干旱区生态环境知识资源中心(Arid): Dissecting the Characteristics and Driver Factors on Global Water Use Efficiency Using GLASS Data Sets

Arid

DOI	10.1029/2024EF004630
	Dissecting the Characteristics and Driver Factors on Global Water Use Efficiency Using GLASS Data Sets
	Hu, Z. Y.; Dai, Q. H.; Yan, Y. J.; Zhang, Y.; Li, H. Y.; Zhou, H.; Yao, Y. W.
通讯作者	Dai, QH
来源期刊	EARTHS FUTURE
EISSN	2328-4277
出版年	2024
卷号	12 期号:6
英文摘要	Ecosystem water use efficiency (WUE) is a crucial parameter for understanding the interaction between carbon and water cycles. However, the spatio-temporal evolution and drivers of WUE remain unclear. This study utilized global annual scale global land surface satellite gross primary productivity and evapotranspiration data from 1982 to 2018 to estimate WUE and analyze its spatio-temporal characteristics. Additionally, the study investigated the response of WUE changes to five environmental factors (precipitation [PRE], soil moisture, temperature [TEM], palmer drought severity index, and vapor pressure deficit [VPD]) on WUE changes using partial correlation and structural equation modeling. The results suggested that the global annual WUE increased markedly over the study period, at an average rate of 0.0016 gC m(-2) mm(-1) H2O year(-1). In contrast to the existing knowledge on the drivers of WUE change, climate change was found to have a larger contribution to WUE changes at the global and regional scales, especially in terms of TEM and VPD. A positive correlation between TEM and WUE was observed, but extreme TEM could lead to a decrease in WUE. VPD had the most significant direct effect on WUE, and its negative effect offset the positive influence of TEM especially in hyper-arid, semi-arid, and arid regions. These findings offer new insights into the impact of VPD and global warming on WUE.
英文关键词	water use efficiency temperature vapor pressure deficit climate change global
类型	Article
语种	英语
开放获取类型	gold
收录类别	SCI-E
WOS记录号	WOS:001251023300001
WOS关键词	VAPOR-PRESSURE DEFICIT ; RAIN USE EFFICIENCY ; ECOSYSTEM WATER ; TERRESTRIAL ECOSYSTEMS ; CLIMATE-CHANGE ; NITROGEN DEPOSITION ; STOMATAL RESPONSES ; FOREST ECOSYSTEMS ; VEGETATION TRENDS ; CARBON-CYCLE
WOS类目	Environmental Sciences ; Geosciences, Multidisciplinary ; Meteorology & Atmospheric Sciences
WOS研究方向	Environmental Sciences & Ecology ; Geology ; Meteorology & Atmospheric Sciences
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/403334
推荐引用方式 GB/T 7714	Hu, Z. Y.,Dai, Q. H.,Yan, Y. J.,et al. Dissecting the Characteristics and Driver Factors on Global Water Use Efficiency Using GLASS Data Sets[J],2024,12(6).
APA	Hu, Z. Y..,Dai, Q. H..,Yan, Y. J..,Zhang, Y..,Li, H. Y..,...&Yao, Y. W..(2024).Dissecting the Characteristics and Driver Factors on Global Water Use Efficiency Using GLASS Data Sets.EARTHS FUTURE,12(6).
MLA	Hu, Z. Y.,et al."Dissecting the Characteristics and Driver Factors on Global Water Use Efficiency Using GLASS Data Sets".EARTHS FUTURE 12.6(2024).