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短波海洋レーダを用いた宗谷暖流の長期連続観測
江淵, 直人;深町, 康;大島, 慶一郎;三寺, 史夫;西岡, 純;高塚, 徹;小野, 数也;石川, 正雄;大坊, 孝春;白澤, 邦男;若土, 正曉
Permalink : http://hdl.handle.net/2115/91851
JaLCDOI : 10.14943/lowtemsci.82.17
KEYWORDS : 宗谷暖流;短波海洋レーダ;表層流速;オホーツク海;Soya Warm Current;HF ocean radar;surface current velocity;Sea of Okhotsk
Abstract
北大低温研は，宗谷暖流のモニタリングを目的として，宗谷海峡域および紋別－雄武海域に５基の短波海洋レーダを設置し，2003年8月から表層流速場の連続観測を行ってきた．無線局免許の問題や機材の老朽化により，2022年3月に海洋レーダの運用は終了したが，18年7か月の貴重なデータが得られた．本稿では，この海洋レーダと得られた観測結果について概説する．
We installed five High Frequency (HF) ocean radars at the Soya Strait and Mombetsu-Ohmu region in the Sea of Okhotsk to monitor the Soya Warm Current (SWC), which flows from the Sea of Japan to the Sea of Okhotsk through the Soya/La Perouse Strait. The ocean radars had been operated for 19 years since August 2003. In this article, we summarize results from the long-term observation of the Soya Warm Current by the HF ocean radars.
We installed five High Frequency (HF) ocean radars at the Soya Strait and Mombetsu-Ohmu region in the Sea of Okhotsk to monitor the Soya Warm Current (SWC), which flows from the Sea of Japan to the Sea of Okhotsk through the Soya/La Perouse Strait. The ocean radars had been operated for 19 years since August 2003. In this article, we summarize results from the long-term observation of the Soya Warm Current by the HF ocean radars.
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