Glaciological and meteorological observations at the SIGMA-D site, northwestern Greenland Ice Sheet

Sumito Matoba, Hideaki Motoyama, Koji Fujita, Tetsuhide Yamasaki, Masahiro Minowa, Yukihiko Onuma, Yuki Komuro, Teruo Aoki, Satoru Yamaguchi, Shin Sugiyama, Hiroyuki Enomoto

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3 Citations (Scopus)

Abstract

During spring 2014, we drilled an ice core on the northwestern Greenland Ice Sheet, recovering a core of total length 225 m. We also conducted stratigraphic observations, measurements of the density of the ice core, near-infrared photography of the ice core, preparation of liquid samples for chemical analysis, and measurements of borehole temperature. The pore close-off depth was 60 m, and the temperature in the borehole was -25.6°c at a depth of 10 m. In addition, we conducted snow-pit observations, ice-velocity and surface-elevation measurements using the global positioning system (GPS), meteorological observations, and installation of an automated weather station (AWS).

Original languageEnglish
Pages (from-to)7-14
Number of pages8
JournalBulletin of Glaciological Research
Volume33
DOIs
Publication statusPublished - 2015
Externally publishedYes

Keywords

  • Automated weather station
  • Greenland ice Sheet
  • Ice core
  • Ice velocity
  • Qaanaaq

ASJC Scopus subject areas

  • Earth-Surface Processes

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  • Cite this

    Matoba, S., Motoyama, H., Fujita, K., Yamasaki, T., Minowa, M., Onuma, Y., Komuro, Y., Aoki, T., Yamaguchi, S., Sugiyama, S., & Enomoto, H. (2015). Glaciological and meteorological observations at the SIGMA-D site, northwestern Greenland Ice Sheet. Bulletin of Glaciological Research, 33, 7-14. https://doi.org/10.5331./bgr.33.7