About TAKAMATSU YASUSHI
About 北大 公共政策大学院
About 北海道地区自然災害科学資料センター報告
About Hokkaido
About cold region
About natural disaster
About disaster prevention planning
About risk
About meteorological phenomenon
About heavy snow
About snow storm
About alarm
About disorder/trouble/obstacle
About traffic
About property
About resilience
About prevention
About restoration
About disaster prevention
About robustness
About rapidity
About redundancy(property)
About efficiency
About vulnerability
About Natural disasters
About 積雪寒冷地
About リスク