Researcher Information
researchmap URL
Research History
- Apr. 2022 - Present
 Japan Agency for Marine-Earth Science and Technology, 海域地震火山部門, 研究員
- Apr. 2020 - Mar. 2022
 Kobe University, Graduate School of Human Development and Environment, Assistant Professor
- Apr. 2017 - Mar. 2020
 Japan Agency for Marine-Earth Science and Technology, Kochi Institute for Core Sample Research, 学振PD(外来研究員)
- May 2016 - Mar. 2017
 Nagoya University, ISEE, 機関研究員
- Apr. 2015 - Apr. 2016
 The University of Tokyo, Atmosphere and Ocean Research Institute, 特任研究員
Education
- Apr. 2010 - Mar. 2015, University of Tokyo, Atmosphere and Ocean Research Institute, Ocean Floor Geoscience Department
- Apr. 2010 - Mar. 2015, University of Tokyo, School of Science, Earth and Planetary Science Department
- Apr. 2006 - Mar. 2010, University of Tokyo, School of Science, Department of Earth and Planetary Environmental Science
Research activity information
Papers
- Shiono Miki; Kaoru Kubota; Rei Nakashima; Kazushige Tanabe; Cornélia Brosset; Bernd R. Schöne; Asuka Yamaguchi; Kotaro Shirai
 High temporal resolution paleoclimate reconstruction by the analysis of growth patterns and stable isotopes of fossil shells of the long-lived bivalve Mercenaria stimpsoni from MIS 5e, 7 and 9
 Palaeogeography, Palaeoclimatology, Palaeoecology, Nov. 2024
 112537, 112537
- Allana Queiroz de Azevedo; Francisco J. Jiménez‐Espejo; Francesca Bulian; Francisco J. Sierro; Deborah Tangunan; Yasuhiro Takashimizu; Ana Luiza S. Albuquerque; Kaoru Kubota; Carlota Escutia; Richard D. Norris; Sidney R. Hemming; Ian R. Hall
 Orbital Forcing and Evolution of the Southern African Monsoon From Late Miocene to Early Pliocene
 Paleoceanography and Paleoclimatology, Sep. 2023
- K. Kubota; Y. Yokoyama; Y. Miyairi
 Data report: radiocarbon age of planktonic foraminifera collected at Site U1474, Natal Valley, IODP Expedition 361
 30 Mar. 2023
- Yutaka Kurita; Kotaro Shirai; Kaoru Kubota; Hiroyuki Togashi; Takami Morita
 Relationship between stable cesium concentration and body size of Japanese flounder Paralichthys olivaceus and the effect of a size-dependent shift in diet
 Journal of Fish Biology, 2023
 [Reviewed]
- Kaoru Kubota; Keisuke Sakai; Ken’ichi Ohkushi; Tomihiko Higuchi; Kotaro Shirai; Masayo Minami
 Salinity, oxygen isotope, hydrogen isotope, and radiocarbon of coastal seawater of North Japan
 GEOCHEMICAL JOURNAL, Dec. 2022
 56, 6, 240, 249
 [Reviewed]
- Kaoru Kubota; Rosaaideihn Tanabe; Minoru Ikehara; Yukiko Kozaka; Koji Seike; Yosuke Miyairi; Yusuke Yokoyama
 Dataset for the establishment of an age model of marine sediment core KH19-6 Leg.4 PC10/MC14 collected from the Agulhas Ridge in the South Atlantic Ocean
 Data in Brief, Dec. 2022
 46, 108797, 108797
 [Reviewed]
- Stephen Barker; Aidan Starr; Jeroen van der Lubbe; Alice Doughty; Gregor Knorr; Stephen Conn; Sian Lordsmith; Lindsey Owen; Alexandra Nederbragt; Sidney Hemming; Ian Hall; Leah Levay; M. A. Berke; L. Brentegani; T. Caley; A. Cartagena-Sierra; C. D. Charles; J. J. Coenen; J. G. Crespin; A. M. Franzese; J. Gruetzner; X. Han; S. K. V. Hines; F. J. Jimenez Espejo; J. Just; A. Koutsodendris; K. Kubota; N. Lathika; R. D. Norris; T. Periera dos Santos; R. Robinson; J. M. Rolison; M. H. Simon; D. Tangunan; M. Yamane; H. Zhang
 Persistent influence of precession on northern ice sheet variability since the early Pleistocene
 Science, 27 May 2022
 376, 6596, 961, 967
 [Reviewed]
- Koji Seike; Shinji Sassa; Kotaro Shirai; Kaoru Kubota
 Sediment hardness and water temperature affect the burrowing of Echinocardium cordatum: Implications for mass mortality during the 2011 earthquake–liquefaction–tsunami disaster
 Estuarine, Coastal and Shelf Science, Apr. 2022
 267
- Kaoru Kubota; Kotaro Shirai; Naoko Murakami-Sugihara; Koji Seike; Masayo Minami; Toshio Nakamura; Kazushige Tanabe
 〔Major achievements〕EVIDENCE OF MASS MORTALITY OF THE LONG-LIVED BIVALVE MERCENARIA STIMPSONI CAUSED BY A CATASTROPHIC TSUNAMI
 Radiocarbon, Dec. 2021
 63, 6, 1629, 1644
- Kaoru Kubota; Tsuyoshi Ishikawa; Kazuya Nagaishi; Tatsuya Kawai; Takuya Sagawa; Minoru Ikehara; Yusuke Yokoyama; Toshitsugu Yamazaki
 〔Major achievements〕Comprehensive analysis of laboratory boron contamination for boron isotope analyses of small carbonate samples
 Chemical Geology, Aug. 2021
 576, 120280, 120280
- Alejandra Cartagena‐Sierra; Melissa A. Berke; Rebecca S. Robinson; Basia Marcks; Isla S. Castañeda; Aidan Starr; Ian R. Hall; Sidney R. Hemming; Leah J. LeVay
 Latitudinal Migrations of the Subtropical Front at the Agulhas Plateau Through the Mid‐Pleistocene Transition
 Paleoceanography and Paleoclimatology, Jul. 2021
 36, 7
- Audrey K. Taylor; Melissa A. Berke; Isla S. Castañeda; Andreas Koutsodendris; Hernan Campos; Ian R. Hall; Sidney R. Hemming; Leah J. LeVay; Alejandra Cartagena Sierra; Keith O'Connor
 Plio‐Pleistocene Continental Hydroclimate and Indian Ocean Sea Surface Temperatures at the Southeast African Margin
 Paleoceanography and Paleoclimatology, Mar. 2021
 36, 3
 [Reviewed]
- Aidan Starr; Ian R. Hall; Stephen Barker; Thomas Rackow; Xu Zhang; Sidney R. Hemming; H. J. L. van der Lubbe; Gregor Knorr; Melissa A. Berke; Grant R. Bigg; Alejandra Cartagena-Sierra; Francisco J. Jiménez-Espejo; Xun Gong; Jens Gruetzner; Nambiyathodi Lathika; Leah J. LeVay; Rebecca S. Robinson; Martin Ziegler
 Antarctic icebergs reorganize ocean circulation during Pleistocene glacials
 Nature, 14 Jan. 2021
 589, 7841, 236, 241
 [Reviewed]
- Koji Seike; Kotaro Shirai; Kaoru Kubota; Yuki Ota; Shinji Sassa
 Does trace fossil size correspond with burrower population density? An example from the modern counterpart of the trace fossil Bichordites
 Palaeogeography, Palaeoclimatology, Palaeoecology, Nov. 2020
 557, 109946, 109946
 [Reviewed]
- Yusuke Muramiya; Hidekazu Yoshida; Kaoru Kubota; Masayo Minami
 Rapid formation of gigantic spherical dolomite concretion in marine sediments
 Sedimentary Geology, Jul. 2020
 404, 105664, 105664
 [Reviewed]
- Kaoru Kubota
 〔Major achievements〕Marine carbon cycle revealed by geochemistry of biogenic calcium carbonate
 地球化学, 25 Jun. 2020
 54, 2, 61, 78
 [Reviewed], [Invited]
- Kaoru Kubota; Yusuke Yokoyama; Tsuyoshi Ishikawa; Takuya Sagawa; Minoru Ikehara; Toshitsugu Yamazaki
 Equatorial Pacific seawater pCO2 variability since the last glacial period.
 Scientific reports, 25 Sep. 2019
 9, 1, 13814, 13814
 [Reviewed]
- Koji Seike; Shinji Sassa; Kotaro Shirai; Kaoru Kubota
 Fate of benthic invertebrates during seabed liquefaction: Quantitative comparison of living organism body density with liquefied substrate density
 Estuarine, Coastal and Shelf Science, Jul. 2019
 223, 1, 5
 [Reviewed]
- Liqiang Zhao; Kentaro Tanaka; Hirofumi Tazoe; Tsuyoshi Iizuka; Kaoru Kubota; Naoko Murakami-Sugihara; Kotaro Shirai
 Determination of the geographical origin of marine mussels (Mytilus spp.) using 143Nd/144Nd ratios.
 Marine environmental research, Jun. 2019
 148, 12, 18
 [Reviewed]
- Jens Gruetzner; Francisco J. Jiménez Espejo; Nambiyathodi Lathika; Gabriele Uenzelmann‐Neben; Ian R. Hall; Sidney R. Hemming; Leah J. LeVay
 A New Seismic Stratigraphy in the Indian‐Atlantic Ocean Gateway Resembles Major Paleo‐Oceanographic Changes of the Last 7 Ma
 Geochemistry, Geophysics, Geosystems, Jan. 2019
 20, 1, 339, 358
 [Reviewed]
- Kaoru Kubota; Kotaro Shirai; Tomihiko Higuchi; Toshihiro Miyajima
 Oxygen and hydrogen isotope characteristics of seawater in Otsuchi Bay and meteoric water of inflowing rivers
 Coastal Marine Science, Oct. 2018
 41, 1, 1, 6
 [Reviewed]
- Deborah N. Tangunan; Karl-Heinz Baumann; Janna Just; Leah J. LeVay; Stephen Barker; Luna Brentegani; David De Vleeschouwer; Ian R. Hall; Sidney Hemming; Richard Norris
 The last 1 million years of the extinct genus Discoaster: Plio–Pleistocene environment and productivity at Site U1476 (Mozambique Channel)
 Palaeogeography, Palaeoclimatology, Palaeoecology, Sep. 2018
 505, 187, 197
 [Reviewed]
- Kaoru Kubota; Kotaro Shirai; Naoko Murakami-Sugihara; Koji Seike; Masayo Minami; Toshio Nakamura; Kazushige Tanabe
 Bomb-14C Peak in the North Pacific Recorded in Long-Lived Bivalve Shells (Mercenaria stimpsoni)
 Journal of Geophysical Research: Oceans, 01 Apr. 2018
 123, 4, 2867, 2881
 [Reviewed]
- Koji Seike; Shinji Sassa; Kotaro Shirai; Kaoru Kubota
 Lasting Impact of a Tsunami Event on Sediment-Organism Interactions in the Ocean
 Journal of Geophysical Research: Oceans, 01 Feb. 2018
 123, 2, 1376, 1392
 [Reviewed]
- Kotaro Shirai; Kaoru Kubota; Naoko Murakami-Sugihara; Koji Seike; Masataka Hakozaki; Kazushige Tanabe
 Stimpson's hard clam Mercenaria stimpsoni; A multi-decadal climate recorder for the northwest Pacific coast.
 Marine environmental research, Feb. 2018
 133, 49, 56
 [Reviewed]
- Yusuke Muramiya; Hidekazu Yoshida; Kaoru Kubota; Masayo Minami
 Formation process of glendonite concretion in view of carbon and oxygen isotopes
 名古屋大学年代測定研究, 2018
 2, 12, 17
- Kazushige Tanabe; Toshihiro Mimura; Tsuzumi Miyaji; Kotaro Shirai; Kaoru Kubota; Naoko Murakami-Sugihara; Bernd R. Schoene
 Interannual to decadal variability of summer sea surface temperature in the Sea of Okhotsk recorded in the shell growth history of Stimpson's hard clams (Mercenaria stimpsoni)
 GLOBAL AND PLANETARY CHANGE, Oct. 2017
 157, 35, 47
 [Reviewed]
- Kaoru Kubota; Yusuke Yokoyama; Tsuyoshi Ishikawa; Atsushi Suzuki; Masao Ishii
 Rapid decline in pH of coral calcification fluid due to incorporation of anthropogenic CO2
 SCIENTIFIC REPORTS, Aug. 2017
 7, 1, 7694
 [Reviewed]
- Koji Seike; Kotaro Shirai; Kaoru Kubota
 Population dynamics of megabenthic invertebrates in Funakoshi.Bay, Iwate Prefecture, northeastern Japan: 6 years' field observation after the 2011 tsunami disaster
 NIPPON SUISAN GAKKAISHI, Jul. 2017
 83, 4, 668, 671
 [Reviewed]
- Hall Ian R; Hemming Sidney R; LeVay Leah J; Barker Stephen R; Berke Melissa A; Brentegani Luna; Caley Thibaut; Cartagena-Sierra Alejandra; Charles Christopher D; Coenen Jason J
 Proceedings of the International Ocean Discovery Program; South African climates (Agulhas LGM density profile); Expedition 361 of the riserless drilling platform, Port Louis, Mauritius, to Cape Town, South Africa; Sites U1474-U1479, 30 January-31 March 20
 2017
 [Reviewed]
- Kaoru Kubota; Kotaro Shirai; Naoko Murakami-Sugihara; Koji Seike; Masako Hori; Kazushige Tanabe
 Annual shell growth pattern of the Stimpson's hard clam Mercenaria stimpsoni as revealed by sclerochronological and oxygen stable isotope measurements
 PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY, Jan. 2017
 465, 307, 315
 [Reviewed]
- Shota Amekawa; Kaoru Kubota; Yosuke Miyairi; Arisa Seki; Yuta Kawakubo; Saburo Sakai; P. Ajithprasad; Hideaki Maemoku; Toshiki Osada; Yusuke Yokoyama
 Fossil otoliths, from the Gulf of Kutch, Western India, as a paleo-archive for the mid- to late-Holocene environment
 QUATERNARY INTERNATIONAL, Mar. 2016
 397, 281, 288
 [Reviewed]
- Kaoru Kubota; Yusuke Yokoyama; Tsuyoshi Ishikawa; Atsushi Suzuki
 A new method for calibrating a boron isotope paleo-pH proxy using massive Porites corals
 GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS, Sep. 2015
 16, 9, 3333, 3342
 [Reviewed]
- Kaoru Kubota; Yusuke Yokoyama; Yuta Kawakubo; Arisa Seki; Saburo Sakai; P. Ajithprasad; Hideaki Maemoku; Toshiki Osada; S. K. Bhattacharya
 Migration history of an ariid Indian catfish reconstructed by otolith Sr/Ca and delta O-18 micro-analysis
 GEOCHEMICAL JOURNAL, 2015
 49, 5, 469, 480
 [Reviewed]
- Kaoru Kubota; Yusuke Yokoyama; Tsuyoshi Ishikawa; Stephen Obrochta; Atsushi Suzuki
 Larger CO2 source at the equatorial Pacific during the last deglaciation
 SCIENTIFIC REPORTS, Jun. 2014
 4
 [Reviewed]
Misc.
Presentations
- Kubota, K; Shirai, K; Murakami-Sugihara, N; Seike, K., M; Tanabe, K; Minami, M; Nakamura, T
 The unseen victims of the 2011 tsunami: Mass mortality of the long- lived bivalve, Mercenaria stimpsoni, in northeast Japan
 AGU Fall Meeting 2023, Dec. 2023
- Kubota, K; Shirai, K; Murakami-Sugihara, N; Seike, K., M; Tanabe, K; Minami, M; Nakamura, T
 Evidence of mass mortality of the long-lived bivalve Mercenaria stimpsoni caused by a catastrophic tsunami.
 INQUA2023, 14 Jul. 2023
- Kubota, K; Ishikawa, T; Yoshimura, T; Kimoto, K; Chang, Q; Ikehara, M; Yokoyama, Y; Jimenez-Espejo, F.J; Hemming, S. R; Barker, S; Hall, I.R
 Seven million year record of multiple geochemical proxies of planktonic foraminifera shells collected from marine sediment core (IODP Exp.361 Site U1476) after removal of clay and boron-specific contamination influences
 Goldschmidt2023, 12 Jul. 2023
- 窪田 薫; 石川剛志; 吉村寿紘; 木元克典; 常 青; 池原 実; 横山祐典; Francisco Jimenes-Espejo; Sidney R. Hemming; Stephen Barker; Ian R. Hall
 〔主要な業績〕鮮新世の大気中二酸化炭素濃度復元〜海底堆積物中の浮遊性有孔虫の殻のホウ素同位体分析
 古気候研究におけるプロキシとモデルの融合, 02 Mar. 2023, [Invited]
- Kubota, K; Nakano, R; Murayama, M; Ishikawa, T; Yokoyama, Y; Suzuki, A
 Annual record of boron isotopes of massive Porites coral skeleton from Chichijima Island in the western North Pacific.
 JpGU-AGU 2020, Jul. 2020
- Kubota, K., Y; Ishikawa, T; Nagaishi, T; Kawai, T; Sagawa, T; Ikehara, M; Yokoyama, Yamazaki
 Boron Contamination during Boron Isotope Analysis of Planktonic Foraminifera.
 Goldschmidt 2020, 2020
- 窪田 薫; 横山祐典; 石川剛志; 佐川拓也; 池原 実; 山崎俊嗣
 浮遊性有孔虫のホウ素同位体分析を通じた海洋炭素循環研究
 日本質量分析学会 第68回質量分析総合討論会, 13 May 2020
- 窪田薫
 長寿二枚貝ビノスガイの殻に刻まれる 水温・核実験・津波の履歴
 バイオミネラリゼーションと石灰化 −遺伝子から地球環境まで−, Nov. 2019, [Invited]
- 窪田薫
 〔主要な業績〕奨励賞受賞記念講演:生物源炭酸塩に対する地球化学分析技術を駆使した海洋炭素循環研究
 日本地球化学会年会, 18 Sep. 2019, [Invited]
- 窪田薫
 生物源炭酸カルシウムのホウ素同位体分析に基づく海水pH・大気中CO2濃度復元
 日本地球惑星科学連合 連合大会 2019年大会, May 2019, [Invited]
- 窪田薫
 日本最長寿二枚貝の殻が記録する核実験の歴史と津波に伴う大量死
 日本地球惑星科学連合 連合大会 2018年大会, May 2018, [Invited]
- 窪田 薫; 横山祐典; 石川剛志; 鈴木淳; 石井雅男
 海洋酸性化がサンゴ石灰化に与える影響〜父島・喜界島から得られたハマサンゴのホウ素同位体分析
 日本地球化学会 2016年度年会, Sep. 2016, [Invited]
- 窪田薫
 サンゴを”使って”古気候を研究する
 第18回 日本サンゴ礁学会 若手の会, Nov. 2015, [Invited]
- 窪田薫
 近年の北西太平洋の海洋酸性化が父島・喜界島のハマサンゴの石灰化に与える影響
 第18回 日本サンゴ礁学会, Nov. 2015, [Invited]
- Kaoru Kubota; Yusuke Yokoyama; Tsuyoshi Ishikawa; Atsushi Suzuki; Masao Ishii
 Effects of recent ocean acidification in the western North Pacific on Porites coral calcification
 JpGU 2015, May 2015, [Invited]
Professional Memberships
Media Coverage
- 〔Major achievements〕過去80万年の気候を調査してわかったこと。次の氷河期はスキップされるかもしれない
 MODERN TIMES, Jan. 2023, Internet
- 〔Major achievements〕太古の地球のデータが集積している、樹、サンゴ、氷
 MODERN TIMES, Oct. 2022, Internet
- 生き物の体に"履歴書"
 共同通信社, (京都新聞・高知新聞・山形新聞・山梨日日新聞・信濃毎日新聞・静岡新聞・中國新聞・東京新聞・岩手日報・北海道新聞・熊本日日新聞・大分合同新聞), Sep. 2022, Paper
- 135歳の長寿貝、一生を終える 過去の津波耐えたが東日本大震災で
 朝日新聞, 朝日新聞デジタル, 22 Dec. 2021, Internet
- 東日本大震災の津波が長寿二枚貝ビノスガイの大量死に関与していたことを殻の分析から推定
 神戸大学, Nov. 2021, Internet
- 進む「海の酸性化」
 朝日新聞, 朝日中高生新聞, 18 Apr. 2021, Paper
- 南極を起源とする氷山の南アフリカへの到達が大西洋子午面循環のモード変化を駆動していた」
 神戸大学, プレスリリース, 14 Jan. 2021, Internet
- CO2の行き来、定説覆す
 日本経済新聞, かがくアゴラ, 29 Nov. 2019, Paper
- 堆積物中の有孔虫化石の高精度分析から読み解く大気・海洋間の炭素交換 ~最終氷期からの回復期に赤道太平洋から大気への二酸化炭素放出は不均質に起きていたことを解明〜
 JAMSTEC高知コア研究所, 研究トピックス, 31 Oct. 2019, Internet
- 海洋酸性化がサンゴ成長阻害 高知コア研究所の研究員ら調査」
 高知新聞, 27 Dec. 2017, Paper
- 92歳の長生き貝、津波を生き延びていた! 〜日本最長寿の二枚貝殻が明らかにする地球環境変動〜
 東京大学大気海洋研究所, プレスリリース, 27 Nov. 2017, Internet
- サンゴが記録した人為起源二酸化炭素の大気放出による海洋酸性化の履歴
 東京大学大気海洋研究所, プレスリリース, 21 Aug. 2017, Internet
