略語大辞典 [Geo] 28 OOZ open ocean zone 開海洋域. 冬期に氷で覆われるが夏期は氷の影響が及ばない海域.open ocean zone; an ocean zone that canbe covered by ice in winter but is unaffected by ice melting during summer; ref. MIZ(marginal ice zone), CPIZ(closed pack ice zone), CCSZ(coastal and continental shelf zone); [G 丸善「略語大辞典」JLogosID : 11881659