Group Members

We are looking for new Postdoc, PhD students, and Master/Bachelor students to join the team (see Join Us page) !

Staff / Students

All research staff members belong to Institute of Industrial Science, while students belong to the Department of Civil Engineering or Grad Program for Environmental Sciences: GPES.

For contacting lab members, please put “.u-tokyo.ac.jp” the “mail” of each member.

Dai Yamazaki : 山崎 大

PI: Associate professor ( Apr 2018- )
mail: yamadai [at] rainbow.iis

Taishi Yazawa : 矢澤 大志

Assistant Professor ( Oct 2022- )
mail: yazawa [at] iis

  • Water resources management; Citizen science; Water, sanitation and hygiene; Environmental education
  • Google Scholar
  • researchmap

Dung Trung Vu : Vũ Trung Dũng

Postdoc ( Sep 2023- )
mail: dung [at] rainbow.iis

Dhruv Sehgal : ध्रुव सहगल

Postdoc ( Nov 2023- )
mail: dhruv [at] rainbow.iis

Swarup Dangar : স্বরূপ ডাঙ্গর

Postdoc ( Feb 2024- )
mail: swarupd [at] iis

Yang Hu : 胡 阳

Postdoc ( Oct 2024 - )
mail: yang.hu [at] rainbow.iis

Megumi Watanabe : 渡辺 恵

JSPS Postdoc ( Apr 2019- )
mail: megumi [at] rainbow.iis

  • Climate change impacts on glacio-hydrology, precipitation analysis, hydro-topography data
  • Personal Webpage
  • Google Scholar
  • Currently visiting LERMA, Paris Observatory

Yuki Kita : 北 祐樹

Postdoc ( Jul 2021- )
mail: ykita [at] rainbow.iis

Yuki Kimura : 木村雄貴

Collab Researcher ( Oct 2021- )
mail: ykimura [at] rainbow.iis

Yuki Ishikawa : 石川 悠生

Ph.D student ( Oct 2022- )
mail: yishikawa [at] rainbow.iis

  • Water Resources Modeling; At-many-stations Hydraulic Geometry; Data Assimilation; Remote Sensing
  • Google Scholar

Youjiang Shen : 沈友江

Ph.D student ( Oct 2022- )
mail: yjshen2022 [at] rainbow.iis

Xiaoyu Sun : 孙 小雨

Ph.D student ( Oct 2024- )
mail: sunxiaoyu [at] rainbow.iis

  • Climate change impact on hydrological cycle in basins
  • Research Gate

Leatile Modie :

Research Student ( Oct 2024- )
mail: lemodie [at] rainbow.iis

  • Analyzing climate change impact on river flow regime
  • Research Gate

Kota Ishida : 石田 紘大

Master ( Apr 2023- )
mail: k-ishida[at]rainbow.iis

  • Suspended Sediment Concentration, Remote Sensing

Shun Mitamura : 味田村 俊

Master ( Apr 2023- )
mail: mitshu15 [at] rainbow.iis

  • Currently visiting France

Minami Okada : 岡田 実奈美

Master ( Apr 2023- )
mail: okada-mi [at] rainbow.iis

  • (Primary belongs to Yoshimura lab)
  • LinkedIn

Kinza Khan : کنزہ خان

Master ( Oct 2023- )
mail: kinza[at]rainbow.iis

  • Infrastructure impact on Pakistan flood 2022

Shun Wakamatsu : 若松 駿

Master ( Apr 2024- )
mail: wakashun [at] rainbow.iis

  • Groundwater-surface water interactions

Genki Nakamura : 中村元気

Master ( Apr 2024- )
mail: nakamurag [at] rainbow.iis

  • Global-scale analysis of river ecosystem

Keigo Kumagai : 熊谷 健吾

Master ( Apr 2024- )
mail: kkumagai [at] rainbow.iis

  • (Primary belongs to Yoshimura lab)

Yukinori Kojima : 児島 幸紀

Undergrad ( Apr 2024- )
mail: ykojima [at] rainbow.iis

  • Data asimilation of flood extent to a global river model

Wasif Shahriar : ওয়াশিফ শাহরিয়ার

Undergrad ( Oct 2024- )
mail: wasif [at] rainbow.iis

  • TBD

Collaborators / Alumni

Kei Yoshimura : 芳村 圭

( Apr 2018- ) Global Hydrology Group

Yukiko Hirabayashi : 平林 由希子

( Apr 2018- ) Research Fellow

  • Professor @ Shibaura Institute of Technology
  • WebPage

Taikan Oki : 沖 大幹

( Apr 2018- ) Global Hydrology Group

Xudong Zhou : 周 旭东

( Jan 2024- ) Research Collaborator

Menaka Revel : මේනක රෙවෙල්

( Sep 2023- ) Research Collaborator

Gang Zhao : 赵 刚

( Apr 2024- ) Research Collaborator

  • Assistant Prof @ Tokyo Institute of Technology
  • Flood hydrology; Hydrological modelling; Machine learning
  • Research Gate

Prakat Modi : प्रकट मोदी

( Apr 2023- ) Research Collaborator

Shuping Li : 李 庶平

( Sep 2020 - Sep 2024 ) Former PhD Student

Hiroaki Ikeuchi : 池内 寛明

( Apr 2016 - Mar 2019 ) Former PhD Student

  • River + tide/surge model coupling
  • WebPage

Jida Wang : 王 继达

( Apr 2022 - Aug 2023 ) Former Visiting Scholar

  • Associate Professor @ Kansas State University. Hydrological remote sensing: lake dynamics, hydrosphere-cryosphere interaction, human impacts.
  • WebPage

Victor Pellet :

( Jul 2019 - Nov 2020 ) Former JSPS Fellow

Etienne Fluet-Chouinard :

( June 2022-Aug2023 ) Former JSPS Fellow

Thanh Duc Dang : Đặng Đức Thanh

( Jul 2021-Aug2021 ) Former JSPS Fellow

  • Hydrological and Hydrodynamic Modelling; Remote Sensing
  • Google Scholar

Dirk Eilander :

( Mar 2019 - May 2019 ) Former Visitng PhD

  • Compound flood risk modelling
  • River network upscaling
  • WebPage

Former Students

Yang Hu : 胡 阳
PhD, 2024Sep

Shuping Li : 李 庶平
PhD, 2024Sep

Naho Yoden : 余田 奈穂
MA, 2024Mar

Shoji Takeshi : 庄司 健
MA, 2024Mar

Yining Sun : 孙 一宁
BA, 2023Sep

Kosuke Hattori : 服部公輔
MA, 2023Mar

Uddin Shahab : উদ্দিন শাহাব
MA, 2023Mar

Ikuto Kanbe : 神戸育人
MA, 2023Mar

Takumi Bannai : 坂内 匠
MA, 2023Mar

Prakat Modi : प्रकट मोदी
PhD, 2022Sep

Sawa Shimokawa : 下川さわ
MA, 2022Mar

Ruiqi Li : 李 瑞琪
MA, 2021Sep

Kota Adachi : 足立幸太
MA, 2021Mar

Kotaro Hamada : 浜田 光太郎
MA, 2021Mar

Risa Hanazaki : 花崎 梨紗
MA, 2021Mar (Yoshimura Lab)

Robuil MD Islam : মোঃ রবিউল ইসলাম
MA, 2020Sep

Yuki Ishikawa : 石川 悠生
BA, 2020Mar

Takuto Shiozawa : 塩澤 拓斗
MA, 2020Mar

Yoshiaki Tanaka : 田中 良明
MA, 2020Mar

Ryo Taguchi : 田口諒
MA, 2019Mar

Hiroaki Ikeuchi : 池内 寛明
PhD, 2019Mar

Please also visit the list of student thesis (PhD/MA/BA thesis)

Former Visitors

Mathilde Poussard : -
Visiting master, May-Aug 2024

Clément Janin : -
Visiting master, May-Aug 2024

Sakura Takahashi : 高橋 櫻
Undergrad RA, 2023

Ruida Zhong : 钟 睿达
Visiting PhD, 2023

Xue Xie : 解 雪
Visiting PhD, 2023

Monica Coppo : -
Former Visitng PhD, Sep 2022- Dec 2022

Xiaohu Yu : 余 晓虎
visiting master, 2022

Monica Coppo : -
Former Visiting PhD student, 2022

Takaaki Okouchi : 大河内 隆暁
UROP student, 2022

Mizuki Funato : 船戸 未月
UROP student, 2022

Gurpret Dass : -
visiting master, 2018

Administrative Support

Minako Yokoyama (m-yoko [at] iis.u-tokyo.ac.jp) and Yuki Tsukada (tsuka [at] rainbow.iis.u-tokyo.ac.jp) are helping us (and other groups) with administration.