J-GLOBAL ID:202001005100785585   Update date: Sep. 19, 2023

Kajita Hiroto

カジタ ヒロト | Kajita Hiroto
Affiliation and department:
Job title: Assistant Professor
Other affiliations (2):
  • Japan Agency for Marine-Earth Science and Technology  Biogeochemistry Research Center   Invited researcher
  • National Institute of Advanced Industrial Science and Technology  Stratigraphy and Tectonics Research Group   Invited researcher
Homepage URL  (1): https://sites.google.com/view/kajita-porites/
Research keywords  (2): Biogeochemistry ,  Paleoclimatology&Paleoceanography
Research theme for competitive and other funds  (13):
  • 2022 - 2025 南極沿岸域におけるハプト藻の分布の解明ー新たな古環境指標の確立を目指してー
  • 2022 - 2023 化石DNAと脂質分析による地磁気逆転に伴う地球システム変化の検出
  • 2022 - 2023 鳥海山の海底湧出水が陸海間の物質循環に果たす役割の解明
  • 2022 - 2023 化石DNAとバイオマーカーの同時分析で解明する南極沿岸生態系の発達史
  • 2021 - 2023 バイオマーカーと宇宙線生成核種から解き明かす温暖期の急激な気候寒冷化のメカニズム
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Papers (14):
  • Hiroto Kajita, Yuta Isaji, Rintaro Kato, Yoko Nishikura, Masafumi Murayama, Naohiko Ohkouchi, Shouye Yang, Hongbo Zheng, Ke Wang, Toshimichi Nakanishi, et al. Climatic change around the 4.2 ka event in coastal areas of the East China Sea and its potential influence on prehistoric Japanese people. Palaeogeography, Palaeoclimatology, Palaeoecology. 2023. 609. 111310. 111310-111310
  • Kai Nils Nitzsche, Toshihiro Yoshimura, Naoto F. Ishikawa, Hiroto Kajita, Hodaka Kawahata, Nanako O. Ogawa, Katsuhiko Suzuki, Yusuke Yokoyama, Naohiko Ohkouchi. Metal contamination in a sediment core from Osaka Bay during the last 400 years. Progress in Earth and Planetary Science. 2022. 9. 1
  • Hiroto Kajita, Tsutomu Nakazawa, Masayuki Utsunomiya, Naohiko Ohkouchi, Miyako Sato, Naomi Harada, Hodaka Kawahata. Long-chain alkenones in the Shimosa Group reveal palaeotemperatures of the Pleistocene interglacial Palaeo-Tokyo Bays. Progress in Earth and Planetary Science. 2022. 9. 1
  • Hiroto Kajita, Ayumi Maeda, Masayuki Utsunomiya, Toshihiro Yoshimura, Naohiko Ohkouchi, Atsushi Suzuki, Hodaka Kawahata. Biomarkers in the rock outcrop of the Kazusa Group reveal palaeoenvironments of the Kuroshio region. Communications Earth & Environment. 2021. 2. 82
  • 梶田展人. アルケノン古水温計の新展開-沿岸・湖沼堆積物と堆積岩への適用-. 地球化学. 2021. 55. 2. 59-60
MISC (6):
  • 梶田 展人, 関 宰, 山本 正伸, 大河内 直彦, 岡田 誠, 羽田 裕貴, 菅沼 悠介. 千葉複合セクションのn-アルカン分析による海洋酸素同位体ステージ19の陸上気候・植生変動復元. 日本地球化学会第69回年会講演要旨集. 2022
  • Kai Nitzsche, Toshihiro Yoshimura, Naoto Ishikawa, Hiroto Kajita, Nanako Ogawa, Katz Suzuki, Naohiko Ohkouchi. Zinc stable isotopes as tracers for Zn pollution in sediment cores from historically polluted Lake Biwa and Osaka Bay. Goldschmidt2022 abstracts. 2022
  • 梶田 展人, 中澤 努, 大河内 直彦, 佐藤 都, 原田 尚美, 川幡 穂高. 下総層群に含まれるアルケノンを用いた古東京湾の古水温復元. 日本地球化学会第68回年会講演要旨集. 2021
  • Hiroto Kajita, Hideto Nakamura, Naohiko Ohkouchi, Naomi Harada, Miyako Sato, Shinji Ueda, Hodaka Kawahata. Application of the alkenone paleotemperature reconstruction in Lake Takahoko, Aomori. Abstracts of Annual Meeting of the Geochemical Society of Japan. 2021. 77
  • Kajita Hiroto, Nakamura Hideto, Kawahata Hodaka. Alkenones synthesized by Isochrydaceae family haptophytes -Case studies in domestic lakes-. Abstracts of Annual Meeting of the Geochemical Society of Japan. 2019. 66. 0. 48-48
Lectures and oral presentations  (24):
  • 房総半島周辺の鮮新ー更新統におけるアルケノン古水温復元
    (日本地質学会第130年学術大会 2023)
  • Paleomagnetic and 10Be records across the Pleistocene and Pliocene geomagnetic polarity transitions from the Boso Peninsula, central Japan.
    (INQUA 2023 2023)
  • Coupled terrestrial and oceanic variability during marine isotope stage 19 reconstructed from biomarkers in the Chiba Composition Section
    (INQUA 2023 2023)
  • 東南極宗谷海岸沿岸およびシューマッハオアシスの陸水系に存在する脂肪酸の組成
    (日本地質学会第129年学術大会 2022)
  • Climatic and vegetation changes in MIS 19 indicated by n-alkane analysis of the Chiba Composite Section
Education (3):
  • 2018 - 2021 The University of Tokyo Graduate school of Science Department in Earth and Planetary Science
  • 2016 - 2018 The University of Tokyo Graduate school of Science Department of Earth and Planetary Sciece
  • 2012 - 2016 Hokkaido University School of Science Department of Earth and Planetary Science
Professional career (1):
  • Doctor of Philosophy (Science) (The University of Tokyo)
Work history (4):
  • 2022/05 - 現在 Hirosaki University Faculty of Science and Technology Assistant Professor
  • 2022/10 - 2023/03 JARE64 menmer
  • 2021/04 - 2022/04 JSPS research Fellow PD(National Institute for Polar Research)
  • 2018/04 - 2021/03 JSPS Research Fellow DC1(The University of Tokyo)
Awards (5):
  • 2023/06 - 地球環境史学会 奨励賞
  • 2021/03 - Atmosphere and Ocean Research Institute, the University of Tokyo Director's Award
  • 2021/03 - Dean’s Award, Department of Earth and Planetary Science, the University of Tokyo
  • 2018/11 - Annual meeting of Paleo-sciences Society Best presentation award
  • 2018/03 - 日本学生支援機構 特に優れた業績による全額返還免除認定
Association Membership(s) (4):
日本地質学会 ,  Paleo-sciences Society ,  Geochemical Society of Japan ,  Japan Geoscience Union
※ Researcher’s information displayed in J-GLOBAL is based on the information registered in researchmap. For details, see here.

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