長岡における積雪観測資料(16)(1991.11〜1992.4)

概要

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Daily data on snowfall and snow cover observed at the Nagaoka Institute of Snow and Ice Studies in the 1991/92 winter season are reported. These data include the following items : weather condition, depth and water equivalent of snow cover, and depth, cumulative depth, water equivalent and density of newly fallen snow. The observation was carried out in the same way as Kobayashi et al. (1990), for example, with the automatic snow depth meter by an infrared technique for snow depth and the metal wafar for water equivalent of snow cover. It was warm in succession for six winter seasons and we had little snow in the 1991/92 winter. The maximum snow depth was only 60 cm recorded on February 23 in 1992 and the cumulative depth of newly fallen snow was 376 cm. These values were the second and fourth smallest records, respectively, since the snow cover observation at our institute was started in December, 1964.
独立行政法人防災科学技術研究所の論文
1992-07-30