干旱区生态环境知识资源中心(Arid): A novel ecohydrological model by capturing variations in climate change and vegetation coverage in a semi-arid region of China

Arid

DOI	10.1016/j.envres.2022.113085
	A novel ecohydrological model by capturing variations in climate change and vegetation coverage in a semi-arid region of China
	Fang, Qingqing; Wang, Guoqiang; Zhang, Shanghong; Peng, Yang; Xue, Baolin; Cao, Yongqiang; Shrestha, Sangam
通讯作者	Xue, BL
来源期刊	ENVIRONMENTAL RESEARCH
ISSN	0013-9351
EISSN	1096-0953
出版年	2022
卷号	211
英文摘要	Variations in vegetation are influenced by regional climate regimes and, in turn, control the water balance behavior in water-limited regions. Owing to its role in ecohydrological processes, vegetation is an essential link in modeling the relationships among climate conditions, vegetation patterns, and dynamic water balance behavior. However, previous ecohydrological models have been empirical and complex, without physically significant parameters. Here, we propose a novel ecohydrological model (a Budyko model-coupled vegetation model) that combines the impacts of climate change and vegetation variations, featuring simple and deterministic parameters. In addition to accounting for the fundamental water balance model and its factors, mean precipitation, potential evapotranspiration, runoff, and variations in water storage (delta S), the model showed better performance when incorporating delta S (RMSE = 2.72 mm yr(-1)) and its parameter epsilon-, which is mechanically and quantitively subject to the vegetation coverage (R-2 = 0.95, p < 0.01). This was estimated as a function of vegetation potential canopy conductance, mean rainstorm depth, mean time between storms, and potential rate of evapotranspiration in a semi-arid watershed with impulsive precipitation in China (R2 = 0.80, p < 0.01). The model also found that vegetation growth was mainly controlled by soil water content and decoupled the impact of the total amount of precipitation on vegetation in the northeastern area of the watershed. Hence, our method presents a new tool for building an ecohydrological model that includes deterministic parameters of mechanical significance.
英文关键词	Vegetation variation Hydrological processes Ecosystems Semi-arid climate
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000793118800003
WOS关键词	CATCHMENT WATER-BALANCE ; BUDYKO HYPOTHESIS ; PRECIPITATION ; DYNAMICS ; NDVI ; EVAPOTRANSPIRATION ; FRAMEWORK ; RESPONSES ; IMPACTS ; RUNOFF
WOS类目	Environmental Sciences ; Public, Environmental & Occupational Health
WOS研究方向	Environmental Sciences & Ecology ; Public, Environmental & Occupational Health
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/392496
推荐引用方式 GB/T 7714	Fang, Qingqing,Wang, Guoqiang,Zhang, Shanghong,et al. A novel ecohydrological model by capturing variations in climate change and vegetation coverage in a semi-arid region of China[J],2022,211.
APA	Fang, Qingqing.,Wang, Guoqiang.,Zhang, Shanghong.,Peng, Yang.,Xue, Baolin.,...&Shrestha, Sangam.(2022).A novel ecohydrological model by capturing variations in climate change and vegetation coverage in a semi-arid region of China.ENVIRONMENTAL RESEARCH,211.
MLA	Fang, Qingqing,et al."A novel ecohydrological model by capturing variations in climate change and vegetation coverage in a semi-arid region of China".ENVIRONMENTAL RESEARCH 211(2022).