Hyoun-Tae Hwang Publications
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46 publications

California Basin maps of water depth, precipitation, evapotranspiration, and saturation change
2026

Hydrological Analysis of the California Basin Model

PLOS Water · 5(6), e0000535

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Hydraulic conductivity cross-sections comparing kriging, geological zonation, and hydraulic tomography models for heat tracer transport
2026

Three-Dimensional Analysis of Heat Tracer Transport with High-Resolution Subsurface Heterogeneity Characterization in a Complex Aquifer System

Water Resources Research · 62(6), e2025WR042412

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Groundwater head and flow patterns with pressure head and flux profiles across active seepage and flux boundaries
2026

Improving Seepage Face Boundary Conditions for Dynamic Groundwater Systems

Water Resources Research · 62(2), e2025WR041547

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Three-dimensional identifiability distributions comparing five inverse modeling cases for a long-term heat tracer test
2026

Three-Dimensional Geostatistical Inverse Analyses of Transient Head and Temperature Data From a Long-Term Heat Tracer Test

Water Resources Research · 62(2), e2025WR041599

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Watershed elevation and cross-sections of hydraulic head, material zones, and particles around Gross Glienicke Lake
2025

Reinforce lake water balance components estimations by integrating water isotope compositions with a hydrological model

Hydrology and Earth System Sciences · 29(16), 3993–4014

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Graph neural network workflow for freshwater chemical estimation
2025

Unstructured mesh-based graph neural networks for estimating the spatiotemporal distribution of a human-induced chemical in freshwater

Water Research X · 28, 100367

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Diagram of a piezometer, seepage meter, and temperature probe used to measure vertical groundwater velocity at Osongji
2025

Evaluation of measurement methods for assessing vertical velocity in groundwater systems: a case study from Osongji, South Korea

Environmental Earth Sciences · 84(8), 199

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Dynamic meshing scheme for evolving landscapes
2025

A dynamic meshing scheme for integrated hydrologic modelling to represent evolving landscapes

Science of The Total Environment · 976, 179129

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Research figure for effects of soil heterogeneity and preferential flow
2024

Effects of soil heterogeneity and preferential flow on the water flow and isotope transport in an experimental hillslope

Science of The Total Environment · Volume 917, 170548

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Research figure for Antarctic active layer properties
2024

Assessment of hydraulic and thermal properties of the Antarctic active layer: Insights from laboratory column experiments and inverse modeling

Science of The Total Environment · 937, 173474

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Research figure for deep learning and watershed models
2024

Spatiotemporal estimation of groundwater and surface water conditions by integrating deep learning and physics-based watershed models

Water Research X · 23, 100228

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Research figure for streamflow generation
2024

Water sources and threshold behaviors of streamflow generation in a mountain headwater catchment

Journal of Hydrology · 644, 132117

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Research figure for monitoring network design
2024

Improving monitoring network design to detect leaks at hazardous facilities: Lessons from a CO₂ storage site

Science of The Total Environment · 950, 175256

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Research figure for Athabasca River groundwater contributions
2023

Estimation of groundwater contributions to Athabasca River, Alberta, Canada

Journal of Hydrology: Regional Studies · 45, 101301

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Research figure for runoff generation mechanisms
2023

Disentangling runoff generation mechanisms: combining isotope tracing with integrated surface/subsurface simulation

Journal of Hydrology · 129149

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Research figure for density-driven flow and transport
2023

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

Advances in Water Resources · 104380

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Research figure for parameterization and climate change analysis
2023

Application of Different Weighting Schemes and Stochastic Simulations to Parameterization Processes Considering Observation Error

Water · 15(10), 1880

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Research figure for push-pull tracer tests
2022

Evaluation of push–pull tracer tests for estimating groundwater velocity in a fractured-rock aquifer

Hydrogeology Journal · 30(7), 2171–2182

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Research figure for backward probability modeling
2022

Evaluating backward probability model under various hydrogeologic and hydrologic conditions

Journal of Contaminant Hydrology · 244, 103909

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Research figure for adaptive zone-based refinement
2021

An adaptive zone-based refinement method for characterizing a highly complex aquifer system model

Journal of Hydrology · 603, 126961

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Research figure for anthropogenic effects on a basin
2021

Estimating anthropogenic effects on a highly-controlled basin with an integrated surface-subsurface model

Journal of Hydrology · 603, 126963

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Research figure for landscape influences on hydrology
2021

Evaluating landscape influences on hydrologic behavior with a fully-integrated groundwater–surface water model

Journal of Hydrology · 602, 126758

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Research figure for Great Lakes groundwater interactions
2021

Investigating groundwater-lake interactions in the Laurentian Great Lakes with a fully-integrated surface water-groundwater model

Journal of Hydrology · 594, 125911

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Figure for dynamic mesh evolution patent
2021

Method and system for integrated surface water and groundwater modelling using a dynamic mesh evolution

US Patent Application · 17/273,958

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Research figure for groundwater geochemistry and carbon dioxide leakage
2020

Changes in Geochemical Composition of Groundwater Due to CO₂ Leakage in Various Geological Media

Water · 12(9), 2597

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Research figure for groundwater flow into underground openings
2020

Improving precision in regional scale numerical simulations of groundwater flow into underground openings

Engineering Geology · 274, 105727

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Research figure for geochemical reactions with aquifer materials
2020

Changes in geochemical and carbon isotopic compositions during reactions of CO₂-saturated groundwater with aquifer materials

International Journal of Greenhouse Gas Control · 95, 102961

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Research figure for multiple contaminant source zones
2020

Backward probability model for identifying multiple contaminant source zones under transient variably saturated flow conditions

Water Resources Research · 56(4), e2019WR025400

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Research figure for groundwater and surface water interactions in Niger
2020

Characterization of groundwater–surface water interactions using high resolution integrated 3D hydrological model in semiarid urban watershed of Niamey, Niger

Journal of African Earth Sciences · 162, 103739

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Research figure for climate impacts in Niamey
2020

High-resolution, integrated hydrological modeling of climate change impacts on a semi-arid urban watershed in Niamey, Niger

Water · 12(2), 364

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Research figure for continental-scale hydrology
2020

Towards a climate-driven simulation of coupled surface-subsurface hydrology at the continental scale: a Canadian example

Canadian Water Resources Journal · 45(1), 11–27

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Research figure for natural stimuli calibration
2019

Natural stimuli calibration with fining direction regularization in an integrated hydrologic model

Groundwater · 57(1), 21–35

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Research figure for climate impacts on surface water
2019

Simulating climate change impacts on surface water resources within a lake-affected region using regional climate projections

Water Resources Research · 55(1), 130–155

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Research figure for wastewater discharge influences
2019

Estimating cumulative wastewater treatment plant discharge influences on acesulfame and Escherichia coli in a highly impacted watershed

Water Research · 157, 647–662

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Research figure for water management operations
2019

Efficient numerical incorporation of water management operations in integrated hydrosystem models

Journal of Hydrology · 575, 1253–1266

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Research figure for climate impacts on soil moisture and groundwater
2019

Evaluating climate change impacts on soil moisture and groundwater resources within a lake-affected region

Water Resources Research · 55(10), 8142–8163

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Research figure for the Athabasca River Basin water balance
2018

Understanding the water balance paradox in the Athabasca River Basin, Canada

Hydrological Processes · 32(6), 729–746

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Research figure for coupled atmosphere surface and subsurface simulation
2018

Full coupling between the atmosphere, surface, and subsurface for integrated hydrologic simulation

Journal of Advances in Modeling Earth Systems · 10(1), 43–53

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Research figure for hydraulic conductivity methods
2017

Comparison of saturated hydraulic conductivity estimated by three different methods

Water · 9(12), 942

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Research figure for dual permeability tile drainage
2016

Dual permeability modeling of tile drain management influences on hydrologic and nutrient transport characteristics in macroporous soil

Journal of Hydrology · 535, 392–406

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Research figure for evapotranspiration estimation
2015

A simple iterative method for estimating evapotranspiration with integrated surface/subsurface flow models

Journal of Hydrology · 531, 949–959

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Research figure for coupled atmospheric and subsurface modeling
2015

Coupled atmospheric, land surface, and subsurface modeling: Exploring water and energy feedbacks in three-dimensions

Advances in Water Resources · 86, 73–85

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Research figure for TCE degradation
2015

Determination of rate constants and branching ratios for TCE degradation by zero-valent iron using a chain decay multispecies model

Journal of Contaminant Hydrology · 177, 43–53

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Research figure for parallel integrated hydrologic computation
2014

A parallel computational framework to solve flow and transport in integrated surface–subsurface hydrologic systems

Environmental Modelling & Software · 61, 39–58

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Research figure for multiphase reactive transport
2013

A multiphase flow and multispecies reactive transport model for DNAPL-involved compound specific isotope analysis

Advances in Water Resources · 59, 111–122

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Research figure for chain-decay contaminant transport
2013

A semi-analytical solution for simulating contaminant transport subject to chain-decay reactions

Journal of Contaminant Hydrology · 144(1), 20–45

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