長岡における積雪の断面観測資料(1988.12〜1989.2)

概要

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Profile observations of physical properties of snow cover in Nagaoka were carried out every day, from December 1988 to February 1989. Items of observation are as follows;snow depth (HS), snow temperature (T), grain shape of snow (F), grain size of snow (D), Canadian hardness of snow (CR), snow density (ρ), water equivatent of snow (HW), weather and air temperature. The results of observation are summarized as follows;(a) Maximum depth of new snow onto the old snow cover was 22cm, and new snow density and hardness ranged from 0.058 to 0.184 g/cm^3, and from 0.005 to 0.090 kgf/cm^2, respectively. (b) Maximum snow depth and maximum water equivatent of total snow cover were 56cm and 92.5mm, respectively, and mean snow density over total snow cover was in the range from 0.082 to 0.403 g/cm^3.
独立行政法人防災科学技術研究所の論文
1989-08-22