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Ice thickness measurements of Guliya ice cap, western Kunlun Mountains (Tibetan Plateau), China
Kutuzov, S (Kutuzov, Stanislav)1,2; Thompson, LG (Thompson, Lonnie G.)1; Lavrentiev, I (Lavrentiev, Ivan)2; Tian, LD (Tian, Lide)3
Source PublicationJOURNAL OF GLACIOLOGY
2018
Volume64Issue:248Pages:977-989
DOI10.1017/jog.2018.91
Abstract

Despite their high value and importance for various glaciological applications, detailed ice thickness measurements of alpine glaciers are still very limited. Knowledge of bedrock topography is essential for paleoglaciological studies. The Guliya ice cap located on the Tibetan Plateau is one of the highest and largest ice caps in mid-low latitude regions. A detailed ground-penetrating radar (GPR) survey was conducted on the Guliya ice cap in 2015 using 20 and 40 MHz frequency antennas. An empirical Bayesian kriging method was used for ice thickness interpolation and uncertainty assessment. GPR measurements revealed complex basal topography of the Guliya glacier with a maximum thickness of 371.12 +/- 13 m. The internal reflections caused by changes in the dielectric properties were registered on the 40 MHz radargrams at the summit and were attributed to density variations. As a result of this fieldwork, one of the largest ice thickness datasets in High Mountain Asia was obtained. Guliya glacier elevation changes were assessed by differencing digital elevation models. The glacier gained mass from 2000 to 2015 with an average rate of 0.270 +/- 0.11 m w.e. a(-1) at the summit and 0.279 +/- 0.11 m w.e. a(-1) at the lower elevations.

Subject AreaPhysical Geography ; Geology
WOS IDWOS:000454427700011
Language英语
Indexed BySCIE
KeywordGround-penetrating Radar Glacier Changes Tien-shan Volume Cores Runoff Models Errors Flow Asia
WOS SubjectGeography, Physical ; Geosciences, Multidisciplinary
Cooperation Status国际
ISSN0022-1430
Department环境变化与地表过程重点实验室
PublisherCAMBRIDGE UNIV PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/8482
Collection图书馆
Affiliation1.Ohio State Univ, Byrd Polar & Climate Res Ctr, Columbus, OH 43210 USA;
2.Russian Acad Sci, Inst Geog, Moscow, Russia;
3.Chinese Acad Sci, Key Lab Tibetan Environm Changes & Land Surface P, Inst Tibetan Plateau Res, Beijing, Peoples R China.
Recommended Citation
GB/T 7714
Kutuzov, S ,Thompson, LG ,Lavrentiev, I ,et al. Ice thickness measurements of Guliya ice cap, western Kunlun Mountains (Tibetan Plateau), China[J]. JOURNAL OF GLACIOLOGY,2018,64(248):977-989.
APA Kutuzov, S ,Thompson, LG ,Lavrentiev, I ,&Tian, LD .(2018).Ice thickness measurements of Guliya ice cap, western Kunlun Mountains (Tibetan Plateau), China.JOURNAL OF GLACIOLOGY,64(248),977-989.
MLA Kutuzov, S ,et al."Ice thickness measurements of Guliya ice cap, western Kunlun Mountains (Tibetan Plateau), China".JOURNAL OF GLACIOLOGY 64.248(2018):977-989.
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