[1]姜永见,李世杰,沈德福,等.青藏高原江河源区近40年来气候变化特征及其对区域环境的影响[J].山地学报,2012,(04):461.
　JIANG Yongjian,LI Shijie,SHEN Defu,et al.Climate Change and Its Impact on the Regional Environment in the Source Regions of the Yangtze, Yellow and Lantsang Rivers in Qinghai-Tibetan Plateau during 1971—2008[J].Mountain Research,2012,(04):461.
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青藏高原江河源区近40年来气候变化特征及其对区域环境的影响()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2012年04期
页码:
461
栏目:
山地学报
出版日期:
2012-01-01

文章信息/Info

Title:
Climate Change and Its Impact on the Regional Environment in the Source Regions of the Yangtze, Yellow and Lantsang Rivers in Qinghai-Tibetan Plateau during 1971—2008
作者:
姜永见;李世杰;沈德福;陈炜;
1.中国科学院南京地理与湖泊研究所, 湖泊与环境国家重点实验室, 江苏 南京 210008;
2.中国科学院研究生院, 北京 100049;
3.中国科学院地球化学研究所, 贵州 贵阳 550002
Author(s):
JIANG Yongjian;  LI Shijie;  SHEN Defu;  CHEN Wei
1.State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China;
2.Graduate University of Chinese Academy of Sciences, Beijing 100049, China;
3. Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China
关键词:
江河源区; 青藏高原; 气候变化; 区域环境; REOF
Keywords:
the source regions of the Yangtze;  Yellow and Lantsang Rivers;  Qinghai-Tibet Plateau;  climate change;  regional environment;  REOF
分类号:
P467
文献标志码:
A
摘要:
以江河源区12个气象台站1971—2008年间的逐月气温、风速和降水资料为基础,对该区气候变化特征进行了分析,结果表明:近40年来,江河源区气候持续变暖,年均气温的增温率为0.37℃/(10 a),1987年和1998年气温由低向高突变;年均风速显著降低,每10 a降幅为0.24 m/s,1981年和1992年风速由高向低突变,年均风速与年均气温间呈负相关关系;1980年代降水偏多,1970和1990年代偏少,21世纪以来降水量有所回升,增幅因区域而异;年陆面蒸发量整体显著增加。结合前人研究,探讨了气候变化对环境的影响:持续升温导致江河源区内冰川退缩、多年冻土退化;1980年代气候相对暖湿,水...
Abstract:
Based on the monthly temperature, wind velocity and precipitation data from 12 meteorological stations in the source regions of Yangtze, Yellow and Lantsang Rivers during 1971—2008, the features of climate change in recent 40 years are analyzed, the main results are summarized as follows: the annual mean temperature in the source regions has risen at the rate of 0.37℃/(10 a) and experienced two abrupt changes from low to high in 1987 and 1998 respectively; annual mean wind velocity has decreased notably at the rate of 0.24 m/\[s·(10 a)\] and abruptly decreased in 1981 and 1992, significant negative correlation is found between annual mean temperature and wind velocity; the decadal mean annual precipitation of the source regions in the 1980s was higher than that in the 1970s and 1990s, precipitation has increased in varying degrees in different subregions since the 21st century; annual evaporation from land surface in the source regions has increased notably since 1971. The impact of climate change on the environment of the source regions has been discussed. Successive climate warming has led to deglaciation and permafrost degradation; water resource in the 1980s was rich because of the relatively warmwet climate; after the whole 1980s, climate in the source regions changed from warmwet to warmdry, which resulted in the reduction of water resource and the deterioration of ecological environment; in recent few years, there is a general tendency that the climate changes from dry to wet, which causes the increase of water resource and yields positive effect on the ecological environment.

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备注/Memo

备注/Memo:
收稿日期(Received date)：2011-12-12；改回日期(Accepted) : 2012-04-02。
基金项目（Foundation item）：科技部基础性工作专项(2006FY110600)资助。\[Supported by special basic research funds of the Ministry of Science and Technology (2006FY110600).\]
作者简介（Biography）：姜永见(1985-)，男，山东人，博士研究生，从事环境变化研究。\[Jiang Yongjian(1985-), male, born in Shandong, doctor candidate, major in research on environmental change.\] E-mail:kelvin_86@126.com *
通讯作者(Corresponding author): 李世杰(1954-)，男，研究员，博士生导师。\[Li Shijie(1954-), male, professor, Ph D supervisor.\] E-mail: shjli@niglas.ac.cn; lishijie@vip.gyig.ac.cn
更新日期/Last Update: 1900-01-01