2015

12912917:30

Samuel Morin
Nander Wever

10

1112

TEL: 0136-44-2221
95
JR
10
Phone : 0258-35-8933, E-mail: yamasan@bosai.go.jp
Phone: 052-789-3480, E-mail: knishi@nagoya-u.jp

国際 雪・雪崩シンポジウム in ニセコプログラム
場所：ニセコ町民センター（北海道虻田郡ニセコ町富士見 95）
日時：2015 年 12 月 9 日～12 日

12 月 9 日（水）オープンシンポジウム（17：30 開始）「雪崩発生危険度を予測する」

安全・安心のための気象情報の活用
半井小絵（気象予報士）
ニセコにおける雪崩事故防止とその考え方
新谷暁生（ニセコ雪崩調査所）
ニセコを対象とした雪崩発生予測の試み
西村浩一（名古屋大学）
Avalanche hazard forecasting in France : missions, tools and prospects
Samuel Morin （フランス気象局）

通訳あり

Swiss avalanche warning service
Nander Wever （スイス雪・雪崩研究所）通訳あり
防災科学技術研究所における雪崩予測への取り組みの紹介
山口悟（防災科学技術研究所）

Workshop on “MICROSTRUCTURES OF SNOW”
積雪構造に関するワークショップ
Thursday, December 10
9:00“Advances and prospects in physically-based snowpack modeling”

Samuel Morin (Météo-France - CNRS)
9:30"Specific surface area of new snow"

Satoru Yamaguchi (National Research Institute for Earth Science and Disaster
Prevention)
10:00"Shape modelling of ice particles using micro-CT data for snow radiativetransfer calculations"

Hiroshi Ishimoto (Meteorological Research Institute)
10:30 – 10:45

Break10:45 "Dynamics of idealized snow stratifications: Time-lapse tomography of near-crust
metamorphism"

Henning Löwe (WSL Institute for Snow and Avalanche Research SLF)
11:15 "Shear Strength Tests of Artificial Surface Hoar Formed in a Wind Tunnel""

Toshihiro Ozeki (Hokkaido University of Education)
11:45 "Mobile shear-box for snow"

Evgeny Podolskiy (Hokkaido University)
12:15 – 13:30

Lunch

13:30 "Visualization of liquid distribution in wet snow using X-ray CT and MR"

Satoru Adachi (National Research Institute for Earth Science and DisasterPrevention)
14:00 "Modeling of Liquid water infiltration using three-dimensional model in thesnowpack"

Hiroyuki Hirashima (National Research Institute for Earth Science andDisaster Prevention)

Workshop on “AVALANCHE DYNAMICS”
雪崩(なだれ)ダイナミクスに関するワークショップ
Thursday, December 10
14:30 “Infrasound tripartite array for detection and estimation of locations of snow
avalanches”

Nobuo ARAI (Nagoya University)
15:00 – 15:30

Break

15:30 “Snow avalanches from a seismological point of view (1995-2015)”

Emma Suriñach (Universitat de Barcelona )16:00 “Variations in snow glide rates prior to full-depth avalanche release on shrub
slopes in the temperate heavy-snow region of Japan”

Katsuhisa Kawashima (Niigata University)
16:30 “Snow-atmosphere interactions driving snow accumulation in steep terrain”

Rebecca Motto (WSL Institute for Snow and Avalanche Research SLF)
17:00 “CFD prediction of snowdrift around a building based on two transport equationsof drifting snow densities”

Tsubasa Okaze (Tohuku University)

Friday, December 11
9:00 “Investigation of the 2015 Langtang ice-rock avalanche induced by the 2015
Gorkha Earthqueake, Nepal Himalaya”

Koji Fujita (Nagoya University)
9:30"Assessing wet snow avalanche risks from detailed snowpack simulations"

Nander Wever (WSL Institute for Snow and Avalanche Research SLF)
10:00 “Forcing snow avalanche dynamics calculations with modelled snowcover data:applications in Switzerland and Chile”

Cesar Vera Valoro (WSL Institute for Snow and Avalanche Research SLF)
10:30 – 10:45 Break
10:45 “Simulation of snow avalanche based on snowpacked model”

Kenichi Oda (Nihon University)

11:15 “Simple particle model for granular flow with head-tail structure”

Hirofumi Niiya (Nagoya University)

11:45 “Probabilistic hazard map with a Polynomial Chaos Quadrature method-Application for a northern slope of Mount Fuji-“Kae Tsunematsu (Mount Fuji Research Institute), Kouich Nishimura (NagoyaUniversity), Keisuke Mori (CTC)
12:15 – 13:30 Lunch
13:30 “Mathematical Approach for Pattern Dynamics on the Surface of Granular Bed”

Hiraku Nishimori (Hiroshima University)
14:00 “Splash Process due to Grain Impact on Granular Bed”

Takahiro Tanabe (Hiroshima University)
14:30 “Swimming in sand: velocity, efficiency, controlling, and interaction”

Takashi Shimada (University of Tokyo)
15:00 – 15:30 Break
15:30 “Grain-size segregation by the shear”

Ryo Itoh, Takahiro Hatano (Earthquake Research Institute, University of Tokyo)
16:00 “Avalanche contribution to shear modulus of granular materials near jamming”

Michio Otsuki (Shimane University)
16:30 “Granular Avalanche driven by vertical vibration”

Daisuke Tsuji, Hiroaki Katsuragi (Nagoya University)
17:00 “Pressure in vibrated granular bed”

Hiroaki Katsuragi (Nagoya University)

Saturday, December 12
9:00 “Taconnaz and Lautaret full-scale avalanche test-site and 3935 other Frenchavalanche paths”

Florence Naaim (IRSTEA)
9:30 "On the internal structure of snow avalanches from data collected at the Vallèe dela Sionne test site"

Betty Sovila (WSL Institute for Snow and Avalanche Research SLF)

10:00 "Dynamical lessons from the Vallèe de la Sionne test site"

Jim McElwaine (Durham University)

10:30 “Future directions in avalanche dynamics research: lessons learnt from theRyggfonn experiments, knowledge gaps and new opportunities”

Dieter Issler (Norwegian Geotechnical Institute)
11:00 "Full-scale snow avalanche experiment in Niseko"

Kouichi Nishimura (Nagoya University)

Discussion