公募班:川口 悠介

チャクチ・ベーリング海における乱流混合の生物生産・気候変動への影響評価

1. 出版物

・査読あり
  1. Yusuke Kawaguchi, Shigeto Nishino, Hiroki Takeda, Inoue Jun, Maeno Katsuhisa, Kazuhiro Oshima, 2016, Enhanced diapycnal mixing due to near-inertial internal waves propagating through an anticyclonic eddy in the ice-free Chukchi Plateau, Journal of Physical Oceanography, 46, 8, 2457-2481, do:10.1175/JPO^D-15-0150.1.  

  2. Viviér Frederic, Hutchings Jennifer, Yusuke Kawaguchi, Kikuchi Takashi, James Morison,Noguchi Tomohide, Lourenco Antonio, 2016, Sea-ice melt onset associated with lead opening during the spring/summer transition near the North Pole, Journal of Geophysical Research Oceans, 121, doi:10.1002/2015JC011588.

  3. Mario Uchimiya, Chiaki Motegi, Shigeto Nishino, Yusuke Kawaguchi, Jun Inoue, Hiroshi Ogawa, Toshi Nagata, 2016, Coupled response of bacterial production to wind-induced autumnal phytoplankton bloom and sediment resuspension in the Chukchi sea shelf, western arctic ocean, Frontiers in Marine Science, 3:231. doi:10.3389/fmars.2016.00231.  (「物理と生物の融合論文」)

  4. Yusuke Kawaguchi, Mike Steele, Shigeto Nishino, Kristina Colburnm, 1015, Upper Ocean Heat Observation using UpTempO buoys during RV Mirai Arctic cruise MR14-05, JAMSTEC Report of Research and Development, doi:10.5918/jamstecr.21.1. 

  5. Amane Fujiwara, Shigeto Nishino, Kohei Matsuno, Jonaotaro Onodera, Yusuke Kawaguchi, Toru Hiratake, Koji Suzuki, Jun Inoue, Takashi ikuchi, 2018, Changes in phytoplankton community structure during wind-induced fall bloom on the central Chukchi shelf, Polar Biology,  https://doi.org/10.1007/s00300-018-2284-7

 

・査読なし:
  1. Eun Yae Son, Yusuke Kawaguchi, Ho-Kyung Ha, Jae-hun Park, 2017, Near-inertial internal waves and related mixing in the Arctic anticyclonic eddies, The 32nd International Symposium on Okhotsk Sea & Sea Ice.

  2. Hiroki Takeda, Yusuke Kawaguchi, Jun Inoue, Shigeto Nishino, Michael Steele, Katsuhisa Maeno, Kristina Colburn, Naoki Sato, 2017, Quantification of the turbulent mixing and associated diapycnal heat transfer, The 32nd International Symposium on Okhotsk Sea & Sea Ice.

  3. Yusuke Kawaguchi, Hiroki Takeda, Jun Inoue, Shigeto Nishino, Katsuhiro Maeno, 2016, Enhanced turbulent energy dissipation due to internal wave breaking within an anticyclonic Arctic eddy, The 31st international symposium on Okhotsk Sea & Sea ice, pp. 128-130.

  4. Hiroki Takeda, Yusuke Kawaguchi, Naoki Sato, 2016, Turbulent mixing within the mixed layer from direct microstructure measurements during Arctic cruise MR14-05, The 31st international symposium on Okhotsk Sea & Sea Ice, 138–141. 

 

2. 共同研究の実施状況

  1. “ArCS 北極研究推進プロジェクト”, 海洋研究開発機構、菊地隆・西野茂人他、2015–2019年(「みらい」北極観測2017/2018に乗船予定)、国内、 契約書あり。

  2. ”日本海の海洋混合と内部波の研究:佐渡沖グライダー定線観測”, 日本水産研究所、和川拓・井桁庸介、国内、2016年–(グライダーデータの共同解析), AORIの共同利用を申請予定(H29年度)。

  3. “The UpTempO buoy project (NSF)”, Polar Science Center, Univ. Washington, Mike Steele(アメリカ), 2014–2018年(「みらい」北極航海でのUpTempO設置・解析), 海外、契約書なし。

  4. ”The Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC) project”, Alfred Wegenar Institution, Benjamin Rabe (ドイツ), 2016–2020年(2019/2020のIB Polar Stern号での観測に向け調整中), 海外、契約書なし。

  5. ”Eddy-trapped Near-inertial internal waves in the Arctic Ocean: observation with new Ice-Tethered Profilers”, Inha Univeristy, Jae-hun Park・Ho-Kyung Ha(韓国)、2016年–(ITPデータの共同解析), 海外、契約書なし。  

  6. ”Observational study of Internal Solitary Waves in the Chukchi Sea”, a Russian State Hydrometeorological University, Igor Kozlov(ロシア), 2016年–(2017年の「みらい」北極観測でコラボ), 海外、契約書なし。

 

3.国際研究集会・学会・シンポジウムの開催実施状況

  1. Fifth International Symposium on Arctic Research: ISAR-5http://www.jcar.org/isar-5/)、北極環境研究コンソーシアム、Ocean MOSAiC Session, 川口悠介(JAMSTEC/AORI)・Benjamin Rabe(AWI), 東京、2018年1月、共同コンビーナーを担当。

 

4.国内研究集会・学会・シンポジウムの開催実施状況

 

5.領域に関与したポスドク・RA等・若手研究者

  

6.受賞・招待講演・基調講演等の状況

  1. 川口悠介、”Observational Study of the eddy-wave-turbulence interaction in the Arctic Ocean”、インハ大学、韓国、2017年2月5日

 

7.アウトリーチ活動の状況

 

8. メデイア報道状況

 

9.国際学会・シンポジウム等での発表

  1. Yusuke Kawaguchi (JAMSTEC), Jun Inoue (NIPR), Shigeto Nishino (JAMSTEC), Katsuhisa Maeno (NME), Hiroki Takeda (JAMSTEC/U. Tokyo Gakugei), Kazuhiro Oshima (JAMSTEC), Enhanced diapycnal mixing due to near-inertial internal waves propagating through an Anticyclonic eddy in the ice-free Chukchi Plateau, The seventh symposium on polar science, 2016/11/01(口頭)

  2. Yusuke KAWAGUCHI, Enhanced diapycnal mixing due to near-inertial internal waves propagating through an anticlyclonic eddy in the ice-free Chukchi Plateau, FAMOS meeting 2016, 2016/10/01(ポスター)

  3. Yusuke Kawaguchi, Shigeto Nishino, Jun Inoue, Hiroki Takeda, Katsuhisa Maeno, Kazuhiro Oshima, Enhanced diapycnal mixing due to near-inertial internal waves propagating through ananticyclonic eddy in the ice-free Chukchi Plateau, AGU fall meeting 2016, 2016/12/01(ポスター)

  4. Yusuke Kawaguchi, Enhanced diapycnal mixing due to near-inertial internal waves propagating through an anticlyclonic eddy in the ice-free Chukchi Plateau, The 22nd international Symposium on Polar Sciences, 2016/05/01(口頭)

  5. Yusuke Kawaguchi, Turbulence and internal waves in the Arctic Ocean, 日露共同研究集会  in P.P. Shirshov, 2016/07/01(口頭)

  6. Yusuke Kawaguchi, Double-diffusion and energetic internal waves observed in Arctic Ocean vortices, OMIX国際シンポジウム 2017/03/17(ポスター)

  7. Amane Fujiwara, Shigeto Nishino, Kohei Matsuno, Jonaotaro Onodera, Yusuke Kawaguchi, Toru Hirawake, Koji Suzuki, Jun Inoue, Takashi Kikuchi, 

  8. Monitoring of in situ phytoplankton community structure using multi-excitation chlorophyll fluorometer,  Ocean Optics Conference 2016, 2016/10/27(口頭)

  9. Yusuke Kawaguchi, Hiroyasu Hasumi, Physical oceanography in polar oceans: sea ice dynamics, turbulent mixing, internal waves, and double-diffusion, 日本・ノルウェイ共同研究集会  in Bergen, 2016/12/01(代理・口頭)

  10. Hiroki Takeda、 Yusuke Kawaguchi、 Jun Inoue、 Shigeto Nishino、 Sato Naoki、 Katsuhisa Maeno, Michael Steel,Kristina Colburn, 太平洋側北極海における海洋混合層の乱流混合と鉛直熱輸送の定量的評価, The 32nd international symposium on Sea of Okhotsk & Sea Ice, 2017/02/20(口頭)

  11. Hiroki Takeda, Yusuke Kawaguchi, Jun Inoue, Shigeto Nishino, Mike Steele, Kristina Colburn, Katsuhisa Maeno, Naoki Sato, Turbulent mixing and heat balance within the surface mixed layer in the Pacific-side Arctic Ocean, FAMOS meeting 2016, 2016/10/01(ポスター)

  12. Eun Yae Son, Yusuke Kawaguchi, Jae Hun Park, Ho Kyung Ha, 西部北極海における高気圧渦・乱流混合の相互作用についての研究, The 32nd International symposium on Sea of Okhotsk and Sea Ice, 2017/02/20(口頭)

  13. Yusuke Kawaguchi, Enhanced diapycnal mixing due to near-inertial internal waves propagating through an anticyclonic eddy in the ice-free Chukchi Plateau, EGU 2017 general assembly, 2017/04/27 (口頭)

  14. Yusuke Kawaguchi and Hiroki Takeda, Turbulent Mixing and Vertical Heat Transfer in the Surface Mixed Layer of the Arctic Ocean: Implication of a Cross-Pycnocline High-Temperature Anomaly, EGU 2017 general assembly, 2017/04/27 (ポスター)

  15. Yusuke Kawaguchi, Seasonal variability of near-inertial internal waves and its kinetic energy in the ice-diminishing Arctic Ocean, JpGU-AGU Joint Meeting 2017, 2017/05/24(ポスター)

  16. Eun Yae Son, Yusuke Kawaguchi, Jae-hun Park, Ho-Kyung Ha, Role of anticyclonic eddies in vertical mixing in Canada Basin, Arctic, POAC17, 2017/06/01(口頭) 

 

10.国内学会・シンポジウム等での発表

  1. 川口悠介、伊東素代、菊地隆、小野寺丈直太朗, 原田直美、北極海の海氷消失が及ぼす北極海の乱流化現象について、ブルーアースシンポジウム、 2017/03/02(ポスター)

  2. 川口悠介,西野茂人、藤原周、竹田大樹、北極海バロー沖の低気圧性渦における二重拡散多重貫入構造、ブルーアースシンポジウム 2017、2017/03/02(口頭)

  3. 川口悠介、西野茂人、藤原周、竹田大樹、伊東素代、奥村慎也、徳長航、北極海バロー沖の低気圧性暖水渦における二重拡散型多重貫入層、2016 年度日本海洋学会秋季大会、2016/09/01(口頭)

  4. 川口悠介、西野茂人、猪上淳、竹田大樹、前野克尚、大島和裕、西部北極海の高気圧渦に補足された近慣性内部重力波の破砕II、2016 年度日本海洋学会秋季大会、2016/09/01(口頭)

  5. 竹田大樹、川口悠介、猪上淳、西野茂人、前野克尚、佐藤尚毅、北極海の表層混合層における乱流混合の定量化 ―鉛直熱輸送により形成された混合層直下の水温極大、2016 年度日本海洋学会秋季大会、2016/09/01(口頭)