Elucidations of Tsushima Warm Current path and its branch mechanism by using Long Range Ocean Radar
| Project/Area Number |
25247076
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| Research Category |
Grant-in-Aid for Scientific Research (A)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Meteorology/Physical oceanography/Hydrology
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| Research Institution | Ehime University (2015-2016)
Nagoya University (2013-2014) |
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Principal Investigator |
Morimoto Akihiko 愛媛大学, 沿岸環境科学研究センター, 教授 (80301323)
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| Co-Investigator(Kenkyū-buntansha) |
滝川 哲太郎 独立行政法人水産大学校, 海洋生産管理学科, 准教授 (10371741)
雨谷 純 国立研究開発法人情報通信研究機構, 沖縄電磁波技術センター, センター長 (30358949)
藤井 智史 琉球大学, 工学部, 教授 (30359004)
市川 香 九州大学, 応用力学研究所, 准教授 (40263959)
杉谷 茂夫 国立研究開発法人情報通信研究機構, 沖縄電磁波技術センター, 研究員 (70643170)
広瀬 直毅 九州大学, 応用力学研究所, 教授 (70335983)
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| Project Period (FY) |
2013-04-01 – 2017-03-31
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| Project Status |
Completed (Fiscal Year 2016)
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| Budget Amount *help |
¥44,200,000 (Direct Cost: ¥34,000,000、Indirect Cost: ¥10,200,000)
Fiscal Year 2016: ¥5,720,000 (Direct Cost: ¥4,400,000、Indirect Cost: ¥1,320,000)
Fiscal Year 2015: ¥8,710,000 (Direct Cost: ¥6,700,000、Indirect Cost: ¥2,010,000)
Fiscal Year 2014: ¥9,230,000 (Direct Cost: ¥7,100,000、Indirect Cost: ¥2,130,000)
Fiscal Year 2013: ¥20,540,000 (Direct Cost: ¥15,800,000、Indirect Cost: ¥4,740,000)
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| Keywords | 海洋レーダ / 対馬暖流 / 対馬海峡 / バイスタティックレーダ |
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| Outline of Final Research Achievements |
We have carried out continuously sea surface current observation by using Ocean Radars which are installed Tsushima in Nagasaki Prefecture and Aishima in Yamaguchi Prefecture in order to reveal existence of 2nd branch of the Tsushima Warm Current which flows along 200-m isobath after passing through the Tsushima Strait and its seasonal variation. We have tried to develop new type of Ocean Radar System. It was succeeded from Ocean Radar observation that 1st branch of the Tsushima Warm Current along 100-m isobath and 2nd branch along 200-m isobath were captured. We have developed new type of Ocean Radar, which radio wave emits from one Radar site and reflected radio wave from ocean surface are received at two Radar site. We have carried out continuously observation by using the new Ocean Radar, and we can measure sea surface current at 170 km far from Radar site.
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Report
(5 results)
Research Products
(28 results)
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[Presentation] 分散型海洋レーダの実験2017
Author(s)
杉谷 茂夫, 雨谷 純, 岩井 宏徳, 久島 萌人, 森本 昭彦, 藤井 智史, 滝川 哲太郎, 市川 香
Organizer
日本地球惑星科学連合発表会
Place of Presentation
千葉県・幕張市 幕張メッセ
Year and Date
2017-05-20
Related Report
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[Presentation] 遠距離海洋レーダによる対馬暖流分岐流のバイスタティク観測2016
Author(s)
杉谷 茂夫, 雨谷 純, 岩井 宏徳, 久島 萌人, 森本 昭彦, 藤井 智史, 滝川 哲太郎, 市川 香
Organizer
九州大学応用力学研究所 共同研究集会「海洋レーダを用いた海況監視システムの開発と応用」
Place of Presentation
福岡県・大野城市 九州大学
Year and Date
2016-12-15
Related Report
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[Presentation] The Tsushima Warm Current in the southwestern Japan Sea measured by Long Range Ocean Radar and bottom mounted acoustic Doppler current profilers2015
Author(s)
Takikawa, T., Morimoto, A., Sugitani, S., Kyushima, M., Ichikawa, K., Ito, M., Fujii, S., Iwai, H., Amagai, J.
Organizer
AOGS 12the Annual Meeting
Place of Presentation
Singapore
Year and Date
2015-08-02
Related Report
Int'l Joint Research
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[Presentation] Observation of the Tsushima Warm Current paths using Long Range Ocean Radar2015
Author(s)
Morimoto, A., Sugitani, S., Takikawa, T., Kyushima, M., Ichikawa, K., Fujii, S., Iwai, H., Amagai, J.
Organizer
The 18th Pacific-Asian Marginal Seas Meeting
Place of Presentation
Naha, Okinawa
Year and Date
2015-04-21
Related Report
Int'l Joint Research
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[Presentation] Wind-induced variation of the first branch of the Tsushima Warm Current in the southwestern Japan Sea detected by sea level difference in summer to autumn 20132015
Author(s)
Takikawa, T., Watanabe, T., Senjyu, T., Morimoto, A., Hirose, N.
Organizer
The 18th Pacific-Asian Marginal Seas Meeting
Place of Presentation
Naha, Okinawa
Year and Date
2015-04-21
Related Report
Int'l Joint Research
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