秋田市における最大積雪深の時系列特性(第2報) Time Series Characteristics of the Maximum Depth of Snow Cover in Akita City, Honshu Island of Japan -Second Report-

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This is the second report which concerned with the regional characteristic analysis of winter weather situations in Akita City, using the time series data of maximum depth of snow cover (Smax) and various kinds of meteorological data.<BR>Snow disasters in this city would appear in the snow cover depth more than 50cm which had been decreasing especially after 1945.<BR>On the other hand, mid-winter temperature in this city has a tendency to increase gradually in recent years. A periodicity for Smax and √St (integration of daily snow cover depth) were found approximately as 88years and llyears, however, warmer winter's periodicity was not recognized at statistical analysis.<BR>The days of daily snow cover depth which is increased are only 35, of which 50% occupies 1 to 3cm/day, and its occurrence rate follows statistically to the exponen-tial rule.<BR>To summarize a winter weather situation, a statistical potential index was investigated that consists of several winter meteorological factors. The proposed index proved as an effective potential index to evaluate snow disasters and winter weather in snowy regions. In recent years, the index is most likely to decrease.<BR>According to the Fractal dimension (D) analysis of Smax, D was found as 1.388 in Akita City. Consequently, D is the one of reference indices for analyzing the regional characteristics of Smax.

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  • 日本雪工学会誌 : journal of snow engineering  

    日本雪工学会誌 : journal of snow engineering 13(2), 154-166, 1997-04 

    Japan Society for Snow Engineering

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各種コード

  • NII論文ID(NAID)
    10002537059
  • NII書誌ID(NCID)
    AN10063773
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09133526
  • NDL 記事登録ID
    4193980
  • NDL 雑誌分類
    ZN1(科学技術--建設工学・建設業)
  • NDL 請求記号
    Z16-1548
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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