Toshiyuki Bandai

This is Bandai Toshiyuki’s personal homepage. 日本語のページはこちら.

Current Position

Research Engineer

NTT Space Environmental and Energy Laboratories

Extreme Weather Futures Forecasting Technology Group, Resilient Environmental Adaptation Research Project

Email: toshiyuki.bandai at ntt.com (for work related to my work at NTT) or toshiyuki.bandai at gmail.com (for general questions and my previous work)
Google Scholar
Twitter
Research Gate

Biography (CV is available from here)

2025-present: Research Engineer, NTT Space Environment and Energy Laboratories
2023-2025: Postdoctoral Scholar, Lawrence Berkeley National Laboratory
2018-2022: Ph.D., Environmental Systems, University of California, Merced, Soil Physics Laboratory
2022: Summer intern for the Next Generation Workforce – Ingenuity Internship program, Lawrence Berkeley National Laboratory
2017-2018: Research Fellow DC1, Japan Society for the Promotion of Science, Japan
2015-2017: M.S., Biological and Environmental Engineering, The University of Tokyo, Japan, Soil Physics and Soil Hydrology Laboratory
2016: Junior Visiting Research Fellow, UNSW Sydney, Australia
2011-2015: B.S., Department of Agriculture, The University of Tokyo, Japan

Announcements

7/3/2024: A new paper on integrating neural networks into a physcs-based model (Richards’ equation) is published in Water Resources Research. The link is here.
6/27/2024: I gave a guest lecture at Water Summer School hosted by Texas A&M. The recording is avaialble form here.
6/24/2024: A paper on reactive transport paper is published in PNAS. The link is here I contributed to the software development for unsaturated flow.
5/29/2024: I am attending Hydro ML symposium at PNNL!
3/29/2024: Chapter 4 of my PhD dissertation is published in Journal of Hydrology. The link is here.
12/15/2023: I will talk about our latest work on differentiable modeling at AGU. The abstract is avaialbe from here.
12/11/2023: I will attend AGU Fall meeting in San Francisco. Contact me if you want to talk about research!
08/12/2023: My doctoral dissertation is finally electonically available on ProQuest.
07/11/2023: A perspective paper on differentiable modeling in Geosciences is publisehd on Nature Reviews Earth & Environment. I mainly contributed to adjoint methods in the paper.
05/22/2023: I am attending HydroML symposium at Berkeley!
03/03/2023: My Master’s study on laboratory experiment of thermal non-equilibrium in porous media was accepted by Journal of Groundwater Hydrology. The link is here.
02/01/2023: I started a postdoc position at Lawrence Berkeley National Laboratory!
01/23/2023: I gave a resaerch and outreach talk at Tokyo University of Agriculture and Technology. Thank Dr. Hirotaka Saito for hosting the seminar!
12/05/2022: I defended my dissertation on World Soil Day!

Publications

Google Scholar is very smart. Please also see the CV above.

Other notes

Other notes can be found in here.

Research Interests

Extracting soil hydraulic properties from soil moisture data
Large scale inverse modeling using differentiable modeling
Unsaturated water flow in arid regions
Reactive transport model