globalchange  > 过去全球变化的重建
DOI: 10.1016/j.gloplacha.2019.03.010
WOS记录号: WOS:000468717000003
论文题名:
NDVI indicated inter-seasonal non-uniform time-lag responses of terrestrial vegetation growth to daily maximum and minimum temperature
作者: Wen, Youyue1,2; Liu, Xiaoping1; Yang, Jian2; Lin, Kui2; Du, Guoming1
通讯作者: Liu, Xiaoping
刊名: GLOBAL AND PLANETARY CHANGE
ISSN: 0921-8181
EISSN: 1872-6364
出版年: 2019
卷: 177, 页码:27-38
语种: 英语
英文关键词: Asymmetric warming ; Time-lag effects ; Tmax ; Tmin ; Vegetation types ; Climate change
WOS关键词: INDEX NDVI3G ; CLIMATE ; ACCLIMATION ; RESPIRATION ; PATTERNS ; DROUGHT ; DAYTIME ; MODIS ; PHOTOSYNTHESIS ; PRECIPITATION
WOS学科分类: Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向: Physical Geography ; Geology
英文摘要:

Climate warning exhibits asymmetric patterns over a diel cycle, with the trend of daily minimum temperature (Tmin) exceeds that of daily maximum temperature (Tmax), which is expected to significantly affect terrestrial vegetation growth. To date, many studies have documented the instantaneously asymmetric impacts of Tmax and/ or Tmin on terrestrial ecosystems, but little is known about the non-uniform time-lag effects of Tmax and/or Tmin on vegetation growth. Using monthly datasets of normalized difference vegetation index (NDVI) as the proxy for vegetation vigor and the accumulated Tmax and Tmin on representatives of asymmetric warming, we quantitatively investigated the inter-seasonal non-uniform time-lag effects of Tmax and/or Tmin on terrestrial vegetation growth from 1982 to 2014 by applying partial correlation and time-lag analyses. Our results indicate that both Tmax and Tmin have significant time-lag effects on vegetation growth that exhibit spatial heterogeneities; the same vegetation type exhibits distinguished asymmetric responses to Tmax vs. Tmin; and different vegetation types respond to Tmax and/or Tmin with diverse time-lag effects; the overall average lagged times of Tmax and Tmin on vegetation growth were 1.68 +/- 1.05 months and 1.45 +/- 0.96 months, respectively; terrestrial vegetation growth correlates with Tmax reversely against Tmin over most regions and vegetation types. This study provided new insights into the non-uniform responses of vegetation to asymmetric warming. Moreover, our findings highlight the urgency of the currently used climate-vegetation models to consider the non-uniform time-lag effects found in this study so as to improve their performances in future investigation of vegetation-climate interactions.


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被引频次[WOS]:59   [查看WOS记录]     [查看WOS中相关记录]
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/139059
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作者单位: 1.Sun Yat Sen Univ, Sch Geog & Planning, 135 West Xingang RD, Guangzhou 510275, Guangdong, Peoples R China
2.Minist Ecol & Environm, South China Inst Environm Sci, 18 Ruihe RD, Guangzhou 510535, Guangdong, Peoples R China

Recommended Citation:
Wen, Youyue,Liu, Xiaoping,Yang, Jian,et al. NDVI indicated inter-seasonal non-uniform time-lag responses of terrestrial vegetation growth to daily maximum and minimum temperature[J]. GLOBAL AND PLANETARY CHANGE,2019-01-01,177:27-38
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