About ITO YASUHIKO
About 国立研究開発法人土木研究所寒地土木研究所
About SAKURAI TOSHIMITSU
About 国立研究開発法人土木研究所寒地土木研究所
About MATSUZAWA MASARU
About 国立研究開発法人土木研究所寒地土木研究所
About 雪氷研究大会講演要旨集(Web)
About protection forest
About snow storm
About wind speed
About branch
About wind direction
About tree height
About dependence
About spacing
About planting density
About snow protection
About road traffic
About Hokkaido
About mass flow rate
About altitude dependence
About planting spacing
About drifting snow
About snow protection forest
About Natural disasters
About Glaciologic engineering,cold region construction
About 防雪林
About 吹雪
About 風速