辐射呈现负相关性，相关系数r为-0.41。太阳辐射的这种突变变化也直接导致了气温的变化，在“变暗”阶段，太阳辐射与最高气温、气温日较差呈现出显著的正相关性，相关系数分别达到0.61和0.82，但其与最低气温、平均气温的相关性则不显著；在“变亮”阶段，太阳辐射与最高气温、气温日较差、平均气温呈现出正相关性，相关系数分别为0.56、0.62以及0.46，但其与最低气温的相关性则不显著。

关键词: 太阳辐射, 气象要素, 相关性, 长江中游城市群

Abstract: Based on daily solar radiation components and other meteorological observation data in the middle reaches of the Yangtze River since 1961, using linear regression, correlation analysis and Pettitt mutation test method, variation characteristics of solar radiation were investigated and mutation of solar radiation were detected and relationship between solar radiation and meteorological factors were analyzed. The results showed solar radiation showed a decreasing trend ("dark") during 1961-1989 and an increasing trend ("light") during 1990-2013. This is consistent with trend of global scale. Sunshine hours and solar radiation showed a significant positive correlation with a correlation coefficient r of 0.63; while precipitation was negatively correlated with solar radiation (r=-0.41). The solar radiation mutation change is a direct cause of the changes in temperature. In the "dark" stage, the solar radiation had significant positive correlations with the highest temperature (r=0.61) and diurnal temperature (r=0.82), while the correlation between solar radiation and minimum temperature AND average temperature was not significant. In the "light" stage, the solar radiation had positive correlation with the highest temperature (r=0.56), diurnal temperature (r=0.62), and the average temperature(r=0.46), while its correlation between solar radiation and lowest temperature was not significant.

Key words: solar radiation, meteorological elements, correlation, urban agglomeration in middle reaches of the Yangtze River

中图分类号:

P422.1

周志高, 林爱文, 王伦澈. 长江中游城市群太阳辐射长期变化特征及其与气象要素的关系研究[J]. 长江流域资源与环境, 2017, 26(04): 563-571.

ZHOU Zhi-gao, LIN Ai-wen, WANG Lun-che. LONG-TERM VARIATION OF SOLAR RADIATION AND ITS RELATIONSHIP WITH METEOROLOGICAL FACTORS IN THE MIDDLE REACHES OF YANGTZE RIVER[J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2017, 26(04): 563-571.

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