2008年第5报PDF形式574KB.PDF

海 氷 概 報 海 氷 概 報 第 ５ 報 第 ５ 報 2008年5月 最大値 今冬 平年値 （網かけは平年並の範囲） 最小値 今冬のオホーツク海の海氷域面積の経過図(2008年5月31日まで) 札幌管区気象台 札幌管区気象台 目 次 1. 解 説 ·························································································································· 1 1.1 用 語 ··························································································································1 1.2 海氷の種類とその記号 ···································································································1 2. 海 氷 概 況······················································································································ 2 3. オホーツク海の海氷分布図·································································································· 3 4. 北海道沿岸の海氷状況（2007年12月～2008年 5月） ································································ 5 4.1 海氷状況 ··················································································································· 5 4.2 日別氷量変化図 ·········································································································· 6 5. 参 考 資 料······················································································································ 7 5.1 オホーツク海30年平均半旬別氷縁図(1970/1971～1999/2000) ·············································7 5.2 流氷初終日等の平年値(1971～2000年の平均) ····································································9