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文章在上东河小流域研究了不同分辨率DEM数据对SWAT模型输出结果的影响。不同DEM数据通过30 m DEM数据重采样获得(40 m-100 m)。结果显示,流域坡度对DEM的分辨率较为敏感,DEM分辨率对其它因子影响较小。
The article studies the effect of different resolution DEM data on the output of SWAT model in the small watershed of the Upper Donghe River. Different DEM data was resampled by 30 m DEM data (40 m-100 m). The results show that the slope gradient is more sensitive to the resolution of DEM, and DEM resolution has less effect on other factors.