SIGMA (Snow Impurity and Glacial Microbe effects on abrupt warming in the Arctic)

Japan Society for the Promotion of Science (JSPS),
Grant-in-Aid for Scientific Research (S), 23221004


SIGMA project workshop

The 3rd SIGMA workshopi6-8 March 2013j

Snow Impurity and Glacial Microbe effects on the abrupt warming in the Arctic (SIGMA)
The 3rd SIGMA Workshop in Tazawako


6-8 March 2013
Tazawako Sports Center
73-75 Shimotakano, Tazawako-Obonai,
Senboku-shi, Akita 014-1201, Japan


Wednesday, 6 March

13:30 - 14:00 Convene Workshop, opening remarks - Teruo Aoki

1. Keynote lecture - Chair: Teruo Aoki

14:00 - 15:00 Martin Schneebeli, WSL Institute for Snow and Avalanche Research SLF
   The geometry of snow as seen by tomography and near-infrared photography

2. Snow microphysics and the measurement technique - Chair: Teruo Aoki

15:00 - 15:25 Satoru Yamaguchi, Snow and Ice Research Center, NIED
   Relationship between wet snow and SSA
15:25 - 15:50 Akihiko Hachikubo, Kitami Institute of Technology
   Measurement of the specific surface area of snow by using gas adsorption method

15:50 - 16:10 Break

16:10 - 16:35 Hiroki Motoyoshi, Snow and Ice Research Center, NIED
   Falling snow particle observation at Nagaoka
16:35 - 17:00 Yukiyoshi Iwata, National Agricultural Research Center for Hokkaido Region
   Estimation of snowmelt period at the field applying snowmelt agency: A research plan
17:00 - 17:25 Ken Motoya, Akita University
   TBD

3. Field observation in the Arctic (1) - Chair: Satoru Yamaguchi

17:25 - 17:50 Masashi Niwano, Meteorological Research Institute
   Diagnosing the extreme surface melt event at site SIGMA-A northwest Greenland observed during the 2012 summer intensive field observation

Reception party


Thursday, 7 March

4. Field observation in the Arctic (2) - Chair: Satoru Yamaguchi

08:30 - 08:55 Konosuke Sugiura, JAMSTEC
   Distribution of the blowing snow sublimation in Greenland using reanalysis datasets
08:55 - 09:20 Teruo Aoki, Meteorological Research Institute
   Snow impurities and albedo variation measured at SIGMA-A on Greenland ice sheet
09:20 - 09:45 Sumito Matoba, Hokkaido University
   Melting record of 19m firn/ice core from Site-A.
09:45 - 10:10 Shin Sugiyama, Hokkaido University
   Ice mass loss in northwestern Greenland
10:10 - 10:35 Hideaki Motoyama, National Institute of Polar Research
   Studies on global warming in 1920's using various ice cores in the Arctic.

10:35 - 10:55 Break

5. Regional and global model - Chair: Shin Sugiyama

10:55 - 11:20 Akihiro Hashimoto, Meteorological Research Institute
   Numerical simulation of the rainfall event in Greenland during SIGMA-IOP2012
11:20 - 11:45 Taichu Tanaka, Meteorological Research Institute
   Simulation of BC and dust deposition over Greenland
11:45 - 12:10 Masahiro Hosaka, Meteorological Research Institute
   MRI Land Surface Model HAL (tentative)

12:10 - 13:30 Lunch break

6. Glacial Microbes - Chair: Sumito Matoba

13:30 - 13:55 Nozomu Takeuchi, Chiba University
   Biogeochimical characteristics of impurities on Greenland icesheet
13:55 - 14:20 Michaera Musilova, University of Bristol
   Organic matter production in a laboratory modified Takeuchi experiment
14:20 - 14:55 Jun Uetake, National Institute of Polar Research
   Bacterial in cryoconite formation process in Northwestern Greenland
14:55 - 15:20 Naoko Nagatsuka, Chiba University
   Variations in Sr and Nd isotopic ratios of cryoconite on glaciers in Asia, Alaska, Greenland

15:20 - 15:40 Break

7. Satellite Remote Sensing - Chair: Nozomu Takeuchi

15:40 - 16:05 Rigen Shimada, Chiba University and Meteorological Research Institute
   Comparative study between Greenland ice sheet surface temperature and reflectance
16:05 - 16:30 Katsuyuki Kuchiki, Meteorological Research Institute
   Snow physical parameters retrieved from MODIS over northwestern Greenland
16:30 - 16:55 Masahiro Hori, JAXA, EORC
   Angular dependent emissivity model of snow and ice in the TIR and its applications
16:55 - 17:20 Tomonori Tanikawa, Stevens Institute of Technology
   Angular dependence on degree of linear polarization of snow

17:20 - 18:00 Group meeting


Friday, 8 March

8. Closing sessions - Chair: Teruo Aoki

08:30 - 10:00 Wrap-up of all discussions - Chair Teruo Aoki

10:00 - 10:15 Break

10:15 - 12:00 Group discussion for field activities in 2013 (in Japanese)

12:00 Adjourn


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