An Analysis of Uncertainties in Evaluating Future Climate Change Impacts on Cotton Production and Water Use in China
文献类型： 外文期刊
作者： Yuan, Ruixue 1 ; Wang, Keyu 3 ; Ren, Dandan 4 ; Chen, Zhaowang 1 ; Guo, Baosheng 5 ; Zhang, Haina 5 ; Li, Dan 5 ; Zhao, Cunpeng 5 ; Han, Shumin 1 ; Li, Huilong 1 ; Zhang, Shuling 2 ; Liu, De Li 6 ; Yang, Yanmin 1 ;
作者机构： 1.Chinese Acad Sci, Inst Genet & Dev Biol, Ctr Agr Resources Res, Shijiazhuang 050021, Peoples R China
2.Hebei Univ, Coll Life Sci, Baoding 071002, Peoples R China
3.Liaocheng Hydrol Ctr, Liaocheng 252000, Peoples R China
4.Linyi Univ, Coll Carbon Neutral, Sch Resources & Environm, Linyi 276000, Peoples R China
5.Hebei Acad Agr & Forestry Sci, Cotton Inst, Shijiazhuang 050051, Peoples R China
6.Wagga Wagga Agr Inst, NSW Dept Primary Ind, Wagga Wagga, NSW 2650, Australia
关键词： climatic change; cotton; APSIM; model; ET
期刊名称：AGRONOMY-BASEL （ 影响因子：3.4； 五年影响因子：3.8 ）
ISSN：
年卷期： 2025 年 15 卷 5 期
页码：
收录情况： SCI
摘要： Global Climate Models (GCMs) are a primary source of uncertainty in assessing climate change impacts on agricultural production, especially when relying on limited models. Considering China's vast territory and diverse climates, this study utilized 22 GCMs and selected three representative cotton-producing regions: Aral (northwest inland region), Wangdu (Yellow River basin), and Changde (Yangtze River basin). Using the APSIM model, we simulated climate change effects on cotton yield, water consumption, uncertainties, and climatic factor contributions. Results showed significant variability driven by different GCMs, with uncertainty increasing over time and under radiation forcing. Spatial variations in uncertainty were observed: Wangdu exhibited the highest uncertainties in yield and phenology, while Changde had the greatest uncertainties in ET (evapotranspiration) and irrigation amount. Key factors affecting yield varied regionally-daily maximum temperature and precipitation dominated in Aral; precipitation was a major negative factor in Wangdu; and maximum temperature and solar radiation were critical in Changde. This study provides scientific support for developing climate change adaptation measures tailored to cotton production across different regions.
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