Aquanty Newsletter - August 2025

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Message from the President

This summer has been an exciting one for Aquanty, marked by global partnerships, new knowledge-sharing initiatives and continued advancements in water modelling innovation.

Aquanty is pleased to announce a new partnership with GeoGreen21, a leading engineering and consulting firm in South Korea. The partnership— realized through the signing of a Memorandum of Understanding (MOU) on June 24, 2025 at GeoGreen21’s Seoul headquarters— marks a major milestone in expanding the reach of HydroGeoSphere (HGS) in South Korea.

We also released our first HydroClimateSight Feature Highlight, showcasing how HydroSphereAI blends deterministic and ensemble forecasting to deliver both precise short-term predictions and medium-range uncertainty estimates for streamflow. This dual approach supports better decision-making for flood preparedness, low-flow planning and day-to-day water management.

We’re pleased to share a recording of our most recent webinar on mine-dewatering simulations and climate change, presented by Dr. Andrea Brookfield. This session demonstrated how fully coupled groundwater–surface water models provide more reliable insights than conventional approaches— an important step for future water management in the mining sector.

And finally, we're pleased to announce one more webinar for the year. Join us in November as Dr. David Lapen from Agriculture and Agri-food Canada discusses tools and strategies for agricultural water management.

Thank you for your continued support, and we look forward to sharing more updates as we head into the fall.

- Steve Berg, President & CEO, Aquanty Inc.

Aquanty Partners with GeoGreen21 to Expand HydroGeoSphere in South Korea
Aquanty is pleased to announce a new partnership with GeoGreen21, a leading engineering and consulting firm in South Korea. The partnership— realized through the signing of a Memorandum of Understanding (MOU) on June 24, 2025 at GeoGreen21’s Seoul headquarters— marks a major milestone in expanding the reach of HydroGeoSphere (HGS) in South Korea.

With their strong reputation and national reach, GeoGreen21 is well positioned to bring HydroGeoSphere to the forefront of integrated water modelling in the Korean market. This partnership represents another important step in Aquanty’s global strategy to empower local organizations and communities with powerful, science-driven water modelling tools.

Learn more.

This month we released our first HydroClimateSight Feature Highlight, showcasing how HydroSphereAI blends deterministic and ensemble forecasting. Deterministic forecasts provide high-resolution short-term predictions, while ensemble forecasts quantify uncertainty with multiple scenarios. Together, they deliver precise near-term forecasts and probabilistic medium-range outlooks, helping users make better decisions for flood preparedness, low-flow planning, and daily water management.

Check out the feature highlight on our blog.

Webinar - Tools and Strategies for Agricultural Water Management

Join us for an enlightening webinar with Dr. David Lapen, as we dive into the tools and strategies for agricultural water management.

Date: December 10, 2025 at 12:00 PM - 1:00 PM.

Register Here

Webinar Recap: Assessing the Sensitivity of Subsurface Mine-Dewatering Simulations to Surface Water Representation - Aquanty Webinar

Discover how climate change and surface water interactions impact mine dewatering in our webinar with Dr. Andrea Brookfield. See how HydroGeoSphere shows the value of fully integrated vs. groundwater-only models for reliable long-term management.

Steady-state density-driven flow and transport: Pseudo-transient parameter continuation

Co-authored by Aquanty’s senior scientist, Hyoun-Tae Hwang, this research presents a new numerical approach for efficiently solving steady-state density-driven flow and transport equations— an important challenge in groundwater modelling, particularly for coastal aquifers affected by seawater intrusion. The research introduces a hybrid technique called pseudo-transient parameter continuation (PTPC), which combines the robustness of pseudo-transient continuation (PTC) methods with the computational efficiency of parameter continuation (PC) strategies.

Read More.

Vulnerability of the Saint-Charles drinking water source: portrait of the groundwater resources of the St-Charles River watershed and their links with surface water

In this HydroGeoSphere research highlight, researchers focused on understanding the vulnerability of the Saint-Charles River drinking water source and characterizing the groundwater resources that support it. Presented through a public-facing ArcGIS Story Map, this project delivers an accessible summary of a detailed hydrogeological study that integrates field measurements, geochemical analyses, and numerical modelling to evaluate the watershed’s current and future ability to provide safe, reliable drinking water for the City of Quebec and its surrounding municipalities.

Read More.

Understanding topography-driven groundwater flow using fully-coupled surface-water and groundwater modeling

This research focuses on understanding the dynamics of topography-driven groundwater flow systems using fully-coupled surface–subsurface hydrologic modelling with HydroGeoSphere. This study addresses long-standing challenges in representing nested flow systems by simulating interactions between climate, topography, and groundwater without relying on potentially unrealistic, static boundary conditions.

Read More.

Here are the latest "Water Issues" highlighted on the C1W blog this month:

Intro to HydroGeoSphere

Next session: November 5, 2025
Every month Aquanty's technical sales lead Brayden McNeill delivers a FREE half-day training session. Our Introduction to HydroGeoSphere training sessions cover essential topics such as the basic HGS workflow, the essential components of a *.grok file and visualizing model results.

REGISTER FOR TRAINING SESSION

HGS Software Release

Find our monthly HGS software update on our 'HGS Downloads' page, the August 2025 monthly software update is now available. This release improves channel flow accuracy, streamlines restart handling, enhances runtime performance for zone mapping, and adds new output options for better post-processing.

Key updates include:
• Fix for 1D channel storage term calculations for trapezoid, circle, and general geometries
• Restart files now only written upon successful simulation completion
• Faster execution of zone mapping from large regional models
• New water volume output files for porous and surface domains, compatible with hgs2vtu

As always, we are committed to the continued improvement to the user experience. Do you have suggestions for new commands or improvements to the user experience? Send your ideas to [email protected]!

Read the release notes to see recent improvements to HydroGeoSphere.

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