
Coastal Hydrology, Thermal Energy Transport and Density-Dependent Flow Applications
Understanding the effects of temperature, salinity and solute concentrations on fluid density is crucial for accurately modelling and predicting groundwater movement, contaminant transport, and the sustainable management of groundwater resources, especially in coastal regions. Density-dependent flow modelling provides a framework for incorporating these effects into hydrogeological analyses and decision-making processes.
Whether fluid density dynamics are driven by elevated solute concentrations, geothermal energy or saltwater effects, Aquanty’s flagship simulation platform HydroGeoSphere represents an industry leading solution for accurately simulating density driven flow systems, with full support for density effects in all available model domains including surface and groundwater flow, fracture flow, and more.
Benefits of Integrated Hydrologic Modelling
Understand climate change impacts and support adaptation plans
Improve resilience to extreme weather
Scenario analysis & historical reanalysis of events
Investigate the effects of engineered designs on coastal aquifer health
Reduce uncertainty through a physics-based approach
Aquanty’s physics-based approach to modelling integrated hydrology reduces the uncertainty inherent in statistical approaches to environmental simulations.
Density-driven flow supported in all model domains, including surface and groundwater;
Fully-integrated hydrologic simulations consider various interconnected components of a watershed including surface water, groundwater, precipitation, land use, soil types, and more. This comprehensive view helps managers achieve a comprehensive & holistic understanding of coastal hydrology.
Assess and mitigate risk associated with coastal storm events, enabling you to plan for and develop resilient communities & economies, and secure vulnerable coastlines.
Support climate adaptation plans using sophisticated integrated hydrologic models which directly couple oceanography with terrestrial hydrology, providing the most reliable and realistic way to evaluate climate change impacts on coastal hydrology.
Special Projects
Aquanty’s flagship simulation platform HydroGeoSphere represents an industry leading solution for accurately simulating density driven flow systems, with full support for density effects in all available model domains including surface and groundwater flow, fracture flow, and more.
Water Resources Analysis for the Volcanic Island of Jeju, South Korea:
Regionalscale integrated hydrologic modelling of Jeju Island indicates that there are various distinct groundwater systems with different characteristic such as a mountainous recharge system, an active coastal groundwater system, a stable deep freshwater system, and a saline groundwater system. The regional model helped to better interpret and manage water resources on the island.
Integrated Hydrologic Analysis for the Miura Coastal Aquifer System:
Density-driven groundwater flow plays a critical role for freshwater and sea water interaction in coastal aquifer systems and for both water quantity and quality. An example in Miura Peninsula, Japan, indicates that the location of the interface between freshwater and saline water is determined by multiple factors such as topography, meteorologic driving forces, and subsurface geology.
Effects of floodplain shading on hyporheic aquifer temperatures:
HydroGeoSphere can be used to simulate water and heat transport in floodplains under variable riparian forest densities. Model results indicate that shade mediates the warming of hyporheic and channel water. Consideration of floodplain shade management, both during and after restoration actions, may improve outcomes for restoration of stream channel temperatures.

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