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学科主题: 地理学::自然地理学
题名: Seasonal divergence in the interannual responses of Northern Hemisphere vegetation activity to variations in diurnal climate
作者: Wu, XC (Wu, Xiuchen)1, 2, 3; Liu, HY (Liu, Hongyan)4; Li, XY (Li, Xiaoyan)1, 2, 3; Liang, EY (Liang, Eryuan)5; Beck, PSA (Beck, Pieter S. A.)6; Huang, YM (Huang, Yongmei)1, 3
通讯作者: Wu, XC
刊名: SCIENTIFIC REPORTS
发表日期: 2016
DOI: 10.1038/srep19000
卷: 6, 期:0, 页:19000
收录类别: SCI
合作性质: 国际
文章类型: Article
英文摘要: Seasonal asymmetry in the interannual variations in the daytime and nighttime climate in the Northern Hemisphere (NH) is well documented, but its consequences for vegetation activity remain poorly understood. Here, we investigate the interannual responses of vegetation activity to variations of seasonal mean daytime and nighttime climate in NH (>30 degrees N) during the past decades using remote sensing retrievals, FLUXNET and tree ring data. Despite a generally significant and positive response of vegetation activity to seasonal mean maximum temperature (T-max) in similar to 22-25% of the boreal (>50 degrees N) NH between spring and autumn, spring-summer progressive water limitations appear to decouple vegetation activity from the mean summer T-max, particularly in climate zones with dry summers. Drought alleviation during autumn results in vegetation recovery from the marked warming-induced drought limitations observed in spring and summer across 24-26% of the temperate NH. Vegetation activity exhibits a pervasively negative correlation with the autumn mean minimum temperature, which is in contrast to the ambiguous patterns observed in spring and summer. Our findings provide new insights into how seasonal asymmetry in the interannual variations in the mean daytime and nighttime climate interacts with water limitations to produce spatiotemporally variable responses of vegetation growth.
语种: 英语
WOS记录号: WOS:000368126600002
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7784
Appears in Collections:图书馆_期刊论文

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作者单位: 1.Beijing Normal Univ, State Key Lab Earth Proc & Resource Ecol, Beijing 100875, Peoples R China
2.JCGCS, Beijing 100875, Peoples R China
3.Beijing Normal Univ, Coll Resources Sci & Technol, Beijing 100875, Peoples R China
4.Peking Univ, Coll Urban & Environm Sci, Beijing 100871, Peoples R China
5.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100085, Peoples R China
6.Commiss European Communities, Joint Res Ctr, Inst Environm & Sustainabil, Forest Resources & Climate Unit, I-21020 Ispra, VA, Italy

Recommended Citation:
Wu, XC ,Liu, HY ,Li, XY ,et al. Seasonal divergence in the interannual responses of Northern Hemisphere vegetation activity to variations in diurnal climate[J]. SCIENTIFIC REPORTS,2016,6(0):19000.
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格式: Adobe PDF
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