HGS RESEARCH HIGHLIGHT – HGS-PDAF (version 1.0): a modular data assimilation framework for an integrated surface and subsurface hydrological model
Research Highlight, HGS, Groundwater, Hydrological processes, Hydrologic forecasting Veljko Zaric Research Highlight, HGS, Groundwater, Hydrological processes, Hydrologic forecasting Veljko Zaric

HGS RESEARCH HIGHLIGHT – HGS-PDAF (version 1.0): a modular data assimilation framework for an integrated surface and subsurface hydrological model

In their recent publication, Qi Tang and her team present an advancement in hydrological modelling: HGS-PDAF (version 1.0). This modular data assimilation framework is tailored specifically for integrated surface and subsurface hydrological modelling, offering a powerful tool for understanding and managing water resources in a changing environment.

Read More
HGS RESEARCH HIGHLIGHT – Same soil, different climate: Crop model intercomparison on translocated lysimeters
Research Highlight, HGS, Agriculture, Evapotranspiration, Climate Veljko Zaric Research Highlight, HGS, Agriculture, Evapotranspiration, Climate Veljko Zaric

HGS RESEARCH HIGHLIGHT – Same soil, different climate: Crop model intercomparison on translocated lysimeters

In this research highlight, researchers explored the dynamics of crop modelling across diverse climatic conditions using translocated lysimeters. The study investigates how crop models perform when applied to the same soil under different climatic regimes, shedding light on the complex interplay between soil and crop dynamics amidst changing environmental conditions.

Read More
HGS RESEARCH HIGHLIGHT – Small-scale topography explains patterns and dynamics of dissolved organic carbon exports from the riparian zone of a temperate, forested catchment
Research Highlight, HGS, Topography, Groundwater, Transport Veljko Zaric Research Highlight, HGS, Topography, Groundwater, Transport Veljko Zaric

HGS RESEARCH HIGHLIGHT – Small-scale topography explains patterns and dynamics of dissolved organic carbon exports from the riparian zone of a temperate, forested catchment

Examining the intricate dynamics of dissolved organic carbon (DOC) exports from riparian zones (RZs), a recent study conducted by a team of researchers highlights the predominant controls governing DOC export.

Read More
HGS RESEARCH HIGHLIGHT – Hydraulic Tomography Estimates Improved by Zonal Information From the Clustering of Geophysical Survey Data
Research Highlight, Case Studies, HGS, Hydrological processes, Transport Veljko Zaric Research Highlight, Case Studies, HGS, Hydrological processes, Transport Veljko Zaric

HGS RESEARCH HIGHLIGHT – Hydraulic Tomography Estimates Improved by Zonal Information From the Clustering of Geophysical Survey Data

Exploring innovative methods in groundwater characterization, Chenxi Wang and Walter A. Illman present a study on improving Hydraulic Tomography (HT) estimates through the integration of geophysical survey data. Hydraulic tomography offers valuable insights into subsurface heterogeneity by analyzing multiple pumping tests. However, challenges arise when insufficient observations lead to smooth or inaccurate tomograms. In this study, Wang and Illman investigate the integration of geophysical survey data into HT analysis to address this issue.

Read More
HGS RESEARCH HIGHLIGHT – Heat Tracing in a Fractured Aquifer with Injection of Hot and Cold Water
Research Highlight, Case Studies, HGS, Hydrological processes, Transport, Density-dependent flow, Geothermal, Fracture flow Veljko Zaric Research Highlight, Case Studies, HGS, Hydrological processes, Transport, Density-dependent flow, Geothermal, Fracture flow Veljko Zaric

HGS RESEARCH HIGHLIGHT – Heat Tracing in a Fractured Aquifer with Injection of Hot and Cold Water

In this comprehensive study, researchers explore the application of heat as a tracer in fractured porous aquifers, offering new perspectives on groundwater flow and transport dynamics. The research paper investigates the use of hot (50 °C) and cold (10 °C) water injections in a weathered and fractured granite aquifer, where the natural background temperature is 30 °C. This study relies on a number of advanced HGS capabilities including density-dependent geothermal energy transport, fracture flow and time-varying material properties.

Read More
HGS RESEARCH HIGHLIGHT – Using High-Resolution Data to Test Parameter Sensitivity of the Distributed Hydrological Model HydroGeoSphere
Research Highlight, Case Studies, HGS, Hydrological processes, Watershed hydrology, Sensitivity analysis, Calibration, Land surface modelling, Evapotranspiration Veljko Zaric Research Highlight, Case Studies, HGS, Hydrological processes, Watershed hydrology, Sensitivity analysis, Calibration, Land surface modelling, Evapotranspiration Veljko Zaric

HGS RESEARCH HIGHLIGHT – Using High-Resolution Data to Test Parameter Sensitivity of the Distributed Hydrological Model HydroGeoSphere

By integrating HydroGeoSphere in this study, the researchers demonstrate its versatility in accommodating high-resolution data and conducting sensitivity analyses across different spatial scales. Precipitation emerges as the most sensitive input data, significantly influencing total runoff and peak flow rates. Additionally, the study highlights the importance of spatially distributed land use parameterization in accurately simulating evapotranspiration components and patterns.

Read More
HGS RESEARCH HIGHLIGHT – Groundwaters in Northeastern Pennsylvania near intense hydraulic fracturing activities exhibit few organic chemical impacts
Research Highlight, Case Studies, HGS, Watershed hydrology, Transport, Ecosystem health Veljko Zaric Research Highlight, Case Studies, HGS, Watershed hydrology, Transport, Ecosystem health Veljko Zaric

HGS RESEARCH HIGHLIGHT – Groundwaters in Northeastern Pennsylvania near intense hydraulic fracturing activities exhibit few organic chemical impacts

In this comprehensive study, researchers investigated the potential impact of hydraulic fracturing activities on groundwater quality in Northeastern Pennsylvania, using a HydroGeoSphere model of a region with thirty gas-well pads. Modelling results suggest a low probability of systematic groundwater organic contamination in the region.

Read More
HGS RESEARCH HIGHLIGHT – How Does Topography Control Topography-Driven Groundwater Flow?
Research Highlight, Case Studies, HGS, Climate, Tile drains, Water resource management, Hydrological processes, Watershed hydrology Veljko Zaric Research Highlight, Case Studies, HGS, Climate, Tile drains, Water resource management, Hydrological processes, Watershed hydrology Veljko Zaric

HGS RESEARCH HIGHLIGHT – How Does Topography Control Topography-Driven Groundwater Flow?

In a study led by Xiaolang Zhang, Jiu Jimmy Jiao, Wensi Guo, researchers have comprehensively explored the mechanisms governing topography-driven groundwater flow. Their research showcases the complexities between varying rainfall patterns, topographic features, and groundwater flow dynamics, offering invaluable insights into hydrological processes.

Read More