Development and testing of a dynamic CO2 input method in SWAT for simulating long-term climate change impacts across various climatic locations

Yingqi Zhang,Junyu Qi, Dongmei Pan,Gary W. Marek,Xueliang Zhang,Puyu Feng,Haipeng Liu,Baogui Li,Beibei Ding,David K. Brauer,Raghavan Srinivasan,Yong Chen

Journal of Hydrology（2022）

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摘要

•Dynamic CO2 input method in SWAT was developed and successfully tested at multisite.•Climate change impacts for 3 centuries in various climatic locations were evaluated.•ETc, irrigation, and corn yield respond sensitively to the dynamic CO2 input method.•Future irrigation, ETc, and yield decreased significantly across sites and overtime.•Elevated Tmin was the key reason for the declining future yield.

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关键词

Hydrological modeling,SWAT-CO2,Global climate change,General Circulation Models (GCMs),Irrigated agriculture,U.S. High Plains

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