Rice water requirement exacerbates groundwater depletion in Northeast China under a changing climate
In recent years, Northeast China (NEC) has emerged as a key rice production region. However, the region’s scarce precipitation and surface water availability raise concerns about groundwater over intensive rice cultivation. Using the process-based rice model ORYZA (v3), we assessed irrigation water...
| Autores principales: | , , , , , , , , , |
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| Formato: | Journal Article |
| Lenguaje: | Inglés |
| Publicado: |
Elsevier
2025
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| Materias: | |
| Acceso en línea: | https://hdl.handle.net/10568/175943 |
| _version_ | 1855524178466177024 |
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| author | Zhao, Yuanbo Li, Tao Zhao, Jin Zhang, Zhentao Liu, Runze Shi, Yanying Ma, Haoyu Zhao, Chuang Liu, Zhijuan Yang, Xiaoguang |
| author_browse | Li, Tao Liu, Runze Liu, Zhijuan Ma, Haoyu Shi, Yanying Yang, Xiaoguang Zhang, Zhentao Zhao, Chuang Zhao, Jin Zhao, Yuanbo |
| author_facet | Zhao, Yuanbo Li, Tao Zhao, Jin Zhang, Zhentao Liu, Runze Shi, Yanying Ma, Haoyu Zhao, Chuang Liu, Zhijuan Yang, Xiaoguang |
| author_sort | Zhao, Yuanbo |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | In recent years, Northeast China (NEC) has emerged as a key rice production region. However, the region’s scarce precipitation and surface water availability raise concerns about groundwater over intensive rice cultivation. Using the process-based rice model ORYZA (v3), we assessed irrigation water demand and groundwater depletion under two irrigation regimes - Flood (FLD) Irrigation and Alternative Wet-dry (AWD) Irrigation - across two climate change scenarios (SSP1–2.6 and SSP5–8.5). Results indicated a substantial increase in irrigation water demand (28.6 % to 52.3 %) and groundwater depletion ratio (23.6 % to 53.0 %) under future climate scenarios, with higher impacts under the more extreme SSP5–8.5 pathway. Spatial analysis revealed that regions with larger rice cultivation areas, particularly in Sanjiang Plain, are more vulnerable to groundwater depletion. Furthermore, the benefits of AWD irrigation in mitigating water stress decline under climate change, with reductions in groundwater extraction alleviation (by 7.6 % to 7.9 %) and water use efficiency improvement (by 8.1 % to 8.3 %). These findings underscore the urgent need for spatially optimized rice cultivation and adaptive irrigation strategies tailored to ensure long-term groundwater sustainability and regional food security. |
| format | Journal Article |
| id | CGSpace175943 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2025 |
| publishDateRange | 2025 |
| publishDateSort | 2025 |
| publisher | Elsevier |
| publisherStr | Elsevier |
| record_format | dspace |
| spelling | CGSpace1759432025-10-26T13:02:36Z Rice water requirement exacerbates groundwater depletion in Northeast China under a changing climate Zhao, Yuanbo Li, Tao Zhao, Jin Zhang, Zhentao Liu, Runze Shi, Yanying Ma, Haoyu Zhao, Chuang Liu, Zhijuan Yang, Xiaoguang rice production systems flood irrigation groudwater depletion climate change water demand water resources agricultural water management sustainability food security In recent years, Northeast China (NEC) has emerged as a key rice production region. However, the region’s scarce precipitation and surface water availability raise concerns about groundwater over intensive rice cultivation. Using the process-based rice model ORYZA (v3), we assessed irrigation water demand and groundwater depletion under two irrigation regimes - Flood (FLD) Irrigation and Alternative Wet-dry (AWD) Irrigation - across two climate change scenarios (SSP1–2.6 and SSP5–8.5). Results indicated a substantial increase in irrigation water demand (28.6 % to 52.3 %) and groundwater depletion ratio (23.6 % to 53.0 %) under future climate scenarios, with higher impacts under the more extreme SSP5–8.5 pathway. Spatial analysis revealed that regions with larger rice cultivation areas, particularly in Sanjiang Plain, are more vulnerable to groundwater depletion. Furthermore, the benefits of AWD irrigation in mitigating water stress decline under climate change, with reductions in groundwater extraction alleviation (by 7.6 % to 7.9 %) and water use efficiency improvement (by 8.1 % to 8.3 %). These findings underscore the urgent need for spatially optimized rice cultivation and adaptive irrigation strategies tailored to ensure long-term groundwater sustainability and regional food security. 2025-08 2025-08-04T03:02:04Z 2025-08-04T03:02:04Z Journal Article https://hdl.handle.net/10568/175943 en Limited Access Elsevier Zhao, Yuanbo, Tao Li, Jin Zhao, Zhentao Zhang, Runze Liu, Yanying Shi, Haoyu Ma, Chuang Zhao, Zhijuan Liu, and Xiaoguang Yang. "Rice water requirement exacerbates groundwater depletion in Northeast China under a changing climates." Agricultural and Forest Meteorology 371 (2025): 110624. |
| spellingShingle | rice production systems flood irrigation groudwater depletion climate change water demand water resources agricultural water management sustainability food security Zhao, Yuanbo Li, Tao Zhao, Jin Zhang, Zhentao Liu, Runze Shi, Yanying Ma, Haoyu Zhao, Chuang Liu, Zhijuan Yang, Xiaoguang Rice water requirement exacerbates groundwater depletion in Northeast China under a changing climate |
| title | Rice water requirement exacerbates groundwater depletion in Northeast China under a changing climate |
| title_full | Rice water requirement exacerbates groundwater depletion in Northeast China under a changing climate |
| title_fullStr | Rice water requirement exacerbates groundwater depletion in Northeast China under a changing climate |
| title_full_unstemmed | Rice water requirement exacerbates groundwater depletion in Northeast China under a changing climate |
| title_short | Rice water requirement exacerbates groundwater depletion in Northeast China under a changing climate |
| title_sort | rice water requirement exacerbates groundwater depletion in northeast china under a changing climate |
| topic | rice production systems flood irrigation groudwater depletion climate change water demand water resources agricultural water management sustainability food security |
| url | https://hdl.handle.net/10568/175943 |
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