干旱区生态环境知识资源中心(Arid): Estimating non-productive water losses in irrigated Platycladus orientalis plantations in semi-arid mountainous: Based on stable isotopes

Arid

DOI	10.1016/j.scitotenv.2024.173279
	Estimating non-productive water losses in irrigated Platycladus orientalis plantations in semi-arid mountainous: Based on stable isotopes
	Zhang, Yu; Zhang, Mingjun; Qiang, Yuquan; Lu, Rui; Che, Cunwei
通讯作者	Zhang, MJ
来源期刊	SCIENCE OF THE TOTAL ENVIRONMENT
ISSN	0048-9697
EISSN	1879-1026
出版年	2024
卷号	934
英文摘要	Planted forests in semi-arid regions provide invaluable ecological functions such as windbreak, sand fixation, carbon fixation, and oxygen release, improving the ecological environment and maximizing the carbon sink benefits of forests. Therefore, accurately assessing non-productive water losses in water-scarce regions is crucial for estimating water requirements of irrigation-dependent plantations. From March to October 2023, we collected the stable isotopes of precipitation, irrigation water, soil water, and other relevant data. The Craig- Gordon model was used to evaluate the non-productive water losses in irrigated Platycladus orientalis plantations, focusing on the dissipation and vertical migration process under both sufficient and insufficient water supply conditions. The results demonstrated that preferential flow and piston flow coexisted during soil water infiltration, while both types occurred under sufficient watering conditions, but piston flow dominated when there was insufficient watering. We estimated the average non-productive losses for irrigated P. orientalis plantations at 27.0 %, with peak losses up to 40.3 %. Moreover, we observed a lower rate of non-productive losses under sufficient water supply conditions (12.2 %) compared with insufficient water supply conditions (33.6 %). Our results indicated that vertical migration pathway of soil water emerged as a significant determinant factor affecting non-productive water losses, and also influenced by meteorological factors, water inputs, and soil properties. To optimize water utilization in semi-arid irrigated mountainous plantations, we recommend reducing amount of each irrigation and increasing frequency of irrigation.
英文关键词	Artificial forest Evaporation loss Irrigation Stable isotopes Infiltration
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:001298472700001
WOS关键词	SOIL-WATER ; HYDROGEN ISOTOPES ; EVAPORATION ; EVAPOTRANSPIRATION ; OXYGEN ; PRECIPITATION ; FRACTIONATION ; PERSPECTIVES ; SEASONALITY ; CATCHMENT
WOS类目	Environmental Sciences
WOS研究方向	Environmental Sciences & Ecology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/405503
推荐引用方式 GB/T 7714	Zhang, Yu,Zhang, Mingjun,Qiang, Yuquan,et al. Estimating non-productive water losses in irrigated Platycladus orientalis plantations in semi-arid mountainous: Based on stable isotopes[J],2024,934.
APA	Zhang, Yu,Zhang, Mingjun,Qiang, Yuquan,Lu, Rui,&Che, Cunwei.(2024).Estimating non-productive water losses in irrigated Platycladus orientalis plantations in semi-arid mountainous: Based on stable isotopes.SCIENCE OF THE TOTAL ENVIRONMENT,934.
MLA	Zhang, Yu,et al."Estimating non-productive water losses in irrigated Platycladus orientalis plantations in semi-arid mountainous: Based on stable isotopes".SCIENCE OF THE TOTAL ENVIRONMENT 934(2024).