Using glacier area ratio to quantify effects of melt water on runoff
Zhang, YQ; Luo, Y; Sun, L; Liu, SY; Chen, X; Wang, XL
2016
Source PublicationJOURNAL OF HYDROLOGY
ISSN0022-1694
Volume538Pages:269-277
AbstractTwenty-four headwater catchments with varying glacier area ratios (GARs) in the Eastern and Central Tian Shan Mountains were simulated by the glacier-enhanced Soil and Water Assessment Tool (SWAT) model from 1961 to 2007. The mean catchment GAR ranges between 0.7% and 44.8% with a mean of 8.6%. Through synthetic analysis of the glacio-hydrological processes simulation results of the catchments, it was found that the GAR is an effective index that can be used to interpret quantitatively the varying influences of glaciers on runoff across catchments. Among the twenty-four catchments, the ratio of glacier melt contribution (RGMC) to runoff varies between 3.5% and 67.5% with a mean of 24.0%; the ratio of ice melt contribution (RIMC) between 1.4% and 35.8% with a mean of 10.5%; the ratio of ice melt in glacier melt between 33.4% and 59.1% with a mean of 43.4%; the runoff coefficient (RC) between 0.24 and 0.90 with a mean of 0.52; and the coefficient of variation (CV) of runoff between 0.10 and 0.29 with a mean of 0.18. Based on synthetic analysis, it was found that (1) power functions fit the relations between RGMC, RIMC, RC, and CV and GAR with high certainty; (2) the CV decreases with increasing GAR while others increase; and (3) these power functions change sensitively with GAR when GAR is less than 10%, implicating that a small change in GAR may cause remarkable changes in RGMC, RIMC, RC, and CV in the less glacierized catchments. (C) 2016 Published by Elsevier B.V.
SubtypeJournal
KeywordGlacier area ratio Glacier melt Runoff coefficient Coefficient of variation of runoff SWAT
Subject AreaEngineering ; Geology ; Water Resources
WOS Subject ExtendedEngineering, Civil ; Geosciences, Multidisciplinary ; Water Resources
WOS KeywordCLIMATE-CHANGE ; RIVER-BASIN ; NORTHWEST CHINA ; CENTRAL-ASIA ; TIANSHAN MOUNTAINS ; TIEN-SHAN ; PRECIPITATION ; STREAMFLOW ; SNOWMELT ; SIMULATION
Indexed BySCI
Language英语
WOS IDWOS:000378360600023
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/44218
Collection生态系统网络观测与模拟院重点实验室_生态网络实验室
Recommended Citation
GB/T 7714
Zhang, YQ,Luo, Y,Sun, L,et al. Using glacier area ratio to quantify effects of melt water on runoff[J]. JOURNAL OF HYDROLOGY,2016,538:269-277.
APA Zhang, YQ,Luo, Y,Sun, L,Liu, SY,Chen, X,&Wang, XL.(2016).Using glacier area ratio to quantify effects of melt water on runoff.JOURNAL OF HYDROLOGY,538,269-277.
MLA Zhang, YQ,et al."Using glacier area ratio to quantify effects of melt water on runoff".JOURNAL OF HYDROLOGY 538(2016):269-277.
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