Four GMDSI workshops coming up
GMDSI has a series of workshops planned across the world in the second half of 2025. Designed for practitioners, the workshops will showcase real-world case
August 14, 2025
News
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmfod of the tempor incint ut labore et dolore magna aliqua. In eu mi bibendum neque egestas lorem congue quisque egestas. Iaculis nunc sed augue lacus viverra vitae congue eu. Lacinia quisk vsel eros donec alloc odio tempor orci aloma noyr dapibus.
Featured
PEST Book Second Edition Free
Edition 2 of the “PEST Book” has just been released. The book provides complete theory and practice behind simulation-based harvesting of information from site data. It
August 7, 2025
Modelling an Open Loop Low Temperature Geothermal System
Download a slideshow and an accompanying comprehensive tutorial that demonstrates the use of the MODFLOW 6 Groundwater Energy Transport (GWE) model in simulating an open
April 1, 2025
DSIVC revisited
This tutorial re-visits DSIVC or “data space inversion with variable control”. DSIVC is a numerically cheap way to undertake optimization under uncertainty. The present tutorial
December 6, 2024
Decision-support modelling self-questionnaire
This short document presents a series of questions that may help you to design a decision-support groundwater model. It is not long; it takes three
November 14, 2024
Moveable, stochastic alluvial channels using splines
This tutorial demonstrates some unique features of PLPROC. It shows you how to do some special things, in both deterministic and stochastic ways. These include
November 9, 2024
GMDSI Workshop: Simulator Partner Technologies: When to use What, and Why – Perth
Description The last few years have seen considerable advances in methodologies and software that can be used in partnership with numerical simulation to support groundwater
August 7, 2024
3D Ensemble Space Inversion and Nonstationary Geostats
This comprehensive tutorial demonstrates fast, efficient calibration of a complex 3D model. It complements a previous tutorial on a similar subject. However it shows how
July 22, 2024
Decision-Support Modelling Appropriateness and the Journey of Information
This short monograph packs a lot of punch. It starts by solving an almost trivial, nonunique inverse problem. While simple, the problem is typical of
June 18, 2024
Optimization under Uncertainty using DSI
Optimization under uncertainty is notoriously numerically intensive. However its numerical burden can be reduced if data space inversion (DSI) is used to construct a surrogate
May 12, 2024
ENSI and Linear Analysis
Ensemble space inversion (ENSI) enables efficient, regularisation-constrained calibration of complex, highly-parameterised models. This tutorial demonstrates how linear analysis can be undertaken in partnership with the
April 21, 2024
Ensemble Space Inversion
Ensemble space inversion (ENSI) is implemented through the PEST_HP suite (version 18). Using ENSI you can calibrate a complex model quickly. The calibration subspace is comprised
April 13, 2024
News
Webinar series attracts international audience
Predicting the future of any environmental system is fraught with uncertainty; nevertheless, decisions must be made and risks must be assessed. This is where decision
July 8, 2020
Global Miners Back Groundwater Modelling Project
Led by the National Centre for Groundwater Research and Training (NCGRT) at Flinders University and in conjunction with the mining and groundwater industries, the Groundwater
April 21, 2020