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Glacier mass variation and its effect on surface runoff in the Beida River catchment during 1957-2013
Wang, S (Wang, Sheng)1,3; Yao, TD (Yao, Tandong)1; Tian, LD (Tian, Lide)1; Pu, JC (Pu, Jianchen)2; Yao, TD
Source PublicationJOURNAL OF GLACIOLOGY
2017
Volume63Issue:239Pages:523-534
DOI10.1017/jog.2017.13
AbstractUsing in-situ measured data from Qiyi Glacier, in combination with meteorological and runoff data from stations, a distributed degree-day model was developed for 631 investigated glaciers in the Beida River catchment to explore glacier mass change and its effect on streamflow. The results showed that the average mass balance was -272 +/- 67 mm w.e. a(-1), with an ice loss of 3.99 Gt during 1957-2013. Assuming a continuous linear trend, equilibrium line altitude rose by 242 m. Compared with morpho-topographic variables, climatic control is a more important factor affecting glacier change. Mass-balance sensitivity to air temperature was - 239 mm w.e.degrees C-1 a(-1), while to precipitation it was +1.1 mm w.e. mm(-1) a(-1). That is, a 210 mm increase in precipitation would be needed to compensate for the net mass loss induced by an air temperature increase of 1 degrees C. Average annual glacier meltwater runoff was 1.51 x 10(8) m(3) from 1957 to 2013, accounting for 15.2% of surface runoff. The time series of meltwater runoff changed abruptly in 2000, and its contribution to surface runoff increased from 13.9 to 20.4%.
Subject Area自然地理学
WOS IDWOS:000401649100011
Language英语
Indexed BySCI
KeywordSEA-LEVEL RISE MOUNTAIN GLACIERS TIBETAN PLATEAU BALANCE MODEL ICE CAPS RADIATION 21ST-CENTURY SWITZERLAND SENSITIVITY NORWAY
WOS Research AreaPhysical Geography; Geology
WOS SubjectGeography, Physical; Geosciences, Multidisciplinary ; Physical Geography; Geology
Cooperation Status国内
SubtypeArticle
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/8231
Collection图书馆
Corresponding AuthorYao, TD
Affiliation1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing, Peoples R China.
2.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Cryospher Sci, Lanzhou, Peoples R China.
3.Univ Chinese Acad Sci, Beijing, Peoples R China.
Recommended Citation
GB/T 7714
Wang, S ,Yao, TD ,Tian, LD ,et al. Glacier mass variation and its effect on surface runoff in the Beida River catchment during 1957-2013[J]. JOURNAL OF GLACIOLOGY,2017,63(239):523-534.
APA Wang, S ,Yao, TD ,Tian, LD ,Pu, JC ,&Yao, TD.(2017).Glacier mass variation and its effect on surface runoff in the Beida River catchment during 1957-2013.JOURNAL OF GLACIOLOGY,63(239),523-534.
MLA Wang, S ,et al."Glacier mass variation and its effect on surface runoff in the Beida River catchment during 1957-2013".JOURNAL OF GLACIOLOGY 63.239(2017):523-534.
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