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Effect of Altitude and Latitude on Surface Air Temperature across the Qinghai-Tibet Plateau
  • ISSN号:1000-0240
  • 期刊名称:《冰川冻土》
  • 时间:0
  • 分类:P425.42[天文地球—大气科学及气象学] S152.8[农业科学—土壤学;农业科学—农业基础科学]
  • 作者机构:[1]Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 73oooo, China, [2]National Natural Science Foundation of China, Beijing 100085, China, [3]Graduate University of Chinese Academy of Sciences, Beijing ~ooo49, China
  • 相关基金:This work was financially supported by the National Natural Science Foundation of China (Grant No. 40640420072 and No. 40771006). The authors are grateful for valuable comments from the anonymous reviewers.
中文摘要:

在吝啬的表面空气温度和高度之间的关联在时期上从 106 个气象站基于年度、每月的吝啬的表面空气温度数据在这份报纸被分析 19612003 越过 Qinghai 西藏高原。结果显示出那温度变化不仅取决于高度而且纬度,并且在有增加的高度和纬度的温度有渐渐的减少。为为整个高原的垂直温度差错率的全面趋势是近似线性的。三个方法,也就是 multivariate 合成分析,简单关联和传统的逐步的回归,被使用分析这三关联。与第一个方法估计的结果很好与后者被匹配到那些二个方法。明显的吝啬的年度近表面的差错率是 4.8

英文摘要:

The correlation between mean surface air temperature and altitude is analyzed in this paper based on the annual and monthly mean surface air temperature data from 106 weather stations over the period 1961-2003 across the Qinghai-Tibet Plateau. The results show that temperature variations not only depend on altitude but also latitude, and there is a gradual decrease in temperature with the increasing altitude and latitude. The overall trend for the vertical temperature lapse rate for the whole plateau is approximately linear. Three methods, namely multivariate composite analysis, simple correlation and traditional stepwise regression, were applied to analyze these three correlations. The results assessed with the first method are well matched to those with the latter two methods. The apparent mean annual near-surface lapse rate is -4.8 ℃ /km and the latitudinal effect is -0.87 ℃ /°latitude. In summer, the altitude influences the temperature variations more significantly with a July lapse rate of -4.3℃/km and the effect of latitude is only -0.28℃ /°latitude. In winter, the reverse happens. The temperature decrease is mainly due to the increase in latitude. The mean January lapse rate is -5.0℃/km, while the effect of latitude is -1.51℃ /°latitude. Comparative analysis for pairs of adjacent stations shows that at a small spatial scale the difference in altitude is the dominant factor affecting differences in mean annual near-surface air temperature, aided to some extent bydifferences of latitude. In contrast, the lapse rate in a small area is greater than the overall mean value for the Qinghai-Tibet Plateau (5 to 13℃ /km). An increasing trend has been detected for the surface lapse rate with increases in altitude. The temperature difference has obvious seasonal variations, and the trends for the southern group of stations (south of 33 o latitude) and for the more northerly group are opposite, mainly because of the differences in seasonal variation at low altitudes. For yearly changes, the tem

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期刊信息
  • 《冰川冻土》
  • 北大核心期刊(2011版)
  • 主管单位:中国科学院 寒区旱区环境与工程研究所
  • 主办单位:中国地理学会 中国科学院寒区旱区环境与工程研究所
  • 主编:程国栋
  • 地址:兰州市天水中路8号
  • 邮编:730000
  • 邮箱:edjgg@lzb.ac.cn
  • 电话:0931-8260767
  • 国际标准刊号:ISSN:1000-0240
  • 国内统一刊号:ISSN:62-1072/P
  • 邮发代号:54-29
  • 获奖情况:
  • 中国自然科学核心期刊,第二届全国优秀地理期刊,甘肃省优秀地理期刊,中国期刊方阵“双效”期刊
  • 国内外数据库收录:
  • 美国地质文献预评数据库,美国剑桥科学文摘,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊(2004版),中国北大核心期刊(2008版),中国北大核心期刊(2011版),中国北大核心期刊(2014版),中国北大核心期刊(2000版)
  • 被引量:17974