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A simple regional snow hydrological process-based snow depth model and its application in the Upper Yangtze River Basin
Ren, Yanqun1,2; Liu, Suxia1,3
2019-04-01
Source PublicationHYDROLOGY RESEARCH
ISSN0029-1277
Volume50Issue:2Pages:672-690
Corresponding AuthorLiu, Suxia(liusx@igsnrr.ac.cn)
AbstractSnow depth plays a significant role in the regional water balance, for which snowfall is usually determined by a fixed temperature threshold in regional snow research. This study developed a regional hydrological process-based snow depth model in the Upper Yangtze River Basin by using spatially distributed critical temperature data derived from Moderate Resolution Imaging Spectroradiometer (MODIS) data and station data. Based on meteorological station and remotely sensed data, daily snow hydrological components from 1 August 2003 to 31 July 2015 were simulated. Results show that the simulated snow depth patterns agreed with those of the observed snow depth. The multi-year average of the starting date and ending date of snow duration was 16 October and 6 June, respectively, and that of maximum annual snowfall was approximately 455 mm, of which canopy interception comprised 10%, with a maximum value of 50 mm. The proportion of snow sublimation was less than 20%, which was contributed by interception sublimation (40%), snow surface sublimation (40%) and sublimation underneath the canopy (20%). The maximum annual snow sublimation was 29 mm. Snow melting was the primary snow consumption pathway, and approximately 70% of snowfall melted. This research is significant for the assessment and management of water resources in this region.
Keywordcritical temperature hydrological model MODIS snow depth simulation Upper Yangtze River Basin
DOI10.2166/nh.2019.079
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China project[2017YFA0603702] ; National Basic Research Program of China (973 Program)[2012CB957802]
Funding OrganizationNational Key Research and Development Program of China project ; National Basic Research Program of China (973 Program)
WOS Research AreaWater Resources
WOS SubjectWater Resources
WOS IDWOS:000466557300017
PublisherIWA PUBLISHING
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/59715
Collection中国科学院地理科学与资源研究所
Corresponding AuthorLiu, Suxia
Affiliation1.Chinese Acad Sci, Key Lab Water Cycle & Related Land Surface Proc, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 110049, Peoples R China
3.Univ Chinese Acad Sci, Coll Environm & Resources, Sino Danish Ctr, Beijing 110049, Peoples R China
Recommended Citation
GB/T 7714
Ren, Yanqun,Liu, Suxia. A simple regional snow hydrological process-based snow depth model and its application in the Upper Yangtze River Basin[J]. HYDROLOGY RESEARCH,2019,50(2):672-690.
APA Ren, Yanqun,&Liu, Suxia.(2019).A simple regional snow hydrological process-based snow depth model and its application in the Upper Yangtze River Basin.HYDROLOGY RESEARCH,50(2),672-690.
MLA Ren, Yanqun,et al."A simple regional snow hydrological process-based snow depth model and its application in the Upper Yangtze River Basin".HYDROLOGY RESEARCH 50.2(2019):672-690.
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