Drought, flood damage, and harmful algal bloom

How can we predict water risks and protect communities?

Hyoun-Tae Hwang in the field — **Hyoun-Tae Hwang, Ph.D. P.Geo.** Director of HydroGeoSphere, Aquanty, ON, Canada Adjunct Professor, University of Waterloo, ON, Canada

I combine hydrologic physics, numerical modelling, and AI to forecast floods, droughts, and contamination.

Curriculum Vitae ↗

Google Scholar ↗ ResearchGate ↗

01 / About

Key research highlights showing HydroGeoSphere partners and advances in computation, workflow, numerical methods, and high-performance computing

Overview of numerical modelling course notes

Modelling process from equations to practical applications

Research impact

46 peer-reviewed publications

Google Scholar · August 2026

1,144Citations

21h-index

29i10-index

Integrated hydrologyContaminant transportNumerical methodsAI for water

HydroGeoSphere

Advancing integrated hydrologic modelling

Since 2012, I have helped lead HydroGeoSphere development—from numerical methods and parallel computing to practical modelling workflows for connected surface-water and groundwater systems.

02 / Research

HydroGeoSphereWatershedsClimate resilienceGroundwater-surface water interaction

Mass exchangeRadionuclidesParticle trackingUncertainty

CVFE / CVFDDynamic meshingParallel computing

Physics-guided AINeural network algorithmsReal-time forecasting

One connected water cycle

Integrated Hydrology

I connect atmosphere, surface water, and groundwater in physically based models that resolve flow, energy, and water quality from individual sites to continental-scale systems.

03 / Publications

Google Scholar Citation impact Profile data · August 2026

1,144: Citations
21: h-index
29: i10-index

View profile ↗

Citations by year2026 YTD

2021

View all publications & downloads → View my Google Scholar profile ↗

04 / Teaching & mentorship

One Water.
Learning by application.

My teaching bridges physical theory, numerical implementation, and real-world practice—guiding students from governing equations to defensible water-management decisions.

2026

HydroGeoSphere Short Course & Workshop

Principal lecturer · Seoul, South Korea · 4 days

2026

Control Volume Finite Difference Methods

Principal lecturer · Jeonbuk National University · 40 hours

2025

Numerical Methods in Hydrogeology

Sessional lecturer · University of Waterloo

Ongoing

Graduate Supervision & Mentorship

Postdoctoral, doctoral, master's, and undergraduate researchers

05 / Contact

Let’s turn predictions into protection.

I’m open to research collaborations, Hydrologic modeling cooperation and training, invited talks, and graduate mentorship.

hyoun-tae.hwang@rocscience.com ↗ hthwang@uwaterloo.ca ↗