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学科主题: 生物科学::普通生物学
题名: Asymmetric Responses of the End of Growing Season to Daily Maximum and Minimum Temperatures on the Tibetan Plateau
作者: Yang, ZY (Yang, Zhiyong)1; Shen, MG (Shen, Miaogen)1, 2; Jia, SG (Jia, Shugang)3; Guo, L (Guo, Li)4; Yang, W (Yang, Wei)5; Wang, C (Wang, Cong)6; Chen, XH (Chen, Xuehong)7; Chen, J (Chen, Jin)7
通讯作者: Shen, MG
关键词: NORTHERN-HEMISPHERE VEGETATION ; LAND-SURFACE PHENOLOGY ; GREEN-UP DATE ; LEAF SENESCENCE ; CLIMATE-CHANGE ; ECOSYSTEM PRODUCTIVITY ; MONITORING VEGETATION ; SPRING PHENOLOGY ; CARBON UPTAKE ; AUTUMN
刊名: JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
发表日期: 2017
DOI: 10.1002/2017JD027318
卷: 122, 期:24, 页:13278-13287
收录类别: SCI
合作性质: 国际
文章类型: Article
类目[WOS]: Meteorology & Atmospheric Sciences
研究领域[WOS]: Meteorology & Atmospheric Sciences
英文摘要: Climate warming has delayed the end of the growing season (EOS) in temperate and cold ecosystems. However, it is unclear whether asymmetric warming (higher warming at night than during the day) has triggered different responses in the timing of EOS. Here we used satellite-observed EOS of alpine vegetation to reveal its asymmetric responses to nighttime and daytime warming on the Tibetan Plateau. Increased preseason minimum temperature could postpone EOS by 7.92dayK(-1) (P<0.01), probably by slowing low-temperature induced leaf senescence, whereas increased preseason maximum temperature could advance EOS by 3.57dayK(-1) (P<0.05), likely due to the confounding effects of water limitations. The delaying effect of nighttime warming was stronger in more arid areas of the plateau, where daytime warming has a stronger advancing effect on EOS. Our results provide new insights into understanding and modeling autumn vegetation phenology on the Tibetan Plateau and grassland ecosystems in other temperate and cold regions.
语种: 英语
WOS记录号: WOS:000419950200021
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7918
Appears in Collections:图书馆_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Alpine Ecol & Biodivers, Beijing, Peoples R China.
2.Chinese Acad Sci, Ctr Excellence Tibetan Plateau Earth Sci, Beijing, Peoples R China.
3.Guangxi Teachers Educ Univ, Nanning, Peoples R China.
4.Penn State Univ, Dept Ecosyst Sci & Management, University Pk, PA 16802 USA.
5.Chiba Univ, Ctr Environm Remote Sensing, Chiba, Japan.
6.Univ Texas Arlington, Dept Biol, Arlington, TX 76019 USA.
7.Beijing Normal Univ, Fac Geog Sci, Coll Remote Sensing Sci & Engn, State Key Lab Earth Surface Proc & Resource Ecol, Beijing, Peoples R China.

Recommended Citation:
Yang, ZY ,Shen, MG ,Jia, SG ,et al. Asymmetric Responses of the End of Growing Season to Daily Maximum and Minimum Temperatures on the Tibetan Plateau[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2017,122(24):13278-13287.
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