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Ocean-atmosphere interaction associated with coastal upwelling along the southern coasts of Sumatra and Java

Research Project

Project/Area Number 18K03753
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 17020:Atmospheric and hydrospheric sciences-related
Research InstitutionJapan Agency for Marine-Earth Science and Technology

Principal Investigator

Horii Takanori  国立研究開発法人海洋研究開発機構, 地球環境部門(大気海洋相互作用研究センター), 主任研究員 (20600430)

Project Period (FY) 2018-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Fiscal Year 2021: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2020: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2019: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2018: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Keywords沿岸湧昇 / スマトラ・ジャワ島 / インド洋ダイポール現象 / 大気海洋相互作用 / バリアレイヤー / クロロフィルa / インド洋 / 気候変動 / 地球温暖化 / 衛星海色データ / アルゴフロート / インド洋暖水プール
Outline of Final Research Achievements

The goal of this study was to elucidate cold water upwelling and atmosphere-ocean interaction along the southwestern coasts of Sumatra and Java and to verify the causal relationship with the Indian Ocean Dipole (IOD). Using Argo data and satellite-based observation data, we demonstrated the vertical structure of ocean temperature and salinity associated with coastal upwelling and their temporal variations. We also utilized satellite-based surface chlorophyll-a data as an indicator of the coastal upwelling, identified the onset date of the upwelling south of Java, and clarified the relationship with the large-scale atmosphere-ocean interaction related to the subsequent development of IOD. These results indicate that accurate observation and understanding of the coastal upwelling will improve the predictability of the Indian Ocean climate.

Academic Significance and Societal Importance of the Research Achievements

本研究は、全球海洋の沿岸湧昇域の中でほとんど大気や海洋の観測データが得られていなかったスマトラ・ジャワ島南西部の海域を対象として、最新の観測データを活用することで沿岸湧昇発生時の海洋構造を示すことができた。また、この沿岸湧昇がインド洋の大規模な短期気候変動現象であるインド洋ダイポール現象(IOD)発生の引き金になりうることを発見した。IOD は日本の夏季の天候など全世界の気候に影響をおよぼす現象であり、本研究の成果を活用することで、IOD のみならず世界の気候の予測性向上への貢献が期待できる。

Report

(7 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (61 results)

All 2023 2022 2021 2020 2019 2018 Other

All Int'l Joint Research (9 results) Journal Article (7 results) (of which Int'l Joint Research: 5 results,  Peer Reviewed: 7 results,  Open Access: 5 results) Presentation (33 results) (of which Int'l Joint Research: 23 results,  Invited: 3 results) Remarks (12 results)

  • [Int'l Joint Research] University of Sriwijaya(インドネシア)

    • Related Report
      2023 Annual Research Report
  • [Int'l Joint Research] University of Hawaii(米国)

    • Related Report
      2023 Annual Research Report
  • [Int'l Joint Research] University of Sriwijaya(インドネシア)

    • Related Report
      2022 Research-status Report
  • [Int'l Joint Research] University of Rajshahi(バングラデシュ)

    • Related Report
      2022 Research-status Report
  • [Int'l Joint Research] Kerala University(インド)

    • Related Report
      2022 Research-status Report
  • [Int'l Joint Research] Sriwijaya University(インドネシア)

    • Related Report
      2021 Research-status Report
  • [Int'l Joint Research] University of Hawaii/International Pacific Research Center(米国)

    • Related Report
      2021 Research-status Report
  • [Int'l Joint Research] Sriwijaya University/IPB University/Gadjah Mada University(インドネシア)

    • Related Report
      2020 Research-status Report
  • [Int'l Joint Research] University of Maryland(米国)

    • Related Report
      2020 Research-status Report
  • [Journal Article] Long-term shift and recent early onset of chlorophyll-a bloom and coastal upwelling along the southern coast of Java2023

    • Author(s)
      Takanori Horii, Iwao Ueki, Eko Siswanto, Iskhaq Iskandar
    • Journal Title

      Frontiers in Climate

      Volume: 5

    • DOI

      10.3389/fclim.2023.1050790

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Editorial: Multi-scale air-sea variability and its application in Indo-Pacific regions2023

    • Author(s)
      Tomomichi Ogata, Takanori Horii, Hidenori Aiki, Yu-Lin K. Chang, Iskhaq Iskandar, Yukio Masumoto
    • Journal Title

      Frontiers in Climate

      Volume: 5

    • DOI

      10.3389/fclim.2023.1253000

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Variations of phytoplankton chlorophyll in the Bay of Bengal: Impact of climate changes and nutrients from different sources2023

    • Author(s)
      Eko Siswanto, Md Latifur Rahman Sarker, Benny N. Peter, Toshihiko Takemura, Takanori Horii, Kazuhiko Matsumoto, Fumikazu Taketani, and Makio C. Honda
    • Journal Title

      Frontiers in Marine Science

      Volume: 10

    • DOI

      10.3389/fmars.2023.1052286

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Can Coastal Upwelling Trigger a Climate Mode? A Study on Intraseasonal‐Scale Coastal Upwelling Off Java and the Indian Ocean Dipole2022

    • Author(s)
      Takanori Horii, Eko Siswanto, Iskhaq Iskandar, Iwao Ueki, and Kentaro Ando
    • Journal Title

      Geophysical Research Letters

      Volume: 49 Issue: 15

    • DOI

      10.1029/2022gl098733

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Impacts of climate changes on the phytoplankton biomass of the Indonesian Maritime Continent2020

    • Author(s)
      Siswanto, E., T. Horii, I. Iskandar, J. Lumban-Gaol, R. Y. Setiawan, and R. D. Susanto
    • Journal Title

      Journal of Marine System

      Volume: 212 Pages: 1-15

    • DOI

      10.1016/j.jmarsys.2020.103451

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Coastal upwelling events, salinity stratification and barrier layer observed along the southwestern coast of Sumatra2020

    • Author(s)
      Horii, T., I. Ueki, and K. Ando
    • Journal Title

      Journal of Geophysical Research: Oceans

      Volume: 125 Issue: 12 Pages: 1-20

    • DOI

      10.1029/2020jc016287

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Coastal upwelling events along the southern coast of Java during the 2008 positive Indian Ocean Dipole2018

    • Author(s)
      Horii T.、Ueki I.、Ando K.
    • Journal Title

      Journal of Oceanography

      Volume: 74 Issue: 5 Pages: 499-508

    • DOI

      10.1007/s10872-018-0475-z

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Presentation] Long-term change of coastal upwelling along the southern coast of Java associated with Indian Ocean warming during the past two decades2023

    • Author(s)
      Takanori Horii, Iwao Ueki, Eko Siswanto, Iskhaq Iskandar
    • Organizer
      Japan Geoscience Union (JpGU) Meeting 2023
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Shoaling of the thermocline, nutrients supply, and biological variations southwest of Sumatra observed during December 20172023

    • Author(s)
      Takanori Horii, Iwao Ueki, Qoosaku Moteki, Kelvin J. Richards, Kazuhiko Matsumoto, Kentaro Ando
    • Organizer
      Japan Geoscience Union (JpGU) Meeting 2023
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Some indications of key components for the MJO and relevant phenomena over the Maritime Continent from the recent field observations2023

    • Author(s)
      Kunio Yoneyama, Satoru Yokoi, Ning Zhao, Peiming Wu, Qoosaku Moteki, Takanori Horii
    • Organizer
      WWRP/WCRP S2S Summit 2023
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Long-term change of coastal upwelling along the southern coast of Java associated with Indian Ocean warming during the past two decades2023

    • Author(s)
      Takanori Horii, Iwao Ueki, Eko Siswanto, Iskhaq Iskandar
    • Organizer
      American Geophysical Union (AGU) Annual Meeting 2023
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Decadal change of coastal upwelling along the southern coast of Java observed by chlorophyll-a variations2022

    • Author(s)
      Takanori Horii, Iwao Ueki, Eko Siswanto, Iskhaq Iskandar
    • Organizer
      Japan Geoscience Union (JpGU) Meeting 2022
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] 衛星観測のクロロフィルa濃度データを用いたジャワ島南の沿岸湧昇の指標2022

    • Author(s)
      堀井 孝憲, 植木 巌, Eko Siswanto, Iskhaq Iskandar
    • Organizer
      日本海洋学会2022年度秋季大会
    • Related Report
      2022 Research-status Report
  • [Presentation] Can coastal upwelling trigger a climate mode? A study on intraseasonal-scale coastal upwelling off Java and the Indian Ocean Dipole2022

    • Author(s)
      Takanori Horii, Eko Siswanto, Iskhaq Iskandar, Iwao Ueki, and Kentaro Ando
    • Organizer
      American Geophysical Union (AGU) Fall Meeting 2022
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] Bay of Bengal Phytoplankton Chlorophyll Variation: Impact of Climate Changes and Nutrients from Different Sources2022

    • Author(s)
      Eko Siswanto, Md. Latifur Rahman Sarker, Benny N. Peter, Toshihiko Takemura, Takanori Horii, Kazuhiko Matsumoto, Fumikazu Taketani, and Makio C. Honda
    • Organizer
      10th Asian - 19th Japan/Korean Workshop on Ocean Color (AWOC/JKWOC)
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] Use of ocean color data for climate prediction: A study on coastal upwelling off Java and the Indian Ocean Dipole2022

    • Author(s)
      Takanori Horii, Eko Siswanto, Iskhaq Iskandar, Iwao Ueki, Kentaro Ando
    • Organizer
      10th Asian - 19th Japan/Korean Workshop on Ocean Color (AWOC/JKWOC)
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] urface Chlorophyll-a variations associated with coastal upwelling along the southern coast of Java and the Indian Ocean Dipole2022

    • Author(s)
      Horii, T., E. Siswanto, I. Iskandar, and I. Ueki
    • Organizer
      Ocean Sciences Meeting 2022
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research
  • [Presentation] Ocean response to atmospheric variability in the eastern Indian Ocean2022

    • Author(s)
      Richards, K. J., Y. Jia, W. C. Hsu, T. Horii, Q. Moteki, and S. Yokoi
    • Organizer
      International Indian Ocean Science Conference (IIOSC) 2022
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research
  • [Presentation] Coastal upwelling events along the southern coasts of Sumatra and Java and its relation to the Indian Ocean Dipole2022

    • Author(s)
      Horii, T., I. Ueki, and K. Ando
    • Organizer
      International Indian Ocean Science Conference (IIOSC) 2022
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research
  • [Presentation] Intraseasonal variation of surface Chlorophyll-a associated with coastal upwelling along the southern coast of Java2021

    • Author(s)
      Horii, T., E. Siswanto, I. Iskandar, and I. Ueki
    • Organizer
      Japan Geoscience Union (JpGU) Meeting 2021
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research
  • [Presentation] Intraseasonal variation of surface Chlorophyll-a associated with coastal upwelling along the southern coast of Java2021

    • Author(s)
      Horii, T., E. Siswanto, I. Iskandar, and I. Ueki
    • Organizer
      Asia Oceania Geosciences Society (AOGS) 2021
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] ジャワ島沖の沿岸湧昇の発生時期とその後のインド洋ダイポール現象の発達2021

    • Author(s)
      堀井 孝憲, Eko Siswanto, Iskhaq Iskandar, 植木 巌
    • Organizer
      日本海洋学会2021年度秋季大会
    • Related Report
      2021 Research-status Report
  • [Presentation] Intraseasonal surface Chlorophyll-a variations associated with coastal upwelling south of Java, and its relation to the Indian Ocean Dipole2021

    • Author(s)
      Horii, T., E. Siswanto, I. Iskandar, and I. Ueki
    • Organizer
      American Geophysical Union (AGU) Fall Meeting 2021
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research
  • [Presentation] A role of eastward-propagating intraseasonal oscillation in controlling coastal upwelling southwest of Sumatra2020

    • Author(s)
      Horii, T., and I. Ueki
    • Organizer
      Japan Geoscience Union (JpGU) - American Geophysical Union (AGU) Joint Meeting 2020
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] The imprint of climate variability on the Maritime Continent surface ocean biology2020

    • Author(s)
      Siswanto, E., T. Horii, I. Iskandar, J. Lumban-Gaol, and R. Y. Setiawan
    • Organizer
      Japan Geoscience Union (JpGU) - American Geophysical Union (AGU) Joint Meeting 2020
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] Intraseasonal variation of Chlorophyll-a and coastal upwelling along the southern coast of Java2020

    • Author(s)
      Horii, T.
    • Organizer
      2020年度名古屋大学宇宙地球環境研究所研究集会:インド洋/太平洋域における海洋循環/環境応用に 関する研究集会
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] Coastal upwelling events, salinity stratification and barrier layer along the southern coasts of Sumatra and Java2020

    • Author(s)
      Horii, T., I. Ueki, and K. Ando
    • Organizer
      American Geophysical Union (AGU) Fall Meeting 2020
    • Related Report
      2020 Research-status Report
  • [Presentation] Coastal upwelling events, salinity stratification and barrier layer observed along the southwestern coast of Sumatra2020

    • Author(s)
      Horii, T., Ueki, I., and Ando, K.
    • Organizer
      Ocean Sciences Meeting 2020
    • Related Report
      2019 Research-status Report
  • [Presentation] スマトラ島南西沿岸部で観測された沿岸湧昇とバリアレイヤー2019

    • Author(s)
      堀井 孝憲, 植木 巌, 安藤 健太郎
    • Organizer
      日本地球惑星科学連合2019年大会
    • Related Report
      2019 Research-status Report
  • [Presentation] Ocean response to diurnal, intra-seasonal and seasonal atmospheric variability in the Maritime Continent and Eastern Indian Ocean regions2019

    • Author(s)
      Richards, K. J., Jia, Y., Soares, S., Horii, T., Moteki, Q., and Yokoi, S.
    • Organizer
      Asia Oceania Geosciences Society (AOGS) 16th Annual Meeting
    • Related Report
      2019 Research-status Report
  • [Presentation] スマトラ島南西沖で観測された塩分の成層下で発生する沿岸湧昇2019

    • Author(s)
      堀井 孝憲, 植木 巌, 安藤 健太郎
    • Organizer
      日本海洋学会2019年度秋季大会
    • Related Report
      2019 Research-status Report
  • [Presentation] On the coastal upwelling signal observed along the southwestern coasts of Sumatra and Java2019

    • Author(s)
      Horii, T., Ueki, I., and Ando, K.
    • Organizer
      2019年度名古屋大学宇宙地球環境研究所研究集会:インド洋/太平洋域における海洋循環/環境応用に 関する研究集会
    • Related Report
      2019 Research-status Report
  • [Presentation] アルゴフロートで観測されたスマトラ・ジャワ島南西部の沿岸湧昇2019

    • Author(s)
      堀井孝憲, 植木巌, 安藤健太郎
    • Organizer
      ブルーアースサイエンス・テク2019
    • Related Report
      2018 Research-status Report
  • [Presentation] Contrasting Development and Decay Processes of Indian Ocean Dipoles during Recent Decades2018

    • Author(s)
      Takanori Horii, Iwao Ueki, Kentaro Ando
    • Organizer
      Japan Geoscience Union (JpGU) Meeting 2018
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Coastal upwelling events along the southern coast of Java during the 2008 positive Indian Ocean Dipole2018

    • Author(s)
      Takanori Horii, Iwao Ueki, Kentaro Ando
    • Organizer
      Japan Geoscience Union (JpGU) Meeting 2018
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Shoaling of the thermocline southwest of Sumatra observed by R/V Mirai during December 20172018

    • Author(s)
      Takanori Horii, Iwao Ueki, Qoosaku Moteki, Kelvin J. Richards, Kentaro Ando
    • Organizer
      Asia Oceania Geosciences Society (AOGS) 2018
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Fresh water flux and its possible impact to the oceanic stratification: Outline and preliminary results from YMC-Sumatra 2017 field campaign using instruments onboard R/V Mirai, Wave Glider and m-Triton buoy2018

    • Author(s)
      Masaki Katsumata, Biao Geng, Iwao Ueki, Makito Yokota, Takanori Horii, Satoru Yokoi
    • Organizer
      Asia Oceania Geosciences Society (AOGS) 2018
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] 2017年12月に観測されたスマトラ島南西沿岸部における水温・クロロフィル変動2018

    • Author(s)
      堀井孝憲, 植木巌, 茂木耕作, Kevin J. Richards, 松本和彦, 安藤健太郎
    • Organizer
      日本海洋学会2018年度秋季大会
    • Related Report
      2018 Research-status Report
  • [Presentation] Coastal upwelling events along the southern coasts of Sumatra and Java observed by Argo floats2018

    • Author(s)
      Takanori Horii, Iwao Ueki, Kentaro Ando
    • Organizer
      6th Argo Science Workshop
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Ocean response to diurnal, intra-seasonal and seasonal atmospheric variability in the Maritime Continent and Eastern Indian Ocean regions2018

    • Author(s)
      Kelvin J. Richards, Yanli Jia, Sauro Soares, Takanori Horii, Qoosaku Moteki, Satoru Yokoi
    • Organizer
      2018 AGU Fall Meeting
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Remarks] 堀井孝憲 (Takanori Horii) - researchmap

    • URL

      https://researchmap.jp/horii_takanori

    • Related Report
      2023 Annual Research Report 2022 Research-status Report
  • [Remarks] Takanori Horii - Google Scholar Citations

    • URL

      https://scholar.google.co.jp/citations?user=XbQoRu0AAAAJ

    • Related Report
      2023 Annual Research Report
  • [Remarks] 堀井 孝憲 > JAMSTEC研究者総覧

    • URL

      https://www.jamstec.go.jp/souran/html/Takanori_Horii_1fbe7-j.html

    • Related Report
      2023 Annual Research Report
  • [Remarks] プレスリリース:インド洋ダイポールモード現象を発生させる一因を解明

    • URL

      https://www.jamstec.go.jp/j/about/press_release/20220808/

    • Related Report
      2023 Annual Research Report 2022 Research-status Report
  • [Remarks] Takanori Horii - Google Scholar Citations

    • URL

      https://scholar.google.co.jp/citations?user=XbQoRu0AAAAJ&hl=ja

    • Related Report
      2022 Research-status Report 2021 Research-status Report 2020 Research-status Report 2019 Research-status Report
  • [Remarks] JAMSTEC研究者総覧 堀井孝憲

    • URL

      https://www.jamstec.go.jp/souran/html/Takanori_Horii_1fbe7-j.html

    • Related Report
      2022 Research-status Report
  • [Remarks] 堀井孝憲 (Takanori Horii) - researchmap

    • URL

      https://researchmap.jp/horii_takanori?lang=en

    • Related Report
      2021 Research-status Report 2020 Research-status Report 2019 Research-status Report
  • [Remarks] JAMSTEC研究者総覧 堀井孝憲

    • URL

      http://www.jamstec.go.jp/researcher/html/Takanori_Horii_1fbe7-j.html

    • Related Report
      2020 Research-status Report 2019 Research-status Report
  • [Remarks] ESSOAr(投稿論文のプレプリント公開)

    • URL

      https://doi.org/10.1002/essoar.10502931.1

    • Related Report
      2019 Research-status Report
  • [Remarks] JAMSTEC研究者総覧 堀井 孝憲

    • URL

      http://www.jamstec.go.jp/souran/html/Takanori_Horii002313-j.html

    • Related Report
      2018 Research-status Report
  • [Remarks] Takanori Horii - Researcher - researchmap

    • URL

      https://researchmap.jp/horii_takanori/?lang=english

    • Related Report
      2018 Research-status Report
  • [Remarks] Takanori Horii - Google Scholar Citations

    • URL

      https://scholar.google.co.jp/citations?user=XbQoRu0AAAAJ&hl=en

    • Related Report
      2018 Research-status Report

URL: 

Published: 2018-04-23   Modified: 2025-01-30  

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