海洋フロント域における大気海洋相互作用のマルチ時間スケール

2009 年度 研究成果報告書

• 研究課題/領域番号: 19340130
• 研究種目: 基盤研究(B)
• 配分区分: 補助金
• 応募区分: 一般
• 研究分野: 気象・海洋物理・陸水学
• 研究機関: 北海道大学
• 研究代表者: 見延 庄士郎 北海道大学, 大学院・理学研究院, 教授 (70219707)
• 研究分担者: 小守 信正 独立行政法人海洋研究開発機構, 地球シミュレータセンター, 研究員 (80359223) ; 吉田 聡 独立行政法人海洋研究開発機構, 地球シミュレータセンター, 研究員 (90392969) ; 中村 知裕 北海道大学, 低温科学研究所, 講師 (60400008)
• 研究期間 (年度): 2007 – 2009
• キーワード: メキシコ湾流 / 黒潮 / 大気海洋相互作用 / 海洋表面水温 / 降水帯 / 衛星観測 / 数値 / 計算 / 現業解析

研究概要

メキシコ湾流が,大気下層の境界層を超えて自由大気に与える一連の影響を発見し,この成果はNature2008年3月13日号の表紙を飾った.さらに,大気応答で夏に顕著な「深い加熱モード」と冬季に顕著な「浅い加熱モード」を発見し,圧力調整応答の観測的な証拠を得,夏季と冬季の大気の安定度の相違が大気応答の季節依存性に大きく影響していることを見出し,長期の大気海洋結合大循環モデル積分で衛星風観測と整合的な結果を得た.また,表面水温低下を引き起こす,潮汐による砕波の観測的な証拠を初めて得た.

研究成果

• [雑誌論文] Precipitation response to the Gulf Stream in an atmospheric GCM (2010)
  • 著者名/発表者名: Kuwano-Yoshida A., S.Minobe, S.-P.Xie
  • 雑誌名: Journal of Climate 23 ページ: 3676-3698
  • 査読あり
• [雑誌論文] Atmospheric response to the Gulf Stream : Seasonal variations (2010)
  • 著者名/発表者名: Minobe S., M.Miyashita, A.Kuwano-Yoshida, H.Tokinaga, S.-P.Xie
  • 雑誌名: Journal of Climate 233 ページ: 699-3719
  • 査読あり
• [雑誌論文] Breaking of unsteady lee waves generated by diurnal tides (2010)
  • 著者名/発表者名: Nakamura T., Y.Isoda, H.Mitsudera, S.Takagi, M.Nagasawa
  • 雑誌名: Geophysical Research Letters 37 ページ: L04602,doi:10.1029/2009GL041456
  • 査読あり
• [雑誌論文] Large-amplitude internal waves observed in the Kruzenshtern Strait of the Kuril Island Chain and possible water transport and mixing (2010)
  • 著者名/発表者名: Nakamura T., Y.Kawasaki, T.Kono, T.Awaji
  • 雑誌名: Continental Shelf Research 30 ページ: 598-607
  • 査読あり
• [雑誌論文] Effects of mass source/sink at the western boundary on the wind-driven gyres : Implications for the ventilation of the North Pacific intermediate layer through convection in the Okhotsk Sea and tidal mixing at the Kuril Straits (2010)
  • 著者名/発表者名: Nakamura T., T.Toyoda, Y.Ishikawa, T.Awaji
  • 雑誌名: Journal of Oceanography 66 ページ: 41-60
  • 査読あり
• [雑誌論文] Air-sea heat exchanges characteristic of a prominent midlatitude oceanic front in the South Indian Ocean as simulated in a high-resolution coupled GCM (2009)
  • 著者名/発表者名: Nonaka M., H.Nakamura, B.Taguchi, N.Komori, A.Kuwano-Yoshida, K.Takaya
  • 雑誌名: Journal of Climate 22 ページ: 6515-6535
  • 査読あり
• [雑誌論文] Scattering of internal waves with frequency change over rough topography (2009)
  • 著者名/発表者名: Nakamura T., T.Awaji
  • 雑誌名: Journal of Physical Oceanography 39 ページ: 1574-1594
  • 査読あり
• [雑誌論文] Wind and buoyancy driven overturning circulation in the Sea of Okhotsk (2009)
  • 著者名/発表者名: Matsuda J., H.Mitsudera, T.Nakamura, K.Uchimoto, T.Nakanowatari, N.Ebuchi
  • 雑誌名: Deep Sea Research Part I, 56 ページ: 1401-1418
  • 査読あり
• [雑誌論文] Deep ocean inertia-gravity waves simulated in a high-resolution global coupled atmosphere--ocean GCM. (2008)
  • 著者名/発表者名: Komori N., W.Ohfuchi, B.Taguchi, H.Sasaki, P.Klein
  • 雑誌名: Geophysical Research Letters 35 ページ: L04610,doi:10.1029/2007GL032807
  • 査読あり
• [雑誌論文] Influence of the Gulf Stream on the troposphere (2008)
  • 著者名/発表者名: Minobe S., Kuwano-Yoshida A., Komori N., Xie S.-P., R.J.Small
  • 雑誌名: Nature 452 ページ: 206-209
  • 査読あり
• [雑誌論文] Decadal sea level variability in the South Pacific in a global eddy-resolving ocean model hindcast (2008)
  • 著者名/発表者名: Sasaki Y.N., Minobe S., Schneider N., Kagimoto T.Nonaka, M., H.Sasaki
  • 雑誌名: Journal of Physical Oceanography 38 ページ: 1731-1747
  • 査読あり
• [雑誌論文] North Pacific regime shifts : Definitions and recent indicators (2008)
  • 著者名/発表者名: Overland J., Rodionov S., Minobe S., N.Bond
  • 雑誌名: Progress in ceanography, Progress in Oceanography 77 ページ: 92-102
  • 査読あり
• [雑誌論文] Air-sea interaction over ocean fronts and eddies (2008)
  • 著者名/発表者名: Small R.J., S.P.deSzoeke, S.P.Xie, L.O'Neill, H.Seo, Q.Song, P.Cornillon, M.Spall,S.Minobe
  • 雑誌名: Dynamics of Atmospheres and Oceans 45 ページ: 274-319
  • 査読あり
• [学会発表] Atmospheric response to the Gulf Stream : Seasonal variations Ocean Science Meeting (2010)
  • 著者名/発表者名: Minobe, S.M.Miyashita, A.Kuwano-Yoshida, H.Tokinaga, S.Xie
  • 学会等名: Portland, USA.(招待講演)
  • 年月日: 2010-02-27
• [学会発表] Contributions of different mechanisms for atmospheric response to the Gulf Stream in a regional atmospheric model (2010)
  • 著者名/発表者名: Takatama K., S.Minobe, M.Inatsu
  • 学会等名: Ocean Science Meeting, 2010 Ocean Science Meeting
  • 発表場所: Portland, USA
  • 年月日: 2010-02-25
• [学会発表] Reconstruction of 3D dynamics in the North Pacific using outputs of realistic high-resolution ocean simulations (2010)
  • 著者名/発表者名: Sasaki H., P.Klein, G.Lapeyre, B.Taguchi, N.Komori
  • 学会等名: 2010 Ocean Sciences Meeting
  • 発表場所: Portland,USA
  • 年月日: 2010-02-25
• [学会発表] Influence of midlatitude oceans on the formation of storm-tracks and westerly jets and on their variability (2010)
  • 著者名/発表者名: Nakamura H., T.Sampe, M.Nonaka, B.Taguchi, D.Hotta, F.Ogawa, A.Kuwano-Yoshida, N.Komori
  • 学会等名: PO41A-02.2010 Ocean Sciences Meeting
  • 発表場所: Portland, USA
  • 年月日: 2010-02-25
• [学会発表] Breaking of Unsteady Lee Waves Generated by Diurnal Tides (2010)
  • 著者名/発表者名: Nakamura T., Y.Isoda, H.Mitsudera, S.Takagi, M.Nagasawa
  • 学会等名: 2010 Ocean Sciences Meeting
  • 発表場所: Portland, USA
  • 年月日: 2010-02-24
• [学会発表] Influence of the Kuroshio in the East China Sea on the troposphere and relating disastrous heavy rainfall event (2010)
  • 著者名/発表者名: Asai T., S.Minobe, M.Inatsu
  • 学会等名: 2010 Ocean Science Meeting
  • 発表場所: Portland, USA
  • 年月日: 2010-02-23
• [学会発表] A high-resolution simulation of the global coupled atmosphere--ocean system using CFES (2010)
  • 著者名/発表者名: Komori, N., B.Taguchi, A.Kuwano-Yoshida, H.Sasaki, T.Enomoto, M.Nonaka, Y.Sasai, M.Honda, K.Takaya, A.Ishida, Y.Masumoto, W.Ohfuchi, H.Nakamura
  • 学会等名: 2010 Ocean Sciences Meeting
  • 発表場所: Portland, U.S.A.
  • 年月日: 2010-02-23
• [学会発表] Atmospheric response to decadal SST anomalies confined within the North Pacific subarctic frontal zone in a coupled model simulation (2010)
  • 著者名/発表者名: Taguchi B., M.Nonaka, N.Komori, A.Kuwano-Yoshida, K.Takaya, H.Nakamura
  • 学会等名: 2010 Ocean Sciences Meeting
  • 発表場所: Portland, USA
  • 年月日: 2010-02-23
• [学会発表] Influence of diapycnal mixing around the Kuril Islands and brine rejection on the distribution of CFCs in the Sea of Okhotsk (2010)
  • 著者名/発表者名: Uchimoto K., T.Nakamura, J.Nishioka, H.Mitsudera, M.Yamamoto-Kawai, K.Misumi, D.Tsumune
  • 学会等名: 2010 Ocean Sciences Meeting
  • 発表場所: Portland, USA
  • 年月日: 2010-02-22
• [学会発表] Hydraulic control of stratified barotropic flow over topography: Mechanisms of cold belt formation off the Soya Warm Current along the northeastern coast of Hokkaido (2010)
  • 著者名/発表者名: Mitsudera H., K.Uchimoto, T.Nakamura
  • 学会等名: 2010 Ocean Sciences Meeting
  • 発表場所: Portland, USA
  • 年月日: 2010-02-22
• [学会発表] Precipitation response to the Gulf Stream in an atmospheric GCM (2009)
  • 著者名/発表者名: Kuwano-Yoshida A., S.Minobe, S.-P.Xie
  • 学会等名: 2nd OFES International Workshop and ESC-IPRC Joint Workshop on Computationally-Intensive Modeling of the Climate System
  • 発表場所: Honolulu, USA
  • 年月日: 2009-12-10
• [学会発表] Importance of midlatitude oceanic frontalzones in the formation of storm-tracks and westerly jets as revealed in high-resolution climate modelsimulations (2009)
  • 著者名/発表者名: Nakamura H., T.Sampe, F.Ogawa, A.Goto, D.Hotta, B.Taguchi, M.Nonaka, N.Komori, A.Kuwano-Yoshida, W.Ohfuchi, S.-P.Xie
  • 学会等名: 2nd OFES International Workshop and ESC-IPRC Joint Workshop on Computationally-Intensive Modeling of the Climate System
  • 発表場所: Honolulu, USA
  • 年月日: 2009-12-10
• [学会発表] Atmospheric response to decadal SST anomalies confined within the North Pacific subarctic frontal zone in a coupled model simulation (2009)
  • 著者名/発表者名: Taguchi B., M.Nonaka, N.Komori, A.Kuwano-Yoshida, H.Nakamura
  • 学会等名: 2nd OFES International Workshop and ESC-IPRC Joint Workshop on Computationally-Intensive Modeling of the Climate System
  • 発表場所: Honolulu, USA
  • 年月日: 2009-12-10
• [学会発表] Mechanisms of the cold water belt formation off the Soya Warm Current (2009)
  • 著者名/発表者名: Mitsudera H., K.Uchimoto, T.Nakamura
  • 学会等名: PICES-2009 Annual Meeting, POC paper session
  • 発表場所: Jeju, Korea
  • 年月日: 2009-10-30
• [学会発表] A simulation of chlorofluorocarbons in the Sea of Okhotsk (2009)
  • 著者名/発表者名: Uchimoto K., T.Nakamura, J.Nishioka, H.Mitsudera, M.Yamamoto-Kawai, K.Misumi, D.Tsumune
  • 学会等名: PICES-2009 Annual Meeting, W1
  • 発表場所: Jeju, Korea
  • 年月日: 2009-10-25
• [学会発表] Kuroshio Extension variability during the last 50-years and its predictability (2009)
  • 著者名/発表者名: Minobe S., J.Zhang, M.Urasawa
  • 学会等名: PICES-2009 Annual Meeting, W8
  • 発表場所: Jeju, Korea
  • 年月日: 2009-10-24
• [学会発表] Meridional eddy heat transport estimations using satellite data and eddy resolving OGCM (2009)
  • 著者名/発表者名: Minobe S., K.Aoki, Y.Tanimoto, Y.Sasaki, Y.Sasai
  • 学会等名: PICES-2009 Annual Meeting, W9
  • 発表場所: Jeju, Korea (招待講演)
  • 年月日: 2009-10-23
• [学会発表] Atmospheric response to the Gulf Stream in an AGCM (2009)
  • 著者名/発表者名: Kuwano-Yoshida A., S.Minobe, S.-P.Xie
  • 学会等名: IAMAS/IAPSO/IACS Joint Assembly 2009 (MOCA-09)
  • 発表場所: Montreal, Canada
  • 年月日: 2009-07-24
• [学会発表] Influence of the Kuroshio in the East China Sea on the atmosphere (2009)
  • 著者名/発表者名: Minobe S., T.Asai, M.Miyashita, K.Takatama, M.Inatsu
  • 学会等名: The 15th Pacific-Asian Marginal Seas Meeting
  • 発表場所: Busan, Korea (招待講演)
  • 年月日: 2009-07-23
• [学会発表] Influence of the Gulf Stream on the Troposphere and its Relation to the Atlantic Multidecadal Oscillation (2009)
  • 著者名/発表者名: Minobe S., A.Kuwano-Yoshida, N.Komori, S.-P.Xie, R.J.Small, M.Urasawa
  • 学会等名: IAMAS/IAPSO/IACS Joint Assembly 2009 (MOCA-09)
  • 発表場所: Montreal, Canada
  • 年月日: 2009-07-22
• [学会発表] Tidally-generated large-amplitude internal waves and associated mixing in the Amchitka Strait, the Aleutian Islands (2009)
  • 著者名/発表者名: Nakamura T., Y.Isoda, M.Nagasawa, S.Takagi, T.Wagawa, H.Mitsudera
  • 学会等名: IAMAS/IAPSO/IACS Joint Assembly 2009 (MOCA-09)
  • 発表場所: Montreal, Canada
  • 年月日: 2009-07-22
• [学会発表] Wind and buoyancy effects on meridional overturning circulation in the Sea of Okhotsk (2009)
  • 著者名/発表者名: Mitsudera H., J.Matsuda, T.Nakamura, K.Uchimoto, T.Nakanowatari, N.Ebuchi
  • 学会等名: IAMAS/IAPSO/IACS Joint Assembly 2009 (MOCA-09)
  • 発表場所: Montreal, Canada
  • 年月日: 2009-07-21
• [学会発表] A new climatology of the Sea of Okhotsk with isopycnal averaging (2009)
  • 著者名/発表者名: Uehara H., A.Kruts, Y.Volkov, T.Nakamura, J.Nishioka, T.Ono, H.Mitsudera
  • 学会等名: IAMAS/IAPSO/IACS Joint Assembly 2009 (MOCA-09)
  • 発表場所: Montreal, Canada
  • 年月日: 2009-07-21
• [学会発表] Impact of sharp SST gradient in midlatitude on the atmospheric general circulation and its annular variability : Importance of "oceanic baroclinic adjustment (2009)
  • 著者名/発表者名: Nakamura H., T.Sampe, A.Goto, B.Taguchi, M.Nonaka, A.Kuwano-Yoshida, N.Komori, W.Ohfuchi, S.-P.Xie
  • 学会等名: IAMAS/IAPSO/IACS Joint Assembly 2009 (MOCA-09)
  • 発表場所: Montreal, Canada
  • 年月日: 2009-07-20
• [学会発表] Influence of the Gulf Stream on the troposphere (2009)
  • 著者名/発表者名: Minobe S., Kuwano-Yoshida A., Komori N., Xie S.-P., R.J.Small
  • 学会等名: U.S.CLIVAR Western Boundary Current Workshop
  • 発表場所: Phoenix, Arizona, USA.(招待講演)
  • 年月日: 2009-01-15
• [学会発表] Atmospheric response to the Gulf Stream in an AGCM (2009)
  • 著者名/発表者名: Kuwano-Yoshida A., S.Minobe, S.-P.Xie
  • 学会等名: U.S.CLIVAR Western Boundary Current Workshop
  • 発表場所: Phoenix, Arizona, USA
  • 年月日: 2009-01-15
• [学会発表] High-resolution simulation of the global coupled atmosphere-ocean system using CFES, U.S. (2009)
  • 著者名/発表者名: Komori N., B.Taguchi, A.Kuwano-Yoshida, H.Sasaki, T.Enomoto, M.Nonaka, Y.Sasai, M.Honda, K.Takaya, A.Ishida, Y.Masumoto, W.Ohfuchi, H.Nakamura
  • 学会等名: CLIVAR Western Boundary Current Workshop
  • 発表場所: Phoenix, Arizona, USA
  • 年月日: 2009-01-15
• [学会発表] Air-sea heat exchanges characteristic to a prominent midlatitude oceanic front in the South Indian Ocean as simulated in a high-resolution coupled GCM (2009)
  • 著者名/発表者名: Nonaka M., H.Nakamura, B.Taguchi, N.Komori, A.Kuwano-Yoshida, K.Takaya
  • 学会等名: AMS 89th Annual Meeting
  • 発表場所: Phoenix, Arizona, USA
  • 年月日: 2009-01-14
• [学会発表] Impact of midlatitude oceanic frontal zones on the atmospheric general circulation and its annular variability: Importance of "oceanic baroclinic adjustment" (2009)
  • 著者名/発表者名: Nakamura H., T.Sampe, A.Goto, B.Taguchi, M.Nonaka, N.Komori, A.Kuwano-Yoshida, W.Ohfuchi, S.-P.Xie
  • 学会等名: AMS 89th Annual Meeting
  • 発表場所: Phoenix, Arizona, USA
  • 年月日: 2009-01-13
• [学会発表] The Effects of Tidal Mixing at the Kuril Straits on North Pacific Ventilation (2008)
  • 著者名/発表者名: Nakamura T
  • 学会等名: SCOR 50th Anniversary Symposium
  • 発表場所: Woods Hole, Massachusetts, USA
  • 年月日: 20081019-20081021
• [学会発表] Deep ocean inertia-gravity waves simulated in a high-resolution global coupled atmosphere-ocean GCM (2008)
  • 著者名/発表者名: Komori N., W.Ohfuchi, B.Taguchi, H.Sasaki, P.Klein
  • 学会等名: AOGS 5th Annual Meeting
  • 発表場所: Busan, Korea
  • 年月日: 2008-06-20
• [学会発表] Decadal sea level variability in the South Pacific in a global eddy-resolving ocean model hindcast. (2008)
  • 著者名/発表者名: Sasaki Y.N., S.Minobe, N.Schneider, T.Kagimoto, M.Nonaka, H.Sasaki
  • 学会等名: 2008 Ocean Sciences Meeting
  • 発表場所: Orlando, Florida, U.S.A.
  • 年月日: 2008-03-06
• [学会発表] Deep ocean inertia-gravity waves simulated in a high-resolution global coupled atmosphere--ocean GCM (2008)
  • 著者名/発表者名: Komori N., B.Taguchi, W.Ohfuchi, H.Sasaki, P.Klein
  • 学会等名: 2008 Ocean Sciences Meeting
  • 発表場所: Orlando,Florida, U.S.A.
  • 年月日: 2008-03-06
• [学会発表] Small-scale eddies around the Kuril Straits generated by barotropic tidal flow (2008)
  • 著者名/発表者名: Nakamura T., J.P.Matthews, T.Awaji, H.Mitsudera
  • 学会等名: 2008 Ocean Sciences Meeting
  • 発表場所: Orlando, Florida, U.S.A.
  • 年月日: 2008-03-04
• [学会発表] Responces of extratropiccal cyclone activity to the Gulf Stream SST gradient (2007)
  • 著者名/発表者名: Kuwano-Yoshida A., N.Komori, S.Minobe, S.-P.Xie
  • 学会等名: 14th General Assembly of IUGG
  • 発表場所: Perugia, Italy.
  • 年月日: 2007-07-12
• [備考] 上記ネイチャーの表紙論文についてのプレス・リリースを以下のURLに示す
  • URL: http://www.sci.hokudai.ac.jp/~minobe/papers/080313_Hokudai_ESC_release.pdf