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Preliminary results from an ice core of the Tsambagarav studies glacier in the Mongolian Altai

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Title
Preliminary results from an ice core of the Tsambagarav studies glacier in the Mongolian Altai
Other Titles
몽골 참바그라브에서 획득한 빙하의 연구결과보고
Authors
Kim, Sun-Mi
Hong, Sungmin
Seong Jun Joon
Hong, Sang-Bum
Shugui Hou
Chung, Ji Woong
Lee, Jeonghoon
Hur, Soon Do
Luvsanchultem Jargal
Keywords
Stable water isotope; Tsambagarav glacier
Issue Date
2012
Citation
Kim, Sun-Mi, et al. 2012. Preliminary results from an ice core of the Tsambagarav studies glacier in the Mongolian Altai. Shinshu University. Shinshu University. 2012.03.03~.
Abstract
The upper 12m of the ice core from the Tsambagarav glacier in the Mongolian Altai extracted in the summer of 2008 (the whole length of ice core is approximately 40m) has been analyzing for stable water isotopes (dD and d18O). The dD and deuterium excess (d-excess, d=8d18O-dD) show distinct seasonal variations, which has not been observed in the previous studies, although the linear regression between dD vs. d18O indicates isotopic retribution by meltwater percolation (the dD vs. d18O slope of the analyzed ice core, 6.7, is less than that of the global meteoric water line of 8). Our accumulation based on a five point moving average applied to the stable water isotope is 0.87 +-0.30m (summer peak to summer peak, approximately 14 years) per year for the first 12m of ice. The distinct seasonal variations will be used for age estimation for the entire ice core.
URI
http://repository.kopri.re.kr/handle/201206/8451
Conference Name
Shinshu University
Conference Place
Shinshu University
Conference Date
2012.03.03~
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