Quick Tutorials — 31 Step-by-Step Lessons

Build a simple synthetic groundwater model from scratch — ideal first tutorial for new users. Covers grid setup, boundar

Build a steady-state 2D groundwater flow model: set up boundary conditions, hydraulic conductivity, recharge, and wells,

Apply the Theis analytical solution for confined aquifer pumping tests. Fit drawdown data to estimate transmissivity and

Track forward and backward particle paths through a computed groundwater flow field to delineate flow patterns, capture

Compute water budget terms (recharge, ET, well discharge, boundary fluxes) for the full model domain and custom sub-regi

Simulate solute transport with advection, dispersion, and reaction. Set source zones, observation wells, and visualize c

Switch from the default transport engine to MT3D-USGS and compare advection solvers (MMOC, FDM, MOC, HMOC, ULTIMATE) to pick the right one for your plume.

Simulate PCE→TCE→DCE→VC chain decay, BTEX biodegradation, and multi-species reactive transport with the MT3DMS post-analysis tool.

Couple variable-density flow (saltwater intrusion, brine plumes) with realtime multi-species reactive transport using SEAWAT or MODFLOW-6. Runs inside the main simulation loop — the transient-flow counterpart to Tutorial 30.

Create a detailed sub-model embedded within a regional model. Interpolate boundary conditions from the parent model to t

Capture vertical flow components using a quasi-3D or profile-based approach. Compare 2D vs 3D representations of groundw

Set up a transient simulation with time-varying stresses, initial conditions, and storage parameters. Analyze time-serie

Calibrate the model to observation data using automated PEST-based parameter estimation or manual trial-and-error adjust

Model multi-layer aquifer systems with different conductivities, storage, and vertical leakance. Compare fully 3D vs qua

Organize complex models into hierarchical zones for easier parameter management and calibration. Uses zone-based paramet

Create vertical cross-section (profile) models to analyze flow in the vertical dimension. Useful for studying layered aq

Import GIS shapefiles for boundaries, wells, rivers, and hydraulic properties. Map shapefile attributes to model input a

Use IGW-NET post-analysis tools: head contours, flow vectors, drawdown, water table, zone budgets, and custom cross-sect

Build 3D geologic property fields using T-PROGS (transition probability geostatistics) for realistic heterogeneity repre

Visualize 3D groundwater flow fields with streamlines, isosurfaces, and slices. Interactive 3D navigation and export.

3D point data interpolation and visualization. Kriging, inverse distance weighting, and other methods for 3D datasets.

Run a single realization of a stochastic flow simulation with randomly generated heterogeneous conductivity fields.

Run Monte Carlo flow simulations with many realizations of heterogeneous properties. Analyze ensemble statistics of head

Monte Carlo contaminant transport simulations to assess uncertainty in concentration predictions from uncertain conducti

Compute probabilistic well capture zones from Monte Carlo particle tracking. Quantify capture probability spatially.

Automated parameter estimation using optimization algorithms. Set up observation data, parameter bounds, and run inverse

Build models on an unstructured (triangular or polygonal) grid. Useful for complex geometries and local refinement.

Visualize and analyze results from unstructured grid simulations. Covers head contours, flow vectors, and mass balance o

Use the MODFLOW Analysis Tool to visualize and interrogate existing MODFLOW model outputs directly within IGW-NET.

Build a groundwater model using input data prepared in DataNET. Integrates DataNET-processed layers directly into IGW-NE

Process point data and run regression analysis: trend surfaces, spatial interpolation, and statistical summaries.