The energetics and vertical structure of the Antarctic Circumpolar Currents and equatorial currents : a set of analyses based on a unified framework

• Project/Area Number: 21740351
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Meteorology/Physical oceanography/Hydrology
• Research Institution: Japan Agency for Marine-Earth Science and Technology
• Principal Investigator: AIKI Hidenori 独立行政法人海洋研究開発機構, 地球環境変動領域, 主任研究員 (60358752)
• Project Period (FY): 2009 – 2011
• Project Status: Completed (Fiscal Year 2011)
• Budget Amount: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000); Fiscal Year 2011: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000); Fiscal Year 2010: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000); Fiscal Year 2009: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
• Keywords: 海洋物理 / 気候変動 / 気象学 / 数値シミュレーション / 地球流体

Research Abstract

A unified framework for energy diagnosis has been developed to investigate the effect of bottom topography on currents as well as the interaction between currents and waves in the ocean. This framework has been applied to investigate the effect of the bottom topography of the Drake Passage on the Antarctic Circumpolar Current and also to the effect of the bottom topography of the Lombok Strait on the generation of tidal internal waves with their interaction with the Indonesian Throughflow. The thickness-weighted-mean framework in the studies of mesoscale eddy parameterization has been applied to describe the effect of surface waves on the upper ocean currents.

Research Products

• [Journal Article] Maintenance of the mean kinetic energy in the global ocean by the barotropic and baroclinic energy routes : the roles of JEBAR and Ekman dynamics (2011)
  • Author(s): H. Aiki, K J. Richards, H. Sakuma
  • Journal Title: Ocean Dynamics Volume: 61 Issue: 5 Pages: 675-700
  • DOI: 10.1007/s10236-011-0382-y
  • Peer Reviewed
• [Journal Article] Modeling and energetics of tidally generated wave trains in the Lombok Strait : impact of the Indonesian Throughflow (2011)
  • Author(s): H. Aiki, J. P. Matthews, K. G. Lamb
  • Journal Title: Journal of Geophysical Research. Oceans Volume: 116 Issue: C3
  • DOI: 10.1029/2010jc006589
  • Peer Reviewed
• [Journal Article] Monsoon regulation of Lombok Strait internal waves (2011)
  • Author(s): J. P. Matthews, H. Aiki, S. Masuda, T. Awaji, and Y. Ishikawa
  • Journal Title: Journal of Geophysical Research. Oceans Volume: 116 Issue: C5
  • DOI: 10.1029/2010jc006403
  • Peer Reviewed
• [Journal Article] Modeling and energetics of tidally generated wave trains in the Lombok Strait : impact of the Indonesian Throughflow (2011)
  • Author(s): H.Aiki
  • Journal Title: Journal of Geophysical Research-Oceans Volume: 116
  • Peer Reviewed
• [Presentation] Thicknessweighted-mean theory for the effect of surface gravity waves on mean flows in the upper ocean (2012)
  • Author(s): H. Aiki, R. J. Greatbatch
  • Organizer: Ocean Sciences Meeting 2012
  • Place of Presentation: Salt Lake City(アメリカ)
  • Year and Date: 2012-02-20
• [Presentation] Thickness-weighted-mean theory for the effect of surface gravity waves on mean flows in the upper ocean (2012)
  • Author(s): H.Aiki
  • Organizer: Ocean Sciences Meeting 2012
  • Place of Presentation: Salt Lake City, USA
  • Year and Date: 2012-02-20
• [Presentation] Similarities in the energetics of the ACC, mesoscale eddies, tidal internal waves, and surface gravity wave (2011)
  • Author(s): H. Aiki
  • Organizer: 18th AMS Conference on Atmospheric and OceanicFluid Dynamics
  • Place of Presentation: Spokane(アメリカ)
  • Year and Date: 2011-06-15
• [Presentation] Similarities in the energetics of the ACC, mesoscale eddies, tidal internal waves, and surface gravity waves (2011)
  • Author(s): H.Aiki
  • Organizer: 18^<th> AMS Conference on Atmospheric and Oceanic Fluid Dynamics
  • Place of Presentation: Spokane, USA
  • Year and Date: 2011-06-15
• [Presentation] Modeling and energetics of tidally generated wave trains in the Lombok Strait : Impact of the Indonesian Throughflow (2011)
  • Author(s): H. Aiki
  • Organizer: 3rd International Workshop onModeling the Ocean
  • Place of Presentation: Qingdao(中国)
  • Year and Date: 2011-06-06
• [Presentation] Modeling and energetics of tidally generated wave trains in the Lombok Strait : Impact of the Indonesian Throughflow (2011)
  • Author(s): H.Aiki
  • Organizer: 3^<rd> International Workshop on Modeling the Ocean
  • Place of Presentation: Qingdao, China
  • Year and Date: 2011-06-06
• [Presentation] 海洋の渦エネルギーフラックスの全球分布高解像モデルの診断 (2010)
  • Author(s): 相木秀則
  • Organizer: 東大大気海洋研究所共同利用研究集会:地球流体における流れの変動性と持続性の力学
  • Place of Presentation: 東京大学大気海洋研究所(千葉)
  • Year and Date: 2010-12-09
• [Presentation] 海洋の渦エネルギーフラックスの全球分布-高解像モデルの診断- (2010)
  • Author(s): 相木秀則
  • Organizer: 東大大気海洋研究所共同利用研究集会:地球流体における流れの変動性と持続性の力学
  • Place of Presentation: 東京大学大気海洋研究所(千葉)
  • Year and Date: 2010-12-09
• [Presentation] The combined pressure and potential energy flux in the global ocean (2010)
  • Author(s): 相木秀則
  • Organizer: 3rd OFES International Workshop
  • Place of Presentation: 海洋研究開発機構(神奈川)
  • Year and Date: 2010-11-05
• [Presentation] The combined pressure and potential energy flux in the global ocean (2010)
  • Author(s): 相木秀則
  • Organizer: 3rd OFES international workshop
  • Place of Presentation: 海洋研究開発機構(横浜)
  • Year and Date: 2010-11-05
• [Presentation] Tide-and typhoon-induced nonhydrostatic wave trains in deep seas (2010)
  • Author(s): H. Aiki
  • Organizer: 1st international workshop onnonhydrostatic numerical models
  • Place of Presentation: 京都大学(京都)
  • Year and Date: 2010-10-01
• [Presentation] Tide-and typhoon-induced nonhydrostatic wave trains in deep seas (2010)
  • Author(s): H.Aiki
  • Organizer: 1st international workshop on nonhydrostatic numerical models
  • Place of Presentation: 京都大学(京都)
  • Year and Date: 2010-10-01
• [Presentation] Maintenance of the mean kinetic energy in the global ocean by the barotropic and baroclinic energy routes (2010)
  • Author(s): H. Aiki
  • Organizer: 2nd InternationalWorkshop on Modeling the Ocean
  • Place of Presentation: OldDominionUniv.(アメリカ)
  • Year and Date: 2010-05-25
• [Presentation] Maintenance of the mean kinetic energy in the global ocean by the barotropic and baroclinic energy routes (2010)
  • Author(s): H.Aiki
  • Organizer: 2nd international workshop on Modeling the Ocean
  • Place of Presentation: Old Dominion大学(米国)
  • Year and Date: 2010-05-25
• [Presentation] Maintenance of the mean kineticenergyin the globalocean by the barotropic and baroclinic energy routes (2010)
  • Author(s): 相木秀則, K. J. Richards
  • Organizer: AGU Ocean Sciences Meeting 2010
  • Place of Presentation: Oregon Convention Center, Portland, Oregon(アメリカ)
  • Year and Date: 2010-02-24
• [Presentation] Maintenance of the mean kinetic energy in the global ocean by the barotropic and baroclinic energy routes (2010)
  • Author(s): 相木秀則、Kelvin J.Richards
  • Organizer: AGU Ocean Sciences Meeting 2010
  • Place of Presentation: Oregon Convention Center, Portland, Oregon, USA
  • Year and Date: 2010-02-24
• [Presentation] Tide-induced solitary-like wave train in LombokStrait (2009)
  • Author(s): 相木秀則, K. G. Lamb
  • Organizer: 日本海洋学会2009年度秋季大会
  • Place of Presentation: 京都大学(京都)
  • Year and Date: 2009-09-28
• [Presentation] Tide-inducedsolitary-like wave train in Lombok Strait (2009)
  • Author(s): 相木秀則、Kevin G Lamb
  • Organizer: 日本海洋学会2009年度秋季大会
  • Place of Presentation: 京都大学
  • Year and Date: 2009-09-28
• [Presentation] 海洋潮汐内部ソリトン波の数値的考察 (2009)
  • Author(s): 相木秀則
  • Organizer: 第11回非静力学モデルに関するワークショップ
  • Place of Presentation: 弘前大学(青森)
  • Year and Date: 2009-09-26
• [Presentation] 海洋循環における渦の形状抵抗と地形性形状抵抗に関する理論と解析のレビュー (2009)
  • Author(s): 相木秀則
  • Organizer: 日本流体力学会年会2009
  • Place of Presentation: 東洋大学(東京)
  • Year and Date: 2009-09-02
• [Presentation] Maintenance of the mean kinetic energy in the global ocean (2009)
  • Author(s): 相木秀則, K. J. Richards、佐久間弘文
  • Organizer: CLIVAR-WGOMDWorkshop onOcean Mesoscale Eddies
  • Place of Presentation: UK Metoffice, Exeter(イギリス)
  • Year and Date: 2009-04-26
• [Presentation] Maintenmce of the mean kinetic energy in the global ocean (2009)
  • Author(s): 相木秀則
  • Organizer: CLIVAR-WGOMD Workshop on Ocean Mesoscale Eddies
  • Place of Presentation: UK Metoffice, Exeter, UK
  • Year and Date: 2009-04-26
• [Presentation] The state of the global ocean circulation : the roles of barotropic and baroclinic Ekmantransports (2009)
  • Author(s): 相木秀則, K. J. Richards、佐久間弘文
  • Organizer: 日本海洋学会2009年度春季大会
  • Place of Presentation: 東京大学本郷キャンパス(東京)
  • Year and Date: 2009-04-08
• [Presentation] The state of the global ocean circulation : the roles of barotropic and baroclinic Ekman transvorts (2009)
  • Author(s): 相木秀則
  • Organizer: 日本海洋学会2009年度春季大会
  • Place of Presentation: 東京大学本郷キャンパス
  • Year and Date: 2009-04-08