津軽海峡西口における漂流瓶投入結果について (第2報)
1959 年 15 巻 1 号 p. 5-10
詳細
1959 年 15 巻 1 号 p. 5-10
Succeeding to the 1st report, the results of drift-bottles experiments at the West entrance of Tugaru Strait, Hokkaido, Japan, which were carried out twelve times during April 1957 to March 1958, are summarized in this report. The main features are follows:-
(1) On the recovering ofdrift-bottles, “SUMMER TYPE” and “WINTER TYPE” were observed like in the 1st report.
(2) Three hundred and five drift-bottles were recovered (452 drift-bottles in the last experiments) and 53% of them were drifted to the coasts of the Japan and Okhotsk Sea (33 % in the last experiments), 34 % to the coast of Tugaru Strait (39 %) and 13 % to the coast of Pacific (28 %).
(3) Seven drift-bottles were drifted during April to August to the coast of Okhotsk Sea where none drifted in the last experiments.
(4) The most of drift-bottles which dropped near the coast at the station No.1, 2, 9 and 10 were recovered along the coast of Tugaru Strait and Pacific. But the most of drift-bottles which dropped off the coast at the station No.3 to 8 were recovered on the coast of Japan Sea.
