IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2015  > Vol12 No.2
Energy Balance-Based SWAT Model to Simulate the Mountain Snowmelt and Runoff – Taking the Application in Juntanghu Watershed (China) as an Example
MENG Xian-Yong; YU Dan-Lin; LIU Zhi-Hui
Corresponding AuthorYU Dan-Lin
2015-03
Source PublicationJournal of Mountain Science
ISSN1672-6316
Volume12Issue:2Pages:368-381
Subtype期刊论文
Other AbstractIn order to predict long-term flooding under extreme weather conditions in central Asia, an energy balance-based distributed snowmelt runoff model was developed and coupled with the Soil and Water Assessment Tool (SWAT) model. The model was tested at the Juntanghu watershedon the northern slope of the TianShan Mountains, Xinjiang, China. We compared the performances of temperature-index method and energy balanced method in SWAT model by taking Juntanghu river basin as an application example (as the simulation experiment was conducted in Juntanghu River, we call the energy balanced method as SWAT-JTH). The results suggest that the SWAT snowmelt model had overall Nash-Sutcliffe efficiency (NSE) coefficients ranging from 0.61 to 0.85 while the physical based approach had NSE coefficients ranging from 0.58 to 0.69. Overall, on monthly scale, the SWAT model provides better results than that from the SWAT-JTH model. However, results generated from both methods seem to be fairly close at a daily scale. The structure of the temperature-index method is simple and produces reasonable simulation results if the parameters are well within empirical ranges. Although the data requirement for the energy balance method in current observation is difficult to meet and the existence of uncertainty is associated with the experimental approaches of physical processes, the SWAT-JTH model still produced a reasonably high NSE. We conclude that using temperature-index methods to simulate the snowmelt process is sufficient, but the energy balance-based model is still a good choice to simulate extreme weather conditions especially when the required data input for the model is acquired.
KeywordSwat Snowmelt Model The Physical Process Energy Balance Temperature-index Water Balance
DOI10.1007/s11629-014-3081-6
Indexed BySCI
Language英语
Citation statistics
Cited Times:26[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/7974
CollectionJournal of Mountain Science_Journal of Mountain Science-2015_Vol12 No.2
Corresponding AuthorYU Dan-Lin
Recommended Citation
GB/T 7714
MENG Xian-Yong,YU Dan-Lin,LIU Zhi-Hui. Energy Balance-Based SWAT Model to Simulate the Mountain Snowmelt and Runoff – Taking the Application in Juntanghu Watershed (China) as an Example[J]. Journal of Mountain Science,2015,12(2):368-381.
APA MENG Xian-Yong,YU Dan-Lin,&LIU Zhi-Hui.(2015).Energy Balance-Based SWAT Model to Simulate the Mountain Snowmelt and Runoff – Taking the Application in Juntanghu Watershed (China) as an Example.Journal of Mountain Science,12(2),368-381.
MLA MENG Xian-Yong,et al."Energy Balance-Based SWAT Model to Simulate the Mountain Snowmelt and Runoff – Taking the Application in Juntanghu Watershed (China) as an Example".Journal of Mountain Science 12.2(2015):368-381.
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