Program Agenda
A shared folder provides example projects, theory and slide handouts, a parameter cheat sheet (van Genuchten and Feddes values for common textures), and reference papers.
Day 1 — October 13, 2026 — Theory and foundations
|
Time |
Session |
|
8:30 am |
Registration, coffee, and software check |
|
8:45 am |
Welcome, objectives, participant introductions and goals |
|
9:00 am |
Module 1: Water flow in the vadose zone. Richards equation, soil water retention, unsaturated hydraulic conductivity, van Genuchten-Mualem parameters |
|
9:55 am |
Coffee break |
|
10:05 am |
Module 2: Solute and nutrient transport theory. Convection-dispersion, dispersivity, sorption, and first-order decay |
|
10:55 am |
Module 3: HYDRUS overview. Capabilities, 1D versus 2D/3D, interface tour, project workflow |
|
11:30 am |
Lunch |
|
12:00 pm |
Module 4 (hands-on): Build a first HYDRUS-1D project. Domain geometry, spatial discretization, observation nodes, time information |
|
1:05 pm |
Afternoon break |
|
1:15 pm |
Module 5 (hands-on): Soil hydraulic properties, initial conditions, and boundary conditions. Run and visualize a simple infiltration and redistribution simulation |
|
2:10 pm |
Day 1 review and Q&A |
|
2:25 pm |
Adjourn |
Day 2 — October 14, 2026 — Applied modeling
|
Time |
Session |
|
8:30 am |
Coffee and informal troubleshooting |
|
8:45 am |
Recap of Day 1, questions |
|
8:55 am |
Module 6: Estimating hydraulic parameters. Rosetta pedotransfer functions, RETC, and the role of measured data; parameterizing a range of soil textures from sands to finer-textured soils |
|
9:45 am |
Coffee break |
|
9:55 am |
Module 7 (hands-on): Root water uptake and evapotranspiration. Feddes parameters, atmospheric boundary condition, evaporation and transpiration partitioning, an irrigated crop scenario |
|
11:05 am |
Lunch |
|
11:35 am |
Module 8 (hands-on): Nutrient transport. A nitrogen and phosphorus fertigation scenario, leaching below the root zone, mass balance interpretation |
|
12:35 pm |
Module 9: Introduction to HYDRUS 2D/3D. Drip and microsprinkler wetting patterns, emitter as a boundary, live demonstration |
|
1:20 pm |
Afternoon break |
|
1:30 pm |
Module 10 (hands-on clinic): Calibration and inverse modeling overview, plus a bring-your-own-data session where participants start a model from their own site |
|
2:15 pm |
Wrap-up, resources, evaluation, and certificates |
|
2:25 pm |
Adjourn |