Katsumata K

Profile Information

Affiliation: Senior Scientist, RIGC, JAMSTEC

Degree: PhD

ORCID ID: https://orcid.org/0000-0002-4683-7610
J-GLOBAL ID: 201101086447956509
researchmap Member ID: B000004040

Ocean is turbulent. However it shows some order, such as currents. How can we understand this system? WIth this question in mind, I look at data collected by floats, ships, and satellites.

Research Interests

Research Areas

Natural sciences / Atmospheric and hydrospheric science / Ocean circulation

Research History

Apr, 2011 - Present

Senior Scientist, Research Institute for Global Change, JAMSTEC
Oct, 2006 - Mar, 2011

Scientist, Research Institute for Global Change, JAMSTEC
May, 2005 - Sep, 2006

Postdoctoral Fellow, CSIRO Marine and Atmospheric Research
Jul, 2002 - Apr, 2005

Research Associate, School of Physical, Environmental and Mathematical Sciences, UNSW@ADFA
Apr, 2001 - Jun, 2002

Institute of Low Temperature Science, Hokkaido University
Jan, 1999 - Mar, 2001

Research Fellow, Japan Society for the Promotion of Science

Papers

Diapycnal and isopycnal mixing along the continental rise in the Australian–Antarctic Basin

K. Katsumata, K. Yamazaki

Progress in Oceanography, 102979-102979, Jan, 2023 Peer-reviewedLead author
GO-SHIP Easy Ocean: Gridded ship-based hydrographic section of temperature, salinity, and dissolved oxygen

K, Katsumata, S. G. Purkey, R. Cowley, B. M. Sloyan, S. C. Diggs, T. S. Moore, L. D. Talley, J. H. Swift

Scientific Data, 9(1), Mar, 2022 Peer-reviewedLead author
Spatial and temporal variability of diapycnal mixing in the Indian Ocean

K. Katsumata, L. D. Talley, T. A. Capuano, C. B. Whalen

Journal of Geophysical Research - Oceans, Jun, 2021 Peer-reviewedLead author
Multidecadal poleward shift of the southern boundary of the Antarctic Circumpolar Current off East Antarctica

Kaihe Yamazaki, Shigeru Aoki, Katsuro Katsumata, Daisuke Hirano, Yoshihiro Nakayama

Science Advances, 7(24) eabf8755-eabf8755, Jun, 2021 Peer-reviewed
Quantarctica, an integrated mapping environment for Antarctica, the Southern Ocean, and sub-Antarctic islands

K. Matsuoka, A. Skoglund, G. Roth, J. de Pomereu, H. Griffiths, R. Headland, B. Herried, K. Katsumata, A. Le Brocq, K. Licht, F. Morgan, P. D. Neff, C. Ritz, M. Scheinert, T. Tamura, A. Van de Putte, M. van den Broeke, A. von Deschwanden, C. Deschamps-Berger, B. Van Liefferinge, S. Tronstad, Y. Melvær

Environmental Modelling & Software, 140 105015-105015, Mar, 2021 Peer-reviewed
Reversal of freshening trend of Antarctic Bottom Water in the Australian-Antarctic Basin during 2010s

S. Aoki, K. Yamazaki, D. Hirano, K. Katsumata, K. Shimada, Y. Kitade, H. Sasaki, H. Murase

Scientific Reports, 10(1) 14415-14415, Sep, 2020 Peer-reviewed
Freshening of Antarctic Bottom Water off Cape Darnley, East Antarctica

S. Aoki, K. Katsumata, M. Hamaguchi, A. Noda, Y. Kitade, K. Shimada, D.Hirano, D. Simizu, Y. Aoyama, K. Doi, Y. Nogi

Journal of Geophysical Research: Oceans, 125(8), Jul, 2020 Peer-reviewed
The Global Ocean Ship-Base Hydrographic Investigations Program (GO-SHIP): A platform for integrated multidisciplinary ocean science

B.M.Sloyan, R.Wanninkhof, M.Kramp, G.C.Johnson, L.Talley, T.Tanhua, E.McDonagh, C.Cusack, E.A.O'Rourke, E.McGovern, K.Katsumata, S.Diggs, J.Hummon, M.Ishii, K.Azetsu-Scott, E.Boss, I.Ansorge, F.F.Pérez, H.Mercier, M.Williams, L.Anderson, J.H.Lee, A.Murata, S.Kouketsu

Frontiers in Marine Science, 6, Aug, 2019 Peer-reviewed
Delivering sustained, coordinated and integrated observations of the Southern Ocean for global impact

L.Newman, P.Heil, R.Trebilco, K.Katsumata, A.J.Constable, E.van Wijk, K.Assmann, J.Beja, P.Bricher, R.Coleman, D.Costa, S.Diggs, R.Farneti, S.Fawcett, S.T.Gille, K.R.Hendry, S.F.Henley, E.Hofmann, T.Maksym, M.Mazloff, A.J.S.Meijers, M.P.Meredith, S.Moreau, B.Ozsoy, R.Robertson, I.R.Schloss, O.Schofield, J.Shi, E.L.Sikes, I.J.Smith, S.Swart, A.Wahlin, G.Williams, M.J.M.Williams, L.Herraiz-Borreguero, S.Kern, J.Lieser, R.Massom, J.Melbourne-Thomas, P.Miloslavich, G.Spreen

Frontiers in Marine Science, Aug, 2019 Peer-reviewed
The scientific and societal uses of global measurements of subsurface velocity

Z.B.Szuts, A.S.Bower, K.A.Donohue, J.B.Girton, J.M.Hummon, K.Katsumata, R.Lumpkin, P.B.Ortner, H.E.Phillips, T.Rossby, L.K.Shay, R.E.Todd

Frontiers in Marine Science, Jul, 2019 Peer-reviewed
Global Observing Needs in the Deep Ocean

L.A.Levin, B.J.Bett, A.R.Gates, P.Heimbach, B.M.Howe, F.Janssen, A.McCurdy, H.A.Ruhl, P.Snelgrove, K.I.Stocks, D.Bailey, S.Baumann-Pickering, C.Beaverson, M.C.Benfield, D.J.Booth, M.Carreiro-Silva, A.Colaço, M.C.Eblé, A.M.Fowler, K.M.Gjerde, D.O.B.Jones, K.Katsumata, D.Kelley, N.Le Bris, A.P.Leonardi, F.Lejzerowicz, P.I.Macreadie, D.McLean, F.Meitz, T.Morato, A.Netburn, J.Pawlowski, C.R.Smith, S.Sun, H.Uchida, M.F.Vardaro, R.Venkatesan, R.A.Weller

Frontiers in Marine Science, 6 241, May, 2019 Peer-reviewed
Unabated Bottom Water Warming and Freshening in the South Pacific Ocean

S.G. Purkey, G.C. Johnson, L.D. Talley, B. M. Sloyan, S.E. Wijffels, W. Smethie, S. Mecking, K. Katsumata

Journal of Geophysical Research: Oceans, 124(3), Feb, 2019 Peer-reviewed
Eddies Observed by Argo Floats. Part II: Form Stress and Streamline Length in the Southern Ocean

Katsuro Katsumata

JOURNAL OF PHYSICAL OCEANOGRAPHY, 47(9) 2237-2250, Sep, 2017 Peer-reviewedLead author
Eddies Observed by Argo Floats. Part I: Eddy Transport in the Upper 1000dbar

Katsuro Katsumata

JOURNAL OF PHYSICAL OCEANOGRAPHY, 46(11) 3471-3486, Nov, 2016 Peer-reviewedLead author
Changes in Ocean Heat, Carbon Content, and Ventilation: A Review of the First Decade of GO-SHIP Global Repeat Hydrography

L. D. Talley, R. A. Feely, B. M. Sloyan, R. Wanninkhof, M. O. Baringer, J. L. Bullister, C. A. Carlson, S. C. Doney, R. A. Fine, E. Firing, N. Gruber, D. A. Hansell, M. Ishii, G. C. Johnson, K. Katsumata, R. M. Key, M. Kramp, C. Langdon, A. M. Macdonald, J. T. Mathis, E. L. McDonagh, S. Mecking, F. J. Millero, C. W. Mordy, T. Nakano, C. L. Sabine, W. M. Smethie, J. H. Swift, T. Tanhua, A. M. Thurnherr, M. J. Warner, J. -Z. Zhang

ANNUAL REVIEW OF MARINE SCIENCE, VOL 8, 8 185-215, 2016 Peer-reviewed
Dissolved oxygen change and freshening of Antarctic Bottom water along 62 degrees S in the Australian-Antarctic Basin between 1995/1996 and 2012/2013

K. Katsumata, H. Nakano, Y. Kumamoto

DEEP-SEA RESEARCH PART II-TOPICAL STUDIES IN OCEANOGRAPHY, 114 27-38, Apr, 2015 Peer-reviewedLead author
Re-evaluation of turbulent mixing vertical structure in the Bussol' Strait and its impact on water masses in the Okhotsk Sea and the North Pacific

Masahiro Yagi, Ichiro Yasuda, Takahiro Tanaka, Yuki Tanaka, Kazuya Ono, Kay I. Ohshima, Katsurou Katsumata

PROGRESS IN OCEANOGRAPHY, 126 121-134, Aug, 2014 Peer-reviewed
Diapycnal and Isopycnal Transports in the Southern Ocean Estimated by a Box Inverse Model

K. Katsumata, B. M. Sloyan, S. Masuda

JOURNAL OF PHYSICAL OCEANOGRAPHY, 43(11) 2270-2287, Nov, 2013 Peer-reviewedLead author
Deep Ocean Changes near the Western Boundary of the South Pacific Ocean

Bernadette M. Sloyan, Susan E. Wijffels, Bronte Tilbrook, Katsuro Katsumata, Akihiko Murata, Alison M. Macdonald

JOURNAL OF PHYSICAL OCEANOGRAPHY, 43(10) 2132-2141, Oct, 2013 Peer-reviewed
Variability in Southern Hemisphere Ocean Circulation from the 1980s to the 2000s

K. Katsumata, S. Masuda

JOURNAL OF PHYSICAL OCEANOGRAPHY, 43(9) 1981-2007, Sep, 2013 Peer-reviewedLead author

Misc.

Gravitational potential energy is conserved along neutral surfaces in ocean

Katsuro Katsumata

May 25, 2023
Can we observe near-inertial waves by using lowered Acoustic Doppler Current Profiler?

Katsuro Katsumata

Dec 5, 2022
Decadal Vision in Oceanography 2021: Deep Ocean

橋濱史典, 纐纈慎也, 近藤能子, 佐々木克徳, 杉本周作, 高橋一生, 長井健容, 西岡純, 林田博士, 林田博士, 平井惇也

Oceanography in Japan, 30(5) 87-106, Aug, 2021 Peer-reviewedInvited
WHP I08N REVISIT/I07S IN 2019/2020 DATA BOOK

H. Uchida, A. Murata, K. Katsumata, K. Arulananthan, T. Doi

Mar, 2021
海底近くの新たな海洋循環像

勝又勝郎

物理科学、この１年 2020, Jan, 2020 Invited
Cruise report of multidisciplinary ecosystem survey in the eastern Indian sector of the Antarctic (CCAMLR Division 58.4.1) with a focus on Antarctic krill during 2018/19 season by the Japanese survey vessel, Kaiyo-maru

Murase, H, K.Abe, R.Matsukura, H.Sasaki, R.Driscoll, S.Driscoll, F.Schaafsma, M.van Regteren, Q.Yang, H.Ohshima, K.Ohshima, R.Sugioka, J.Tong, N.Yamamoto, H.Doiguchi, E.Briggs, K.Doi, D.Hirano, K.Katsumata, M.Kiuchi, H.Ko, D.Nomura, M.Orui, H.Sato, S.Toyoda, K.Yamazaki, T.Ishihara, K.Hamabe, S.Kumagai, T.Miyashita, N.Yamada, Y.Koyama, H.Sasaki

CCAMLR, WG-EMM-2019/42 [available from CCAMLR Secretariat], Jun, 2019
Deep Ocean Observing Strategy Science and Implementation Guide

Levin, L, H.Ruhl, P.Heimbach, A.McCurdy, L.Smith, S.Baumann-Pickering, M.Carreiro-Silva, K.Gjerde, B.Howe, F.Janssen, K.Katsumata, D.Kelley, N.Le Bris, C.Smith, P.Snelgrove, S.Song, A.Soule, K.Stocks, N.Rome, R.Venkatesan, R.Weller, K.Desai, G.Mendoza

May, 2019 Invited
南極底層水と全球海洋子午面循環

勝又勝郎

低温科学, 76 1-12, Mar, 2018
WHP I10 REVISIT IN 2015 DATA BOOK

H. Uchida, K. Katsumata, T. Doi

2018
Cold wind warms Southern Ocean

Katsuro Katsumata

Nature Climate Change, 8(1) 16-18, Jan 1, 2018 Invited
南大洋の湧昇

アデル・モリソン, トーマス・フレーリッヒャー, ヨルグ・サルミエント

パリティ, 31(4) 26-33, Mar, 2016 Invited
WHP P14S, S04I REVISIT IN 2012 DATA BOOK

H. Uchida, K. Katsumata, T. Doi

2015
深層の海洋循環

勝又勝郎

深海と地球の事典, Dec, 2014 Invited
The comparative survey of specification for the multi-channel seismic reflection exploration about oceanic fine structure

Mikiya Yamashita, Seiichi Miura, Kanako Hasumi, Yoshio Fukao, Katsuro Katsumata, Shuichi Kodaira

BUTSURI-TANSA(Geophysical Exploration), 66(2) 111-118, 2013 Peer-reviewed
みらい南大洋航海

勝又勝郎

月刊海洋, 44(506) 673-676, Dec, 2012 Invited
伊豆小笠原海域におけるマルチチャンネル反射法地震探査と海洋観測から得られた海洋微細構造の比較 (特集海底地殻調査で活用されるマルチチャンネル反射法)

山下幹也, 深尾良夫, 勝又勝郎

超音波techno, 24(6) 11-14, Nov, 2012
オホーツク海と北太平洋の交換流における潮汐の役割

勝又勝郎

月刊海洋, 43(11) 669-672, Nov, 2011 Invited
深海--漆黒のフロンティアを拓く(第8回)深層流と気候変動

勝又勝郎

ミルシル, 4(4) 26-29, Jul, 2011 Invited
Seismic reflection imaging of a Warm Core Ring south of Hokkaido

YAMASHITA Mikiya, YOKOTA Kanako, FUKAO Yoshio, KODAIRA Shuichi, MIURA Seiichi, KATSUMATA Katsuro

Geophysical exploration, 64(1) 18-24, Feb 1, 2011
Grid data of intermediate-depth velocity estimated from Argo drift: G-YoMaHa

Kaiyo monthly, 42(12) 709-714, Dec, 2010

Presentations

ウェデル海盆東部の底層水

勝又勝郎

日本地球惑星科学連合2023年大会, May 26, 2023
降下型ドップラー音響流速計による近慣性周期内部波の観測

勝又勝郎

日本海洋学会 2022 年秋季大会, Sep 4, 2022
豪州南極海盆大陸斜面上の海洋混合

日本地球惑星科学連合2022年大会, Jun 2, 2022
GO-SHIP Easy Ocean 使用上の注意

勝又勝郎

日本地球惑星科学連合2022年大会, Jun 1, 2022
Near-inertial oceanic internal waves observed by LADCP (lowered acoustic Doppler current profiler)

K. Katsumata

JpGU 2021, Jun 6, 2021
GO-SHIP Easy Ocean: formatted and gridded ship-based hydrographic section data

Katsumata, K, Purkey, S, Cowley, R, Sloyan, B, Stephen, D, Moore, T, Talley, L, Swift, J

JpGU 2021, Jun 5, 2021
GO-SHIP Easy Ocean: Formatted and gridded ship-based hydrographic section data

Katsumata, K, Purkey, S, Cowley, R, Sloyan, B, Diggs, S, Moore, T, Talley, L, Swift, J

EGU General Assembly 2021, Apr 26, 2021
「みらい」インド洋・南大洋航海 MR19-04

勝又勝郎, 熊本雄一郎, 内田裕, 纐纈慎也, 重光雅仁, 笹岡晃征, 濱名実

海と地球のシンポジウム2020, Dec 18, 2020
Hydrographic section along 57°E in the South Indian Ocean

Katsuro Katsumata, Yuichiro Kumamoto, Hiroshi Uchida, Shinya Kouketsu, Masahito Shigemitsu, Kosei Sasaoka, Minoru Hamana

11th Symposium on Polar Science, Dec 3, 2020
Antarctic Bottom Water and global ocean meridional overturning circulation

K. Katsumata

JpGU-AGU Joint Meeting 2020, Jul 13, 2020 Invited
Spatial and Temporal Variability of Diapycnal Mixing in the Indian Ocean

K. Katsumata, L. Talley, T. Capuano, C.Whalen

IUGG 2019, Jul 9, 2019
Eddies observed by Argo floats

K. Katsumata

JpGU 2019, May 27, 2019 Invited
Ocean and material circulation in the southern part of the Australian Antarctic Basin in 2018/2019 summer - preliminary results from Kaiyomaru KY18-04 cruise

K. Katsumata, D. Hirano, D. Nomura, K. Yamasaki, Y. Koh, M. Kiuchi, S. Aoki, H. Murase

May 27, 2019
GRAntarctic.jp — a new multidisciplinary project "Giant Reservoirs of heat/water/material: global environmental changes driven by the Southern Ocean and Antarctic Ice Sheet" (2017—2021)

K. Katsumata

Joint 25th AMOS National Conference and 12th International Conference for Southern Hemisphere Meteorology and Oceanography, AMOS-ICSHMO 2018, Feb 8, 2018
Eddies lengthen streamlines at standing meanders as observed by Argo floats

K. Katsumata

Joint 25th AMOS National Conference and 12th International Conference for Southern Hemisphere Meteorology and Oceanography, AMOS-ICSHMO 2018, Feb 6, 2018
南極環海流の東経 174 度における微細構造の変動

勝又勝郎

日本海洋学会 2017 年度秋季大会, Oct 16, 2017
Standing meanders of the ACC observed by Argo floats

K. Katsumata

JpGU-AGU joint meeting 2017, May 24, 2017
Southern Ocean eddies observed by Argo floats

K. Katsumata

Japan Geoscience Union Meeting 2016, May 24, 2016
Eddy transport in upper 1000 m observed by Argo

K. Katsumata

Japan Geoscience Union Meeting 2016, May 22, 2016
Surface water modification by advection of a 100-m scale iceberg

K. Katsumata, H. Uchida

The Sixth Symposium on Polar Science, Nov 17, 2015

Research Projects

Global distribution of near-inertial oceanic internal waves found in Lowered Acoustic Doppler Current Profiler data

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2020 - Mar, 2023
Direct observation of mixing and diffusion in the Southern Ocean

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2012 - Mar, 2016

KATSUMATA Katsuro
縁辺海と大洋の海水交換の物理

科学研究費助成事業特別研究員奨励費, 日本学術振興会, 1999 - 2000

勝又勝郎