Researcher Information
researchmap URL
Research Areas
Research activity information
Papers
- Eko Siswanto
GCOM-C/SGLI-Based Optical-Water-Type Classification with Emphasis on Discriminating Phytoplankton Bloom Types
Remote Sensing, 19 Jan. 2026
[Reviewed] - Danang Surya Candra; Eko Siswanto
Machine Learning Approaches to Phytoplankton Identification and Classification Using GCOM-C/SGLI Imagery
Remote Sensing, 19 Nov. 2025
[Reviewed]
Corresponding - Wikanti Asriningrum; Azura Ulfa; Edy Trihatmoko; Nugraheni Setyaningrum; Joko Widodo; Ahmad Sutanto; Suwarsono; Gathot Winarso; Bachtiar Wahyu Mutaqin; Eko Siswanto
Novel Wall Reef Identification Method Using Landsat 8: A Case Study of Microcontinent Areas in Wangiwangi Island, Indonesia
Geosciences, 10 Oct. 2025
[Reviewed]
Last - Md. Ismail Firoz; Md. Latifur Rahman Sarker; Janet Nichol; Eko Siswanto
Assessment of horizontal shifting errors in open-source DEMs and their impact on 1D hydraulic modeling of meandering river channel
Journal of Hydrology: Regional Studies, Oct. 2025
61, 102707, 102707
[Reviewed]
Last - Toshio Suga; Fumio Inagaki; Kentaro Ando; Michio Kondoh; S. Smith; Keith Rodgers; Toyonobu Fujii; Michio Kawamiya; Hanani Adiwira; Maki Aita; Vani Alviani; Cheryl Ames; Kamrum Azad; Ettore Barbieri; Batdulam Battulga; Jonathan Derot; Diego Deville; Tetsuichi Fujiki; Jimena García-Rodríguez; Tomoko Hamabata; Masumi Hasegawa-Takano; Andrew Hirzel; Tatsuhiko Hoshino; Benjamin Horton; Shigeki Hosoda; Minoru Ikeda; Yasufumi Iryu; Yoichi Ishikawa; Kota Ishikawa; Sabine Kasten; Jamie Kass; Satoshi Katayama; Shinya Kouketsu; Gaku Kumano; Zhen Lin; Jutarak Luang‑on; Hiroshi Murakami; Yuriko Nagano; Takashi Nakagawara; Tomoe Nasuno; Goh Nishitani; Riko Oki; Takeshi Obayashi; Yuichi Okayama; Yusaku Ohta; Shuhei Ono; Yutaka Osada; Bo Qiu; Namal Rathnayake; Kelvin Richards; Niklas Schneider; Takashi Sakamaki; Yusuke Sasaki; Kanako Sato; Masahito Shigemitsu; Eko Siswanto; Kugako Sugimoto; Shusaku Sugimoto; Yoshihisa Suyama; Kaoru Tachiiri; Hiromi Takahata; Hideko Takayanagi; Akifumi Tanabe; Hiroaki Tatebe; Fumiaki Tomita; Tsunaki Iida; Gerlien Verhaegen; Clara Vives; Lael Wakamatsu; Shingo Watanabe; Shuya Wang; Angelicque White; Nadine Wood; Baolan Wu; Shang-Ping Xie; Sayaka Yasunaka; Jiwei Yang; Akinori Yabuki; Yosuke Yamada; Alan Yee; Taichi Yokokawa; Nan Yuan; William McDonough; Kimio Hanawa
The Grand Challenges of WPI-AIMEC: Executive Summary
16 Aug. 2025 - Misganaw Choto; Hiroto Higa; Salem Ibrahim Salem; Eko Siswanto; Takayuki Suzuki; Martin Mäll
Performance Evaluation of Inherent Optical Property Algorithms and Identification of Potential Water Quality Indicators Using GCOM-C Data in Eutrophic Lake Kasumigaura, Japan
Remote Sensing, 02 May 2025
[Reviewed] - Eko Siswanto
Assessing optical water types in Asian coastal ocean waters from space using GCOM-C/SGLI observations
International Journal of Remote Sensing, 15 Jan. 2025
46, 6, 2337, 2357
[Reviewed] - Salem Ibrahim Salem; Mitsuhiro Toratani; Hiroto Higa; SeungHyun Son; Eko Siswanto; Joji Ishizaka
Long-Term Evaluation of GCOM-C/SGLI Reflectance and Water Quality Products: Variability Among JAXA G-Portal and JASMES
Remote Sensing, 09 Jan. 2025
117, 2
[Reviewed] - Chonnaniyah; Eko Siswanto; Abd. Rahman As-syakur; Takahiro Osawa
Surface manifestation characteristics of internal solitary waves observed by GCOM-C/SGLI imagery
Journal of Sea Research, Dec. 2024
202, 102541
[Reviewed] - Jutarak Luang-on; Eko Siswanto; Kazunori Ogata; Mitsuhiro Toratani; Anukul Buranapratheprat; Dudsadee Leenawarat; Joji Ishizaka
Enhancing the reliability of GCOM-C/SGLI data for red tide detection in the upper Gulf of Thailand
Remote Sensing Letters, 27 Sep. 2024
15, 10, 1096, 1106
[Reviewed] - Takahito Ikenoue; Ryota Nakajima; Satoshi Osafune; Eko Siswanto; Makio C. Honda
Vertical Flux of Microplastics in the Deep Subtropical Pacific Ocean: Moored Sediment-Trap Observations within the Kuroshio Extension Recirculation Gyre
Environmental Science & Technology, 26 Aug. 2024
58, 36, 16121, 16130
[Reviewed] - Riza Yuliratno Setiawan; R. Dwi Susanto; Takanori Horii; Inovasita Alifdini; Eko Siswanto; Qurnia Wulan Sari; Anindya Wirasatriya; Candra Aryudiawan
The Fujiwhara effect on ocean biophysical variables in the southeastern tropical Indian Ocean region
Journal of Marine Systems, 28 May 2024
245, 103990
[Reviewed] - Eko Siswanto; Jutarak Luang-on; Kazunori Ogata; Hiroto Higa; Mitsuhiro Toratani
Observations of water optical properties during red tide outbreaks off southeast Hokkaido by GCOM-C/SGLI: implications for the development of red tide algorithms
Remote Sensing Letters, Feb. 2024 - Iskhaq Iskandar; Qurnia Wulan Sari; Riza Yuliratno Setiawan; Eko Siswanto; Joji Ishizaka; Amirotul Bahiyah; Wijaya Mardiansyah; Ardiansyah Desmont Puryajati
Seasonal and interannual variations of surface chlorophyll-a in the Karimata Strait
International Journal of Remote Sensing, 16 Oct. 2023
45, 23, 8905, 8918
[Reviewed] - Eko Siswanto; Md. Latifur; Rahman Sarker; Benny N. Peter; Toshihiko Takemura; Takanori Horii; Kazuhiko Matsumoto; Fumikazu Taketani; Makio C. 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] - Jutarak Luang-on; Joji Ishizaka; Anukul Buranapratheprat; Jitraporn Phaksopa; Joaquim I. Goes; Elígio de Raús Maúre; Eko Siswanto; Yuanli Zhu; Qian Xu; Phattaranakorn Nakornsantiphap; Hiroshi Kobayashi; Satsuki Matsumura
MODIS-derived green Noctiluca blooms in the upper Gulf of Thailand: Algorithm development and seasonal variation mapping
Frontiers in Marine Science, 27 Feb. 2023
10
[Reviewed] - Yoshikazu Sasai; Sherwood Lan Smith; Eko Siswanto; Hideharu Sasaki; Masami Nonaka
Physiological flexibility of phytoplankton impacts modelled chlorophyll and primary production across the North Pacific Ocean
BIOGEOSCIENCES, Oct. 2022
19, 20, 4865, 4882 - 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
Geophysical Research Letters, 19 Mar. 2022 - Eko Siswanto; Yoshikazu Sasai; Kazuhiko Matsumoto; Makio C. Honda
Winter–Spring Phytoplankton Phenology Associated with the Kuroshio Extension Instability
Remote Sensing, 28 Feb. 2022
14, 5, 1186, 1186 - NETTY KURNIAWATI; QURNIA WULAN SARI; RIZA YULIRATNO SETIAWAN; EKO SISWANTO; FAUZIYAH FAUZIYAH; DEDI SETIABUDIDAYA; ISKHAQ ISKANDAR
SURFACE CHLOROPHYLL-A VARIATIONS ALONG THE SOUTHERN COAST OF JAVA DURING TWO CONTRASTING INDIAN OCEAN DIPOLE EVENTS: 2015 AND 2016
JOURNAL OF SUSTAINABILITY SCIENCE AND MANAGEMENT, 30 Apr. 2021
16, 3, 116, 127 - Kazuhiko Matsumoto; Yoshikazu Sasai; Kosei Sasaoka; Eko Siswanto; Makio C Honda
The Formation of Subtropical Phytoplankton Blooms Is Dictated by Water Column Stability During Winter and Spring in the Oligotrophic Northwestern North Pacific
Journal of Geophysical Research: Oceans, 06 Feb. 2021 - Jonson Lumban-Gaol; Eko Siswanto; Kedarnath Mahapatra; Nyoman Metta Nyanakumara Natih; I Wayan Nurjaya; Mochamad Tri Hartanto; Erwin Maulana; Luky Adrianto; Herlambang Aulia Rachman; Takahiro Osawa; Berri Miraz Kholipah Rahman; Arik Permana
Impact of the Strong Downwelling (Upwelling) on Small Pelagic Fish Production during the 2016 (2019) Negative (Positive) Indian Ocean Dipole Events in the Eastern Indian Ocean off Java
Climate, 02 Feb. 2021
9, 2, 29, 29 - Eko Siswanto
Temporal variability of satellite-retrieved chlorophyll-a data in Arctic and subarctic ocean regions within the past two decades
International Journal of Remote Sensing, 01 Oct. 2020
41, 19, 7427, 7445 - Md. Sarker; Nichol Janet; Siti Mansor; Baharin Ahmad; Shamsuddin Shahid; Eun-Sung Chung; Jeffrey Reid; Eko Siswanto
An Integrated Method for Identifying Present Status and Risk of Drought in Bangladesh
Remote Sensing, 20 Aug. 2020
12, 17, 2686, 2686 - Yoshikazu Sasai; Makio C. Honda; Eko Siswanto; Sami Kato; Kazuyuki Uehara; Hideharu Sasaki; Masami Nonaka
Impact of ocean physics on marine ecosystems in the Kuroshio and Kuroshio extension regions: A high-resolution coupled physical-biological model study
Kuroshio Current: Physical, Biogeochemical, and Ecosystem Dynamics, 10 Apr. 2019
175, 188 - Honda Makio C; Sasai Yoshikazu; Siswanto Eko; Kuwano-Yoshida Akira; Aiki Hidenori; Cronin Meghan F
Impact of cyclonic eddies and typhoons on biogeochemistry in the oligotrophic ocean based on biogeochemical/physical/meteorological time-series at station KEO
PROGRESS IN EARTH AND PLANETARY SCIENCE, 20 Aug. 2018
5
[Reviewed] - Eko Siswanto; Yongjiu Xu; Joji Ishizaka
A Rare Dispersion of Low‐Salinity, High‐Gelbstoff, High‐Primary Production Water in the East China Sea During the Summer of 2010: Possible Influence of the ENSO
Journal of Geophysical Research: Oceans, Apr. 2018 - Haijun Ye; Jinyu Sheng; Danling Tang; Eko Siswanto; Muhsan Ali Kalhoro; Yi Sui
Storm‐induced changes in pCO2 at the sea surface over the northern South China Sea during Typhoon Wutip
Journal of Geophysical Research: Oceans, Jun. 2017 - Eko Siswanto; Haijun Ye; Dai Yamazaki; DanLing Tang
Detailed spatiotemporal impacts of El Niño on phytoplankton biomass in the South China Sea
Journal of Geophysical Research: Oceans, Apr. 2017 - Honda, M.C.; Wakita, M.; Matsumoto, K.; Fujiki, T.; Siswanto, E.; Sasaoka, K.; Kawakami, H.; Mino, Y.; Sukigara, C.; Kitamura, M.; Sasai, Y.; Smith, S.L.; Hashioka, T.; Yoshikawa, C.; Kimoto, K.; Watanabe, S.; Kobari, T.; Nagata, T.; Hamasaki, K.; Kaneko, R.; Uchimiya, M.; Fukuda, H.; Abe, O.; Saino, T.
Comparison of carbon cycle between the western Pacific subarctic and subtropical time-series stations: highlights of the K2S1 project
Journal of Oceanography, 2017 - Siswanto, E.; Honda, M.C.; Sasai, Y.; Sasaoka, K.; Saino, T.
Meridional and seasonal footprints of the Pacific Decadal Oscillation on phytoplankton biomass in the northwestern Pacific Ocean
Journal of Oceanography, 2016
72, 3 - Siswanto, E.; Honda, M.C.; Matsumoto, K.; Sasai, Y.; Fujiki, T.; Sasaoka, K.; Saino, T.
Sixteen-year phytoplankton biomass trends in the northwestern Pacific Ocean observed by the SeaWiFS and MODIS ocean color sensors
Journal of Oceanography, 2016
72, 3 - Siswanto, E.; Matsumoto, K.; Honda, M.C.; Fujiki, T.; Sasaoka, K.; Saino, T.
Reappraisal of meridional differences of factors controlling phytoplankton biomass and initial increase preceding seasonal bloom in the northwestern Pacific Ocean
Remote Sensing of Environment, 2015
159 - Siswanto, E.
Atmospheric deposition - Another source of nutrients enhancing primary productivity in the eastern tropical Indian Ocean during positive Indian Ocean Dipole phases
Geophysical Research Letters, 2015
42, 13 - Siswanto, E.; Tanaka, K.
Phytoplankton biomass dynamics in the strait of malacca within the period of the seawifs full mission: Seasonal cycles, interannual variations and decadal-scale trends
Remote Sensing, 2014
6, 4 - Siswanto, E.; Ishizaka, J.; Tripathy, S.C.; Miyamura, K.
Detection of harmful algal blooms of Karenia mikimotoi using MODIS measurements: A case study of Seto-Inland Sea, Japan
Remote Sensing of Environment, 2013
129 - Yamaguchi, H.; Ishizaka, J.; Siswanto, E.; Baek Son, Y.; Yoo, S.; Kiyomoto, Y.
Seasonal and spring interannual variations in satellite-observed chlorophyll-a in the Yellow and East China Seas: New datasets with reduced interference from high concentration of resuspended sediment
Continental Shelf Research, 2013
59 - Xu, Y.; Ishizaka, J.; Yamaguchi, H.; Siswanto, E.; Wang, S.
Relationships of interannual variability in SST and phytoplankton blooms with giantjellyfish (Nemopilema nomurai) outbreaks in the Yellow Sea and East China Sea
Journal of Oceanography, 2013
69, 5 - Tripathy, S.C.; Ishizaka, J.; Siswanto, E.; Shibata, T.; Mino, Y.
Modification of the vertically generalized production model for the turbid waters of Ariake Bay, southwestern Japan
Estuarine, Coastal and Shelf Science, 2012
97 - Siswanto, E.; Hashim, M.
A data fusion study on the impacts of the 2011 Japan tsunami on the marine environment of Sendai Bay
International Journal of Image and Data Fusion, 2012
3, 2 - Siswanto, E.; Tang, J.; Yamaguchi, H.; Ahn, Y.-H.; Ishizaka, J.; Yoo, S.; Kim, S.-W.; Kiyomoto, Y.; Yamada, K.; Chiang, C.; Kawamura, H.
Empirical ocean-color algorithms to retrieve chlorophyll-a, total suspended matter, and colored dissolved organic matter absorption coefficient in the Yellow and East China Seas
Journal of Oceanography, 2011
67, 5 - Siswanto, E.; Morimoto, A.; Kojima, S.
Enhancement of phytoplankton primary productivity in the southern East China sea following episodic typhoon passage
Geophysical Research Letters, 2009
36, 11 - Siswanto, E.; Nakata, H.; Matsuoka, Y.; Tanaka, K.; Kiyomoto, Y.; Okamura, K.; Zhu, J.; Ishizaka, J.
The long-term freshening and nutrient increases in summer surface water in the northern East China Sea in relation to Changjiang discharge variation
Journal of Geophysical Research: Oceans, 2008
113, 10 - Sasaki, H.; Siswanto, E.; Nishiuchi, K.; Tanaka, K.; Hasegawa, T.; Ishizaka, J.
Mapping the low salinity Changjiang Diluted Water using satellite-retrieved colored dissolved organic matter (CDOM) in the East China Sea during high river flow season
Geophysical Research Letters, 2008
35, 4 - Siswanto, E.; Ishizaka, J.; Morimoto, A.; Tanaka, K.; Okamura, K.; Kristijono, A.; Saino, T.
Ocean physical and biogeochemical responses to the passage of Typhoon Meari in the East China Sea observed from Argo float and multiplatform satellites
Geophysical Research Letters, 2008
35, 15 - Sasaki, H.; Tanaka, A.; Iwataki, M.; Touke, Y.; Siswanto, E.; Tan, C.K.; Ishizaka, J.
Optical properties of the red tide in Isahaya Bay, southwestern Japan: Influence of chlorophyll a concentration
Journal of Oceanography, 2008
64, 4 - Ishizaka, J.; Siswanto, E.; Itoh, T.; Murakami, H.; Yamaguchi, Y.; Horimoto, N.; Ishimaru, T.; Hashimoto, S.; Saino, T.
Verification of vertically generalized production model and estimation of primary production in Sagami Bay, Japan
Journal of Oceanography, 2007
63, 3 - Tan, C.K.; Ishizaka, J.; Manda, A.; Siswanto, E.; Tripathy, S.C.
Assessing post-tsunami effects on ocean colour at eastern Indian Ocean using MODIS Aqua satellite
International Journal of Remote Sensing, 2007
28, 13-14 - Siswanto, E.; Ishizaka, J.; Yokouchi, K.; Tanaka, K.; Tan, C.K.
Estimation of interannual and interdecadal variations of typhoon-induced primary production: A case study for the outer shelf of the East China Sea
Geophysical Research Letters, 2007
34, 3 - Siswanto, E.; Ishizaka, J.; Yokouchi, K.
Optimal primary production model and parameterization in the eastern East China Sea
Journal of Oceanography, 2006
62, 3 - Siswanto, E.; Ishizaka, J.; Yokouchi, K.
Estimating chlorophyll-a vertical profiles from satellite data and the implication for primary production in the Kuroshio front of the East China Sea
Journal of Oceanography, 2005
61, 3
Presentations
- Eko Siswanto; Kazunori Ogata; Mitsuhiro Toratani
GCOM-C/SGLI-based observing system for monitoring optical water quality in Asian waters
The Japan Aerospace Exploration Agency (JAXA) Joint Workshop, 20 Oct. 2025 - Danang Surya Candra; Eko Siswanto
A Machine Learning Approach To Phytoplankton Identification and Classification Using GCOM-C/SGLI Imagery
The 17th Asia-Oceania Group on Earth Observation (AOGEO) Symposium, 16 Oct. 2025 - Eko Siswanto; Kazunori Ogata; Mitsuhiro Toratani
Progress in Developing the Coastal Water Monitoring Platform
The 17th Asia-Oceania Group on Earth Observation (AOGEO) Symposium, 16 Oct. 2025 - Jutarak Luang-on; Eko Siswanto; Kazunori Ogata; Mitsuhiro Toratani; Hiroto Higa; Anukul Buranaprathepra; Joji Ishizaka
Monitoring Red Tides with Ocean Color Satellites: Lessons from the upper Gulf of Thailand to Tokyo Bay
The 17th Asia-Oceania Group on Earth Observation (AOGEO) Symposium, 15 Oct. 2025 - Charles P.; H. Simanjuntak; Eko Siswanto; Jonson Lumban-Gaol; Endro Soeyanto; Danang S. Candra; Sam Wouthuyzen
Preliminary Bio-Optical Observations in Jakarta Bay
The 17th Asia-Oceania Group on Earth Observation (AOGEO) Symposium, 15 Oct. 2025 - Eko Siswanto
Introduction to remote sensing of ocean color
Workshop on Earth Observation Data Analysis and Application for Coastal Ecosystem Studies, 13 Oct. 2025 - Eko Siswanto
GCOM-C/SGLI Ocean Color Data and Its Applications in Coastal Water Monitoring
Workshop on Ocean Color Data Application to Support Sustainable Marine Coastal Environment Development and Management, 16 Sep. 2025 - Eko Siswanto
Validation and Improvement of GCOM-C/SGLI-Based Phytoplankton Bloom Type Discrimination
AIMEC-JAXA joint workshop, 08 Jul. 2025 - Eko Siswanto
Deriving optical water quality from GCOM-C/SGLI remote sensing reflectance
Asia-Pacific Remote Sensing 2024, 02 Dec. 2024 - Eko Siswanto
GCOM-C SGLI-based near-real-time observing system for monitoring ocean color in Asian waters
2024 JAXA Joint Workshop, 20 Nov. 2024 - Eko Siswanto
Assessing optical water quality using GCOM-C/SGLI observation
12 Asian Workshop on Ocean Color 2024, 24 Oct. 2024 - Eko Siswanto
AOGEO Tak Group 4: Oceams, Coasts, Islands Activity Report
16th AOGEO Symposium, 05 Sep. 2024, [Invited] - Eko Siswanto
Converting GCOM-C/SGLI-derived remote sensing reflectance to optical water quality for the entire Asian waters
16th AOGEO Symposium, 03 Sep. 2024, [Invited] - Eko Siswanto
Harnessing Earth Observations for monitoring Asian coastal ocean
2nd UN Ocean Decade Regional Conference & 11th WESTPAC International Marine Science Conference, 25 Apr. 2024 - Eko Siswanto
Harnessing Earth Observations for Assessing Optical Water Quality in Asian Coastal Oceans
2nd UN Ocean Decade Regional Conference & 11th WESTPAC International Marine Science Conference, 23 Apr. 2024
Works
- Senior Scientist
Japan Agency for Marine-Earth Science; Technology
01 Oct. 2020 - Present, Others - 非常勤講師
Yamaguchi University
01 Apr. 2006 - Present, Others - Researcher
Japan Agency for Marine-Earth Science; Technology
01 Apr. 2013 - 30 Sep. 2020, Others - Senior Lecturer
Universiti Teknologi Malaysia
01 Apr. 2011 - 31 Mar. 2013, Others - Researcher
Nagoya University
01 Oct. 2009 - 31 Mar. 2011, Others - JSPS Postdoctoral Fellow
Nagoya University
01 Oct. 2007 - 30 Sep. 2009, Others - Postdoctoral fellow
Seikai National; Fisheries Research Institute (SNFRI; Japan Fisheries Research Agency
01 Apr. 2006 - 30 Sep. 2007, Others - Researcher
Agency for the Assessmen; Application of Technology (currently under BRIN
1996 - 2005, Others - Environmental specialist
Core Laboratories; Indonesia, Ltd
1995 - 1996, Others - Research Assistant
Bogor Agricultural University
1994 - 1995, Others
JAMSTEC-Researcher Registration
Contributions
- Apr. 2025 - Nov. 2026, Organizer a workshop on Earth Observation data Analysis and applications for coastal ecosystem studies
- Apr. 2025 - Mar. 2026, Asia-Oceania Group on Earth Observations (AOGEO) Task Group 4 Lead
- Apr. 2024 - Mar. 2025, Asia-Oceania Group on Earth Observations (AOGEO) Task Group 4 Leader
- Nov. 2023 - Mar. 2025, Guest Editor Journal of Sea Research Special Issue: Changes in the marine biosphere of the Northwest Pacific and the Central Indo-Pacific observed via Earth Observation data
- Apr. 2023 - May 2024, Convener Scientific Session [Western Pacific Marginal Seas: Physics, biogeochemistry and ecosystem] at the 2nd UN Ocean Decade Regional Conference & 11th WESTPAC Int'l Marine Science Conference
- Apr. 2023 - May 2024, 提案者、Convener Ocean Decade Action Incubator 6 at the 2nd UN Ocean Decade Regional Conference & 11th WESTPAC Int'l Marine Science Conference
