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Effect of DEM Resolution and Meteorological Data on Runoff SWAT Simulation of Yongcui River Small Watershed in Cold Region
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Li-na ZHANG, Ying-na SUN, Zhi-peng SHEN, Jin-hui HU
Water Resources and Power | 2023, 41(10) : 19 - 22
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Water Resources and Power | 2023, 41(10): 19-22
• HYDROLOGY, WATER RESOURCES AND ENVIRONMENT •
Effect of DEM Resolution and Meteorological Data on Runoff SWAT Simulation of Yongcui River Small Watershed in Cold Region
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Li-na ZHANG, Ying-na SUN, Zhi-peng SHEN, Jin-hui HU
Affiliations
  • School of Hydraulic and Electric Power, Heilongjiang University, Harbin 150080, China
Published: 2023-10-25 doi: 10.20040/j.cnki.1000-7709.2023.20221921
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Due to the existence of snow, melting snow and frozen soil, the hydrological cycle in cold regions has its particularity. In order to probe into the hydrological law of small watershed in cold region and simulate the process of runoff formation, the hydrological data of Yongcuihe River basin from 1994 to 2015 were selected as the research area. The SWAT model for runoff simulation in cold region was constructed, and the applicability of DEM with different resolution, as well as three kinds of meteorological data, CMADS data set and CFSR data set, in Yongcuihe River basin was analyzed. The results show that the SWAT model can simulate the runoff process of Yongcuihe River. DEM resolution has a great impact on the extraction of watershed features, but has no obvious effect on runoff simulation. The applicability of different meteorological data has significant difference, the simulation effect of measured meteorological data is the best, the simulation effect of CMADS data set is better, and the simulation effect of CFSR data set is worse, which provides a reference for further study of small watershed in cold region.

SWAT  /  cold regions  /  small watershed  /  runoff simulation  /  DEM  /  weather data
Li-na ZHANG, Ying-na SUN, Zhi-peng SHEN, Jin-hui HU. Effect of DEM Resolution and Meteorological Data on Runoff SWAT Simulation of Yongcui River Small Watershed in Cold Region[J]. Water Resources and Power, 2023 , 41 (10) : 19 -22 . DOI: 10.20040/j.cnki.1000-7709.2023.20221921
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20221921
  • Receive Date：2022-09-15
  • Online Date：2026-01-28
  • Published：2023-10-25
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  • Received：2022-09-15
  • Revised：2023-01-18
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    School of Hydraulic and Electric Power, Heilongjiang University, Harbin 150080, China
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https://castjournals.cast.org.cn/joweb/sdnykx/EN/10.20040/j.cnki.1000-7709.2023.20221921
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多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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