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Study on the Relationship between Snowmelt Runoff for Different Latitudes and Vegetation Growth Based on an Improved SWAT Model in Xinjiang, China

by 1, 2, 1, 1,* and 1,*
1
College of Atmospheric and Remote Sensing, Binjiang College of Nanjing University of Information Science & Technology, Wuxi 214105, China
2
College of Geographical Science, Inner Mongolia Normal University, Hohhot 010022, China
*
Authors to whom correspondence should be addressed.
Sustainability 2021, 13(3), 1189; https://doi.org/10.3390/su13031189
Received: 17 December 2020 / Revised: 20 January 2021 / Accepted: 21 January 2021 / Published: 23 January 2021
Rivers located in high altitude mountainous areas provide a large number of water resources and are also high-risk areas for seasonal snow melt floods. The accurate calculation and simulation of snow melting processes can provide reliable data for flood disaster prediction. In order to make the Soil and Water Assessment Tool (SWAT) model more suitable for high altitude mountainous areas, the effect of the daily accumulated temperature on the precipitation pattern and snow melting is fully considered. Applying the modified model to three mountain systems with different latitudes in Xinjiang can not only improve our understanding of the characteristics of snowmelt flooding but can also be used to test the applicability of the modified model. Through comparison, it was found that the simulation accuracy of the modified model of the flood peak value was improved by 56.19%. The correlation coefficient between the Normalized Difference Vegetation Index (NDVI) and snowmelt increased from 0.27 to 0.68. This study provides a new method for accurately understanding the process of snowmelt runoff in the mountainous area and provides new insights into the effects of snowmelt runoff on vegetation growth at different latitudes. View Full-Text
Keywords: SWAT model; snowmelt; floods; accumulated temperature; NDVI SWAT model; snowmelt; floods; accumulated temperature; NDVI
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MDPI and ACS Style

Duan, Y.; Luo, M.; Guo, X.; Cai, P.; Li, F. Study on the Relationship between Snowmelt Runoff for Different Latitudes and Vegetation Growth Based on an Improved SWAT Model in Xinjiang, China. Sustainability 2021, 13, 1189. https://doi.org/10.3390/su13031189

AMA Style

Duan Y, Luo M, Guo X, Cai P, Li F. Study on the Relationship between Snowmelt Runoff for Different Latitudes and Vegetation Growth Based on an Improved SWAT Model in Xinjiang, China. Sustainability. 2021; 13(3):1189. https://doi.org/10.3390/su13031189

Chicago/Turabian Style

Duan, Yongchao, Min Luo, Xiufeng Guo, Peng Cai, and Fu Li. 2021. "Study on the Relationship between Snowmelt Runoff for Different Latitudes and Vegetation Growth Based on an Improved SWAT Model in Xinjiang, China" Sustainability 13, no. 3: 1189. https://doi.org/10.3390/su13031189

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