(Article of periodic en Anglais - 2010)

Document title

Influence of supraglacial debris on summer ablation and mass balance in the 24K Glacier, southeast Tibetan Plateau

Authors(s) and Affiliation(s)

WEI Y. (1) ; TANDONG Y. (1 2) ; BAIQING X. (1) ; HANG Z. (1) ;
(1) Key Lab. of Tibetan Environment Changes and Land Surface Processes, Inst. of Tibetan Plateau Research, CAS, Beijing, CHINE
(2) State Key Lab. of Cryospheric Sciences, Cold and Arid Regions Environmental and Engineering Research Inst., CAS, Beijing, CHINE


Many temperate glaciers in the southeast Tibetan Plateau are covered by supraglacial debris in the ablation area. To evaluate the effect of such debris on summer ablation and mass balance, the surface ablation on the 24K Glacier was measured in the summer of 2008. Mean ablation rates varied from 10 to 52 mm/day, strongly correlated to debris thickness. Synchronous observations of air temperature allowed application of a simple degree-day model to calculate ablation rates. Maximum values of both ablation rate and degree-day factors appeared in the middle area of the glacier where the debris layer thickness was about 1 cm. The simulated daily ablation obtained from the degree-day approach showed that the debris layers significantly affected the total summer ablation


Article of periodic

published at : Geografiska annaler. Series A. Physical geography / ISSN 0435-3676 / CODEN GAPGAP

Editor : Svenska sällskapet för antropologi och geografi, Stockholm - SUEDE (1965)

Millesime : 2010, vol. 92, no3 [pp. 353-360]

Bibliographic references : 27 ref.

Collation : 7 fig., 1 tabl.




Digital Object Identifier

Go to electronic document thanks to its DOI : doi:10.1111/j.1468-0459.2010.00400.x

Tous droits réservés © Prodig - Bibliographie Géographique Internationale (BGI), 2011
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