Glaciological observations in 2012 and 2013 at SIGMA-A site, Northwest Greenland

Satoru Yamaguchi, Sumito Matoba, Tetsuhide Yamazaki, Akane Tsushima, Masashi Niwano, Tomonori Tanikawa, Teruo Aoki

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Glaciological observations were conducted in 2012 and 2013 at the SIGMA-A site on the northwest Greenland ice sheet (78° 03'06"N, 67° 37'42"W, 1490 m a.s.l.) as part of the Snow Impurity and Glacial Microbe effects on abrupt warming in the Arctic (SIGMA) project. The meteorological conditions during the two observations were quite different. The meteorological condition during the 2012 observation period was warm, and heavy rainfall occurred during the observation period, thus the snow was very wet. In contrast, the meteorological condition during the observation period in 2013 was cold, with a blowing snow event, thus the snow was quite dry. The glaciological observations in 2012 consisted of 1) snow-stake measurements, 2) snow pit observations, 3) grain size observations for validation of satellite-derived snow products, 4) snow specific surface area measurements using a near-infrared camera, 5) snow sampling for chemical analyses, and 6) drilling of firn cores with a hand auger. The glaciological observations in 2013 consisted of 1) snow-stake measurements, 2) snow pit observations, and 3) snow sampling for chemical analyses.

Original languageEnglish
Pages (from-to)95-105
Number of pages11
JournalBulletin of Glaciological Research
Volume32
Issue number1
DOIs
Publication statusPublished - 2014
Externally publishedYes

Fingerprint

snow
blowing snow
firn
sampling
ice sheet
near infrared
grain size
surface area
warming
drilling
rainfall

Keywords

  • Accumulation area in northwest greenland
  • Glaciological observation
  • SIGMA project
  • SIGMA-A
  • Snow property

ASJC Scopus subject areas

  • Earth-Surface Processes

Cite this

Yamaguchi, S., Matoba, S., Yamazaki, T., Tsushima, A., Niwano, M., Tanikawa, T., & Aoki, T. (2014). Glaciological observations in 2012 and 2013 at SIGMA-A site, Northwest Greenland. Bulletin of Glaciological Research, 32(1), 95-105. https://doi.org/10.5331/bgr.32.95

Glaciological observations in 2012 and 2013 at SIGMA-A site, Northwest Greenland. / Yamaguchi, Satoru; Matoba, Sumito; Yamazaki, Tetsuhide; Tsushima, Akane; Niwano, Masashi; Tanikawa, Tomonori; Aoki, Teruo.

In: Bulletin of Glaciological Research, Vol. 32, No. 1, 2014, p. 95-105.

Research output: Contribution to journalArticle

Yamaguchi, S, Matoba, S, Yamazaki, T, Tsushima, A, Niwano, M, Tanikawa, T & Aoki, T 2014, 'Glaciological observations in 2012 and 2013 at SIGMA-A site, Northwest Greenland', Bulletin of Glaciological Research, vol. 32, no. 1, pp. 95-105. https://doi.org/10.5331/bgr.32.95
Yamaguchi S, Matoba S, Yamazaki T, Tsushima A, Niwano M, Tanikawa T et al. Glaciological observations in 2012 and 2013 at SIGMA-A site, Northwest Greenland. Bulletin of Glaciological Research. 2014;32(1):95-105. https://doi.org/10.5331/bgr.32.95
Yamaguchi, Satoru ; Matoba, Sumito ; Yamazaki, Tetsuhide ; Tsushima, Akane ; Niwano, Masashi ; Tanikawa, Tomonori ; Aoki, Teruo. / Glaciological observations in 2012 and 2013 at SIGMA-A site, Northwest Greenland. In: Bulletin of Glaciological Research. 2014 ; Vol. 32, No. 1. pp. 95-105.
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