西北地区太阳辐射时空变化特征研究  

Temporal and Spatial Variation Characteristics of Global Solar Radiation in Northwest China

作　　者：温松楠 WEN Songnan(School of Surveying,Mapping and Geographic Information,Lanzhou Resources&Environment Voc-Tech University,Lanzhou 730021,China)

机构地区：[1]兰州资源环境职业技术大学测绘与地理信息学院,甘肃兰州730021

出　　处：《河南科技》2025年第1期87-91,共5页Henan Science and Technology

基　　金：甘肃省高等学校创新基金项目(2022A-200);兰州资源环境职业技术学院科研项目(Y2021C-04);甘肃省教育厅创新基金项目“祁连山国家公园植被净初级生产力时空变化分析及预测”(2024A-271)。

摘　　要：【目的】近年来受雾霾等环境污染影响,地表太阳辐射变化剧烈。研究西北地区太阳辐射时空变化特征对于太阳能资源利用的部署和规划具有重要意义。【方法】基于西北地区1962—2012年28个太阳辐射观测站获得的资料,利用距平分析法、距平百分率、滑动相关分析法、趋势分析法,结合ArcGIS软件,分析1962—2012年整个西北地区(新疆、青海、宁夏、陕西、甘肃)的太阳总辐射的年际变化特征。【结果】结果表明,1962—2012年,太阳总辐射的变化经历了60年代的“平稳期”阶段、70年代至80年代中期持续“下降”,之后转折回升,“上升”阶段到90年代中期便终止,随后为“振荡回落期”直至2012年。新疆、青海、宁夏、陕西、甘肃太阳总辐射的年际变化趋势与整个西北地区的变化一致。【结论】太阳总辐射的变化可能与不同省份的城市化进程、大气环境状况、气溶胶的增多,以及各个测站所处的地理位置和周围环境有密切的关系。尽管90年代之后大气透明度的增加有利于太阳总辐射的增大,但这种变化能否解释过去50年所发生的变化,目前尚无明确结论,仍需进一步深入研究。[Purposes]In recent years,due to the impact of environmental pollution such as haze,the surface solar radiation has changed drastically.Therefore,it is of great significance to study the temporal and spatial variation characteristics of solar radiation in northwest China for the deployment and planning of solar resource utilization.[Methods]Based on the data obtained from 28 solar radiation observation stations in northwest China from 1962 to 2012,using anomaly analysis,anomaly percentage,sliding correlation analysis and trend analysis,and combined with ArcGIS software,this paper analyzes the interannual variation characteristics of global solar radiation in the whole northwest China(Xinjiang,Qinghai,Ningxia,Shaanxi and Gansu)from 1962 to 2012.[Findings]The results show that from 1962 to 2012,the change of global solar radiation experienced four stages,namely,the"stationary period"in the 1960s,from the 1970 s to the mid-1980 s,it continued to'fall',and then rebounded.The'rise'period ended in the mid-1990 s,followed by the'oscillation fall'period until 2012.The interannual variation trend of global solar radiation in Xinjiang,Qinghai,Ningxia,Shaanxi and Gansu is consistent with that of the whole northwest region.[Conclusions]The change of global solar radiation may be closely related to the urbanization process in different provinces,the atmospheric environment,the increase of aerosols,and the geographical location and surrounding environment of each station.Although the increase of atmospheric transparency after the 1990s is conducive to the increase of global solar radiation,there is no clear conclusion as to whether this change can explain the changes that have taken place in the past 50 years,which requires further in-depth study.

关 键 词：西北地区 太阳总辐射 突变 时空变化 

分 类 号：P422.1[天文地球—大气科学及气象学]