Enlightenments of spatio-temporal varied hydrological processes on water supply for agricultural irrigation in a semi-arid area
Study region: Yuxi River Basin, a typical semi-arid region between the Mu Us Sandy Land and the Loess Plateau. Study focus: In arid and semi-arid regions, limited research has addressed how hydrological processes affect irrigation demand, especially under varying evaporation and recharge conditions....
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Elsevier
2025-06-01
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| Series: | Journal of Hydrology: Regional Studies |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S221458182500237X |
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| author | Xiaoying Qiao Jiaxin Bian Ziyu Wang Qian Zhang Ning Wang Lei Shi Yue You |
| author_facet | Xiaoying Qiao Jiaxin Bian Ziyu Wang Qian Zhang Ning Wang Lei Shi Yue You |
| author_sort | Xiaoying Qiao |
| collection | DOAJ |
| description | Study region: Yuxi River Basin, a typical semi-arid region between the Mu Us Sandy Land and the Loess Plateau. Study focus: In arid and semi-arid regions, limited research has addressed how hydrological processes affect irrigation demand, especially under varying evaporation and recharge conditions. This research gap constrains water resources utilization and ecosystem protection. By combining the stable isotope method with water resources assessment, this study analyzed the hydrologic characteristics and proposed a coordinated surface–groundwater irrigation strategy based on spatiotemporal dynamics of evaporation and recharge. New hydrological insights: In most areas of the Yuxi River basin, groundwater is the main source of the river, accounting for 89.24 % and 88.18 % of river recharge during dry and wet periods, respectively. Except for June, river water remains a reliable source for agricultural irrigation during the irrigation season. Reservoirs and lakes significantly influence local evaporation and surface–groundwater interactions, with distinct spatio-temporal differences in the upstream and midstream sections. Furthermore, due to the combined influence of groundwater, tributaries, evaporation, and open water bodies, there is river water recharging groundwater in areas around river confluences, lakes, and res-ervoirs, with recharge percentages reaching 90.98 % and 81.63 % during dry and wet periods, respectively. Thus, groundwater should be the preferred irrigation source in these areas during May, July, and August. This isotope-based method offers scientific guidance for sustainable irrigation management in arid and semi-arid regions. |
| format | Article |
| id | doaj-art-e3573685956b4595a5e735e6418a9573 |
| institution | OA Journals |
| issn | 2214-5818 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Hydrology: Regional Studies |
| spelling | doaj-art-e3573685956b4595a5e735e6418a95732025-08-20T01:55:37ZengElsevierJournal of Hydrology: Regional Studies2214-58182025-06-015910241210.1016/j.ejrh.2025.102412Enlightenments of spatio-temporal varied hydrological processes on water supply for agricultural irrigation in a semi-arid areaXiaoying Qiao0Jiaxin Bian1Ziyu Wang2Qian Zhang3Ning Wang4Lei Shi5Yue You6School of Water and Environment, Chang’an University, Xi’an 710054, China; Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of Ministry of Education, Chang’an University, Xi’an 710054, China; Key Laboratory of Eco-hydrology and Water Security in Arid and Semi-arid Regions of Ministry of Water resources, Chang'an University, Xi’an 710054, ChinaSchool of Water and Environment, Chang’an University, Xi’an 710054, China; Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of Ministry of Education, Chang’an University, Xi’an 710054, China; Key Laboratory of Eco-hydrology and Water Security in Arid and Semi-arid Regions of Ministry of Water resources, Chang'an University, Xi’an 710054, ChinaSchool of Water and Environment, Chang’an University, Xi’an 710054, China; Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of Ministry of Education, Chang’an University, Xi’an 710054, China; Key Laboratory of Eco-hydrology and Water Security in Arid and Semi-arid Regions of Ministry of Water resources, Chang'an University, Xi’an 710054, ChinaSchool of Water and Environment, Chang’an University, Xi’an 710054, China; Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of Ministry of Education, Chang’an University, Xi’an 710054, China; Key Laboratory of Eco-hydrology and Water Security in Arid and Semi-arid Regions of Ministry of Water resources, Chang'an University, Xi’an 710054, China; Shaanxi Provincial Academy of Environmental Science, Xi'an 710061, ChinaSchool of Water and Environment, Chang’an University, Xi’an 710054, China; Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of Ministry of Education, Chang’an University, Xi’an 710054, China; Key Laboratory of Eco-hydrology and Water Security in Arid and Semi-arid Regions of Ministry of Water resources, Chang'an University, Xi’an 710054, China; Corresponding author at: School of Water and Environment, Chang’an University, Xi’an 710054, China.School of Water and Environment, Chang’an University, Xi’an 710054, China; Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of Ministry of Education, Chang’an University, Xi’an 710054, China; Key Laboratory of Eco-hydrology and Water Security in Arid and Semi-arid Regions of Ministry of Water resources, Chang'an University, Xi’an 710054, ChinaSchool of Water and Environment, Chang’an University, Xi’an 710054, China; Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of Ministry of Education, Chang’an University, Xi’an 710054, China; Key Laboratory of Eco-hydrology and Water Security in Arid and Semi-arid Regions of Ministry of Water resources, Chang'an University, Xi’an 710054, ChinaStudy region: Yuxi River Basin, a typical semi-arid region between the Mu Us Sandy Land and the Loess Plateau. Study focus: In arid and semi-arid regions, limited research has addressed how hydrological processes affect irrigation demand, especially under varying evaporation and recharge conditions. This research gap constrains water resources utilization and ecosystem protection. By combining the stable isotope method with water resources assessment, this study analyzed the hydrologic characteristics and proposed a coordinated surface–groundwater irrigation strategy based on spatiotemporal dynamics of evaporation and recharge. New hydrological insights: In most areas of the Yuxi River basin, groundwater is the main source of the river, accounting for 89.24 % and 88.18 % of river recharge during dry and wet periods, respectively. Except for June, river water remains a reliable source for agricultural irrigation during the irrigation season. Reservoirs and lakes significantly influence local evaporation and surface–groundwater interactions, with distinct spatio-temporal differences in the upstream and midstream sections. Furthermore, due to the combined influence of groundwater, tributaries, evaporation, and open water bodies, there is river water recharging groundwater in areas around river confluences, lakes, and res-ervoirs, with recharge percentages reaching 90.98 % and 81.63 % during dry and wet periods, respectively. Thus, groundwater should be the preferred irrigation source in these areas during May, July, and August. This isotope-based method offers scientific guidance for sustainable irrigation management in arid and semi-arid regions.http://www.sciencedirect.com/science/article/pii/S221458182500237XAgriculture water supplyHydrological cycleStable isotopesEvaporation lossRecharge mechanismEnd-member mixing effect |
| spellingShingle | Xiaoying Qiao Jiaxin Bian Ziyu Wang Qian Zhang Ning Wang Lei Shi Yue You Enlightenments of spatio-temporal varied hydrological processes on water supply for agricultural irrigation in a semi-arid area Journal of Hydrology: Regional Studies Agriculture water supply Hydrological cycle Stable isotopes Evaporation loss Recharge mechanism End-member mixing effect |
| title | Enlightenments of spatio-temporal varied hydrological processes on water supply for agricultural irrigation in a semi-arid area |
| title_full | Enlightenments of spatio-temporal varied hydrological processes on water supply for agricultural irrigation in a semi-arid area |
| title_fullStr | Enlightenments of spatio-temporal varied hydrological processes on water supply for agricultural irrigation in a semi-arid area |
| title_full_unstemmed | Enlightenments of spatio-temporal varied hydrological processes on water supply for agricultural irrigation in a semi-arid area |
| title_short | Enlightenments of spatio-temporal varied hydrological processes on water supply for agricultural irrigation in a semi-arid area |
| title_sort | enlightenments of spatio temporal varied hydrological processes on water supply for agricultural irrigation in a semi arid area |
| topic | Agriculture water supply Hydrological cycle Stable isotopes Evaporation loss Recharge mechanism End-member mixing effect |
| url | http://www.sciencedirect.com/science/article/pii/S221458182500237X |
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