Researcher Information
researchmap URL
Research History
- Apr. 2019 - Present
Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Research Institute for Global Change (RIGC), Senior Scientist - Apr. 2014 - Mar. 2019
Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Research and Development Center for Global Change (RCGC), Senior Scientist - Apr. 2015 - Mar. 2016
Commonwealth Scientific and Industrial Research Organisation (CSIRO), Oceans and Atmosphere Flagship, Visiting Scientist - Apr. 2009 - Mar. 2014
Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Research Institute for Global Change (RIGC), Research Scientist - Aug. 2006 - Mar. 2009
Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Institute of Observational Research for Global Change (IORGC), Postdoctoral Researcher - Apr. 2006 - Jul. 2006
Tohoku University, Department of Geophysics, Graduate School of Science, Postdoctoral Researcher - Oct. 2003 - Mar. 2006
Tohoku University, Department of Geophysics, Graduate School of Science, Research Assistant
Education
Research activity information
Papers
- Seiki, A.; M. Katsumata; T. Horii; A. Nagano; I. Ueki; Q. Moteki; S. Yokoi
Development of the boreal summer intraseasonal oscillation over the western North Pacific associated with self-induced fresh and shallow mixed layers in 2024
Journal of Geophysical Research-Oceans (in press), Nov. 2025
[Reviewed] - Horii, T.; I. Ueki; T.Xu; S. Hosoda
Accelerated termination of the 2019 extreme positive Indian Ocean Dipole by shortwave-induced warming in a shallow mixed layer off Sumatra and Java
Climate Dynamics, Nov. 2025
63 (449)
[Reviewed]
Lead, Corresponding - Horii, T.; I. Ueki; K. J. Richards; Q. Moteki; K. Ando; K. Matsumoto
Oceanic biophysical response to large-scale wind forcing observed southwest of Sumatra during December 2017
Deep Sea Research Part II, Mar. 2025
221
[Reviewed]
Lead - Setiawan, R. Y; R. D. Susanto; T. Horii; I. Alifdini; E. Siswanto; Q. W. Sari; A. Wirasatriya; C. Aryudiawan
The Fujiwhara effect on ocean biophysical variables in the southeastern tropical Indian Ocean region
Journal of Marine Systems, May 2024
[Reviewed] - Ogata, T; T. Horii; H. Aiki; Y.-L. K. Chang; I. Iskandar; Y. Masumoto
Editorial: Multi-scale air-sea variability and its application in Indo-Pacific regions
Frontiers in Climate, Jul. 2023
5
[Reviewed]
Corresponding - Horii, T; I. Ueki; E. Siswanto; I. Iskandar
Long-term shift and recent early onset of chlorophyll-a bloom and coastal upwelling along the southern coast of Java
Frontiers in Climate, Apr. 2023
5
[Reviewed]
Lead - Siswanto, E; M. L. Sarker; B. Peter; T. Takemura; T. Horii; K. Matsumoto; F. Taketani; M. Honda
Variations of phytoplankton chlorophyll in the Bay of Bengal: Impact of climate changes and nutrients from different sources
Frontiers in Marine Science, Mar. 2023
10
[Reviewed] - Horii, T; E. Siswanto; I. Iskandar; I. Ueki; K. Ando
Can coastal upwelling trigger a climate mode? A study on intraseasonal-scale coastal upwelling off Java and the Indian Ocean Dipole
Geophysical Research Letters, Aug. 2022
49, 15
[Reviewed]
Lead - Horii, T; I. Ueki; K. Ando
Coastal upwelling events, salinity stratification and barrier layer observed along the southwestern coast of Sumatra
Journal of Geophysical Research–Oceans, Dec. 2020
125, 12
[Reviewed]
Lead - Siswanto, E; T. Horii; I. Iskandar; J. Lumban-Gaol; R. Y. Setiawane; R. D. Susanto
Impacts of climate changes on the phytoplankton biomass of the Indonesian Maritime Continent
Journal of Marine Systems, Sep. 2020
212
[Reviewed] - Horii, T; I. Ueki; K. Ando
Coastal upwelling events along the southern coast of Java during the 2008 positive Indian Ocean Dipole
Journal of Oceanography, 20 Apr. 2018
74, 5, 1, 10
[Reviewed] - Ando K; Y. Kuroda; Y. Fujii; T. Fukuda; T. Hasegawa; T. Horii; Y. Ishihara; Y. Kashino; Y. Masumoto; K. Mizuno; M. Nagura; I. Ueki
Fifteen years progress of the TRITON array in the Western Pacific and Eastern Indian Oceans
Journal of Oceanography, Aug. 2017
73, 4, 403, 426
[Reviewed] - R. R. Rao; T. Horii; Y. Masumoto; K. Mizuno
Observed variability in the upper layers at the Equator, 90 degrees E in the Indian Ocean during 2001-2008, 1: zonal currents
Climate Dynamics, Aug. 2017
49, 3, 1077, 1105
[Reviewed] - R. R. Rao; T. Horii; Y. Masumoto; K. Mizuno
Observed variability in the upper layers at the Equator, 90 degrees E in the Indian Ocean during 2001-2008, 2: meridional currents
Climate Dynamics, Aug. 2017
49, 3, 1031, 1048
[Reviewed] - Horii, T; I. Ueki; F. Syamsudin; I. Sofian; K. Ando
Intraseasonal coastal upwelling signal along the southern coast of Java observed using Indonesian tidal station data
Journal or Geophysical Research-Oceans, Apr. 2016
121, 4, 2690, 2708
[Reviewed]
Lead - Horii, T; I. Ueki; K. Ando; T. Hasegawa; K. Mizuno; A. Seiki
Impact of intraseasonal salinity variations on sea surface temperature in the eastern equatorial Indian Ocean
Journal of Oceanography, Apr. 2016
72, 2, 313, 326
[Reviewed]
Lead - Nagura, M; Y. Masumoto; T. Horii
Meridional heat advection due to mixed Rossby gravity waves in the equatorial Indian Ocean
Journal of Physical Oceanography, Jan. 2014
44, 1, 343, 358
[Reviewed] - T. Horii; K. Mizuno; M. Nagura; T. Miyama; K. Ando
Seasonal and interannual variation in the cross-equatorial meridional currents observed in the eastern Indian Ocean
Journal or Geophysical Research-Oceans, Dec. 2013
118, 12, 6658, 6671
[Reviewed] - Seiki, A; M. Katsumata; T. Horii; T. Hasegawa; K. J. Richards; K. Yoneyama; R. Shirooka
Abrupt cooling associated with the oceanic Rossby wave and lateral advection during CINDY2011
Journal or Geophysical Research-Oceans, Oct. 2013
118, 10, 5523, 5535
[Reviewed] - Horii, T; I. Ueki; K. Ando
Contrasting development and decay processes of Indian Ocean Dipoles in the 2000s
Scientific Online Letters on the Atmosphere (SOLA), 2013
9, 183, 186
[Reviewed]
Lead - Horii T; I. Ueki; K. Ando; K. Mizuno
Eastern Indian Ocean warming associated with the negative Indian Ocean dipole: A case study of the 2010 event
Journal of Geophysical Research: Oceans, 2013
118, 1, 536, 549
[Reviewed] - S. Prasanna Kumar; T. Divya David; P. Byju; J. Narvekar; K. Yoneyama; N. Nakatani; A. Ishida; T. Horii; Y. Masumoto; K. Mizuno
Bio-physical coupling and ocean dynamics in the central equatorial Indian Ocean during 2006 Indian Ocean Dipole
Geophysical Research Letters, Jul. 2012
39
[Reviewed] - Horii, T; I. Ueki; K. Hanawa
Breakdown of ENSO predictors in the 2000s: Decadal changes of recharge/discharge-SST phase relation and atmospheric intraseasonal forcing
Geophysical Research Letters, May 2012
39
[Reviewed]
Lead - Horii, T; Y. Masumoto; I. Ueki; S. Prasanna Kumar; K. Mizuno
Intraseasonal vertical velocity variation caused by the equatorial wave in the central equatorial Indian Ocean
Journal or Geophysical Research-Oceans, Sep. 2011
116
[Reviewed]
Lead - Horii, T; Y. Masumoto; I. Ueki; H. Hase; K. Mizuno
Mixed layer temperature balance in the eastern Indian Ocean during the 2006 Indian Ocean dipole
Journal or Geophysical Research-Oceans, Jul. 2009
114, C7
[Reviewed]
Lead - Yoneyama, K; Y. Masumoto; Y. Kuroda; M. Katsumata; K. Mizuno; Y. N. Takayabu; M. Yoshizaki; A. Shareef; Y. Fujiyoshi; M. J. McPhaden; V. S. N. Murty; R. Shirooka; K. Yasunaga; H. Yamada; N. Sato; T. Ushiyama; Q. Moteki; A. Seiki; M. Fujita; K. Ando; H. Hase; I. Ueki; T. Horii; C. Yokoyama; T. Miyakawa
MISMO field experiment in the equatorial Indian Ocean
BULLETIN OF THE AMERICAN METEOROLOGICAL SOCIETY, Dec. 2008
89, 12, 1889, 1903
[Reviewed] - Masumoto Y; T. Horii; I. Ueki; H. Hase; K. Ando; K. Mizuno
Short-term upper-ocean variability in the central equatorial Indian Ocean during 2006 Indian Ocean Dipole event
Geophysical Research Letters, May 2008
35, 14
[Reviewed] - Mizuno, K; Y. Masumoto; H. Hase; T. Horii; I. Ueki; Y. Ishihara; S. Yamaguchi; T. Matsumoto
Development of buoy array in the Eastern tropical Indian Ocean and observed variability
OCEANS 2008 - MTS/IEEE KOBE TECHNO-OCEAN, VOLS 1-3, Apr. 2008
1170, 1173
[Reviewed] - Horii, T; H. Hase; I. Ueki; Y. Masumoto
Oceanic precondition and evolution of the 2006 Indian Ocean dipole
Geophysical Research Letters, Feb. 2008
35, 3
[Reviewed]
Lead - Hasegawa T; T. Horii; K. Hanawa
Two different features of discharge of equatorial upper ocean heat content related to El Nino events
Geophysical Research Letters, Jan. 2006
33, 2
[Reviewed]
Lead - T Horii; K Hanawa
A relationship between timing of El Nino onset and subsequent evolution
Geophysical Research Letters, Mar. 2004
31, 6
[Reviewed]
Lead
Misc.
- Horii, T; T. Hasegawa
Mooring Buoy Observations in the Tropical Ocean and the Scientific Results in the Argo Era (in Japanese)
Kaiyo Monthly (Japanese Bulletin of Oceanography), 2013
45, 1, 16, 22 - Ando, K; Y. Ishihara; T. Horii; Y. Kashino; Y. Masumoto; I. Ueki; T. Hasegawa; I. Iskandar; H. Hase; M. Yamaguchi; N. Takahashi; S. Baba; Y. Takahashi; T. Fukuda; K. Mizuno
Tropical Indo-Pacific Ocean Climate Study (TOCS) and Triangle Trans-Ocean Buoy Network (TRITON) buoy array
Proceedings of the "OceanObs'09: Sustained Ocean Observations and Information for Society" Conference, Venice, Italy, 21–25 September 2009, Hall, J., D.E. Harrison, and D. Stammer, Eds., ESA Publication WPP-306, 2011 - 安藤 健太郎; 黒田 芳史; 長谷川 拓也; 堀井 孝憲; 名倉 元樹
太平洋熱帯域の現象と観測
月刊海洋, 2008
39, 10, 651, 657 - Masumoto, Y; T. Horii
Climate variability and atmosphere: ocean interactions in the tropical Indian Ocean (in Japanese)
Tenki (Bulletin of Meteorological Society of Japan), 2007
54, 8, 687, 690
[Reviewed] - Ando, K; Y. Kuroda; T. Hasegawa; T. Horii; M. Nagura
El Niño phenomena and its observation in the tropical Pacific Ocean (in Japanese)
Kaiyo Monthly (Japanese Bulletin of Oceanography), 2007
39, 10, 651, 657
Presentations
- Takanori Horii; Iwao Ueki; Qoosaku Moteki; Kazuhiko Matsumoto; Kelvin J. Richards; Kentaro Ando
Coastal upwelling and oceanic biophysical response observed by R/V Mirai southwest of Sumatra during December 2017
JAMSTEC-AORI Ocean-Earth Symposium 2024, 13 Mar. 2025 - Takanori Horii; Eko Siswanto; Iskhaq Iskandar; Iwao Ueki; Kentaro Ando
Can coastal upwelling trigger a climate mode? a study on intraseasonal-scale coastal upwelling off Java and the Indian Ocean Dipole
Asia Oceania Geosciences Society (AOGS) 21st Annual Meeting, 26 Jun. 2024 - Takanori Horii; Tengfei Xu; Iwao Ueki
Low salinity water and mixed layer variability in the regions of Indonesian Throughflow (ITF) exits of the eastern Indian Ocean
Japan Geoscience Union (JpGU) Meeting 2024, 26 May 2024
Professional Memberships
Media Coverage
- Cold water upwelling south of Java can trigger the Indian Ocean Dipole
Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Aug. 2022