HYDRUS Workshop & Short course 2018

September 18-20, 2018
Tokyo, Japan

Download the flyer .

Go to Japanese page.

HYDRUS Workshop (September 20, 2018)

Advanced Modeling of Water Flow and Contaminant Transport in Porous Media


Reliable modeling of water flow and solute transport through the vadose zone is extremely important as the vadose zone recharges water resources such as groundwater and rivers, serves as a buffer and filter for contaminants, and supports agricultural activities. Numerical modeling is a key tool for analyzing complex physical, chemical, and biological processes in the vadose zone. The HYDRUS software that simulates numerically water and solute movement in soils has received increasing attention worldwide because of its flexibility and versatility. This workshop provides not only all current and future HYDRUS users but also researchers, practitioners, and students, in various disciplines who work on numerical analysis of flow and transport in porous media, opportunity to present and discuss their applications in research, management, and education. It also provides rare opportunity to discuss future modeling needs directly with HYDRUS developers.

The 6th international workshop will be held at the University of Tokyo on September 20, 2018. The workshop is organized by the Soil Physics Division of JSIDRE and Japanese Society of Soil Physics. Both oral and poster presentations (preferably in English) are welcome. A special issue on one of the international journals will allow presenters to publish their work as peer reviewed articles. Details will be announced later. The deadline for submitting an abstract (no more than 300 words) is August 24, 2018. When submitting, please include a title, the authors involved (underline the name of the person giving the presentation), and their affiliations. Feel free to forward this information to anyone who may be interested in the workshop. We hope to see you all in Tokyo soon!


  • The Japanese Society of Irrigation, Drainage and Rural Engineering (JSIDRE)
  • The Japanese Society of Soil Physics (JSSP)

Workshop location

Nakajima Memorial Hall at University of Tokyo, Faculty of Agriculture. For directions and more information, please visit the campus map.

Tentative schedule

9:00 - 16:00 Lectures/oral presentations, 16:00- Poster session and refreshment

Registration now closed

Registration fees

3,000 JPY (Registration includes: proceedings, coffee breaks, refreshments). The registration fee for students and for those who will be taking the short course will be free. The instruction for payment will be sent to you from the organizer after registration is made.

HYDRUS Short Course (September 18 & 19, 2018)

Modeling Water Flow and Contaminant Transport in Soils and Groundwater using the HYDRUS software package


The course begins with a detailed conceptual and mathematical description of water flow and solute transport processes in the vadose zone, followed by a brief overview of the use of finite element techniques for solving the governing flow and transport equations. Special attention is given to the highly nonlinear nature of the governing flow equation.

"Hands-on" computer sessions will provide participants an opportunity to become familiar with the Windows-based RETC, STANMOD, HYDRUS-1D and HYDRUS (2D/3D) software packages. Emphasis will be on the preparation of input data for a variety of applications, including flow and transport in a vadose zone, subsurface drip irrigation, variably-saturated flow in a transect with a stream, and flow and transport to a tile drain. Calibration will be discussed and demonstrated by means of both one- and two-dimensional inverse problems.


  • Dr. Jirka Simunek is a Professor of Hydrology with the Department of Environmental Sciences of the University of California. His expertise is in numerical modeling of subsurface water flow and solute transport processes and inverse procedures for estimating the hydraulic properties of unsaturated porous media. He has authored and coauthored over 250 peer-reviewed publications and over 20 book chapters. His numeric models are used by virtually all scientists, students, and practitioners modeling water flow, chemical movement, and heat transport through variably saturated soils.
  • ? Japanese translation will be given if necessary.
Course software

The course introduces a new generation of Windows-based numerical models for simulating water, heat and/or contaminant transport in variably-saturated porous media. These include the HYDRUS-1D and HYDRUS (2D/3D) codes for one- and two-dimensional simulations, respectively, the STANMOD code for evaluating solute transport in the subsurface using one- and multi-dimensional solutions of the advection-dispersion equation, the RETC code for evaluating the hydraulic properties of unsaturated media, and the Rosetta code for estimating the soil hydraulic properties (and their uncertainty) from soil texture and related data. HYDRUS-1D and HYDRUS (2D/3D) are supported by interactive graphics-based interfaces for data-preprocessing, generation of unstructured as well as structured finite element grid systems, and graphic presentation of the simulation results. Except for HYDRUS (2D/3D) , all software packages are in the public domain.

Course location

Lecture room 2-23, Building 2, Tokyo University of Agriculture & Technology, Faculty of Agriculture, Fuchu, Tokyo, Japan. For directions and more information, please visit the campus map

Tentative schedule

The courses will be held 9:00 -18:00 each day.

Registration now closed

Registration fees

20,000 JPY (5,000 JPY for students). Registration includes: course materials, refreshments, and registration for the workshop. The instruction for payment will be sent to you from the organizer after registration is made.

Please bring your own Windows laptop to the course. There is no need to buy the software prior to the class.

Accommodation in Tokyo

We cannot offer special rates for participants of the HYDRUS short course and workshop at this point. There is a number of hotels in Tokyo from where you can commute easily to TUAT and U-Tokyo by taking public transportation. If you need help to reserve the room, please contact us.


Please contact hydrus2018-groups <at> go.tuat.ac.jp for any inquiry.

Hirotaka Saito
Department of Ecoregion Science
Tokyo University of Agriculture & Technology
3-5-8 Saiwai-cho, Fuchu, Tokyo, 183-8509
Tel & Fax: +81-42-367-5584
Email: hiros<at>go.tuat.ac.jp

Nobuo Toride
Graduate School of Bioresources
Mie University
Tel: 059-231-9583, Fax: 059-231-9604
E-mail: ntoride<at>bio.mie-u.ac.jp

Last update: March 23, 2018