1981-2010年气候变化对青藏高原实际蒸散的影响(英文)

被引:21
作者
尹云鹤
吴绍洪
赵东升
郑度
潘韬
机构
[1] InstituteofGeographicSciencesandNaturalResourcesResearch,CAS
关键词
evapotranspiration; LPJ model; climate change; Tibetan Plateau;
D O I
暂无
中图分类号
P467 [气候变化、历史气候];
学科分类号
摘要
From 1981 to 2010,the effects of climate change on evapotranspiration of the alpine ecosystem and the regional difference of effects in the Tibetan Plateau(TP) were studied based on the Lund-Potsdam-Jena dynamic vegetation model and data from 80 meteorological stations.Changes in actual evapotranspiration(AET) and water balance in TP were analyzed.Over the last 30 years,climate change in TP was characterized by significantly increased temperature,slightly increased precipitation,and decreased potential evapotranspiration(PET),which was significant before 2000.AET exhibited increasing trends in most parts of TP.The difference between precipitation and AET decreased in the southeastern plateau and increased in the northwestern plateau.A decrease in atmospheric water demand will lead to a decreased trend in AET.However,AET in most regions increased because of increased precipitation.Increased precipitation was observed in 86% of the areas with increased AET,whereas decreased precipitation was observed in 73% of the areas with decreased AET.
引用
收藏
页码:195 / 207
页数:13
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