OOIR: Observatory of International Research

Papers

(The TQCC of Groundwater is 4. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2022-07-01 to 2026-07-01.)

Article	Citations
	56
A Reduced Order Model for Sea Water Intrusion Simulation Using Proper Orthogonal Decomposition	53
Groundwater Modeling in a Changing World: MODFLOW‐and‐More 2022 Special Issue	41
Book Review: Transboundary Aquifers: Challenges and the Way Forward	37
The Artesian Wells of Batavia, Dutch East‐Indies 1872 to 1878	33
Study on Permeability Calculation Method Based on J Function and Fractal Theory	33
A New Explicit Solver for MODFLOW Enabling Small Time Step Simulations	28
Society News	27
Susceptibility Assessment of Groundwater Nitrate Contamination Using an Ensemble Machine Learning Approach	27
Hydraulic Response to Sea Level Rise in a Coastal Aquifer Extending under the Sea with a Cut‐off Wall	27
The Possible Source of Abnormally High Sodium Content in Low‐Salinity Geothermal Water	23
Factoring Impacts to Water Supply Well Operations into Groundwater Management Planning	22
Surface Water‐Groundwater Connections as Pathways for Inland Salinization of Coastal Aquifers	21
Spatial Prediction Modeling of Geogenic Chromium in Groundwater Using Soft Computing Techniques	21
Predicting Groundwater Hydrochemical Facies in Three Dimensions with Random Forest Classification, USA	20
The Geology of Aquitards in Alluvial Aquifers: A Predictive Approach Based on Facies Models	20
Variability and Scale Dependence of Hydraulic Conductivity for Hanford Site Sand and Gravel Aquifers	19
Nitrogen and Phosphorus Treatment Can Be Sustainable During on‐Site Wastewater Disposal	17
	16
	16
	14
Transience of Coastal Water Table Rise in Response to Sea‐Level Rise	14
Improved Lumped‐Parameter and Numerical Modeling of Unsaturated Water Flow and Stable Water Isotopes	14
Challenges and Experiences of Managed Aquifer Recharge in the Mexico City Metropolitan Area	14
New Insights into the Formation and Properties of Wellbore Skin: Why We Have to Rethink the Concept	14

Society News	12
An Introduction to Hydraulic Testing in Hydrogeology	12
Evidence Based Estimation of Macrodispersivity for Groundwater Transport Applications	12
NGWA News	11
Issue Information	11
Quantification and Analysis of Hydrograph Behavior Using Groundwater Signatures	10
Issue Information	10
Improvements on Scalable and Reproducible Cloud Implementation of Numerical Groundwater Modeling	10
Bronze Age Sacred Wells of Sardinia, Italy: Groundwater Access Without Water Utility	10
A Unit‐Concentration Method to Quantify Source Contribution	9
Comparing Physics‐Based, Conceptual and Machine‐Learning Models to Predict Groundwater Levels by BMA	9
	9
muFlowReacT : A Library to Solve Multiphase Multicomponent Reactive Transport on Unstructured Meshes	8
Breakthrough Curve Separation Using Applied Solute Tracers	8
Groundwater Science Could Use a New Term: Transportivity	8
Flow and Transport Modeling in Heterogeneous Sediments Using an Integral Approach	8
	8
Disagreeing to Agree: Multimodel Analyses to Develop Good Neighbor Agreements	7
Towards Improved Remedial Outcomes in Categorical Aquifers with an Iterative Ensemble Smoother	7
Using Geospatial Techniques and Analytic Hierarchy Process to Map Groundwater Potential Zones	7
An Alternative Mechanism of Land Subsidence: Osmotic Effects Due to Seawater Intrusion	7
Evaluation of Models for Estimating Hydraulic Conductivity in Glacial Aquifers with NMR Logging	7
Flopy: The Python Interface for MODFLOW	7
Book Review: Urban Groundwater	7
Global Groundwater Carbon Mass Flux and the Myth of Atmospheric Weathering	7
A Case Study for Determination of the Best Underground Dam Sites, Bursa Province, Turkey	7
An Agricultural Package for MODFLOW 6 Using the Application Programming Interface	6
Society News	6
Monitoring Heat Transfer and Recharge Mechanisms in a Karst System Using Fiber Optic Distributed Temperature Sensing	6
NGWA News	6
Applying ²²⁴ Ra and	6
The Hydraulic Evolution of Groundwater‐Fed Pit Lakes After Mine Closure	6
San Antonio Water System, Texas Carrizo Aquifer Storage Recovery Program	6
Society News	5
Seasonal Groundwater Level Dynamics in Unconfined Aquifers across the United States	5
Underground Hydromusicology: Subjective Interpretations of Groundwater‐Inspired Electronic Music	5
Wellbore Skin: Why Its Presence and Properties Are So Difficult to Predict	5
Groundwater Salinity: Applying the Specific Conductance and Water Type Proxy	5
Book Review: Analytical Groundwater Modeling: Theory and Applications Using Python	5
Enhancing Recharge in the Edwards Aquifer, Texas: Measures, Outcomes, and Lessons for Karst Aquifers	5
Dipole Flow Tracer Test Models for Identifying Skin Properties and Ambient Groundwater Flow Effects	5
New Preconsolidation Heads Following the Long‐Term Hydraulic‐Head Decline and Recovery in Houston, Texas	5
A Generic Closed‐Loop Contaminant Treatment System Package for MODFLOW 6	5
Using Alternate Pumping and Cooperative Game Theory to Reduce Sea Water Intrusion	5
Impacts of Groundwater Pumping for Hydraulic Fracturing on Aquifers Overlying the Eagle Ford Shale	5
Is Groundwater Research Under Threat? A Look Into the Closure of the USEPA ORD	5
Basic Hydrogeology: An Introduction to the Fundamentals of Groundwater Science	5
The Three Ages of Water: Prehistoric Past, Imperiled Present, and a Hope for the Future	5
Read the Whole Issue!	5
Evaluation of an Impulse‐Response Emulator for Groundwater Contaminant Transport Modeling	5

MODPATH‐RW : A Random Walk Particle Tracking Code for Solute Transport in Heterogeneous Aquifers	5
Simulation‐Optimization Approach for Siting Injection Wells in Urban Area with Complex Hydrogeology	5
Society News	5
Discharge‐Targeted Hydraulic Tomography to Quantify and Locate Aquifer Discharge	4
	4
Model‐Based Approach to Determine Critical Design Parameters for Tandem Circulation Well Remediation Systems	4
Groundwater: The Missing Educational Curriculum	4
Time‐Lapse Geophysical Measurements for Monitoring Coastal Groundwater Dynamics in an Unconfined Aquifer	4
Revisiting MODFLOW 's Capability to Model Flow Through Sedimentary Structures	4
Accurate Simulation of Flow through Dipping Aquifers with MODFLOW 6 Using Enhanced Cell Connectivity	4
Information‐Driven Sequential Inversion for Transient Hydraulic Tomography	4
Water Table Depth Estimates over the Contiguous United States Using a Random Forest Model	4
Groundwater Ages in Intertill and Buried Valley Aquifers in Saskatchewan, Canada	4
Evaluation of Hydraulic Conductivity Estimates from Various Approaches with Groundwater Flow Models	4
	4
Saline Groundwater for Aquaculture: An Expanding Hydrogeological and Hydrogeophysical Frontier	4
Controls of Geochemical and Hydrogeochemical Factors on Arsenic Mobility in the Hetao Basin, China	4
Book Review: Karst Hydrogeology, Geomorphology, and Caves	4
Estimating Characteristic Grain Sizes and Effective Porosity from Hydraulic Conductivity Data	4
Continental Scale Hydrostratigraphy: Comparing Geologically Informed Data Products to Analytical Solutions	4
Exploring Freshwater Beneath the Ocean Floor	4
Interpreting Concentrations Sampled in Long‐Screened Wells with Borehole Flow: An Inverse Modeling Approach	4
What Can Groundwater Monitoring Tell Us About Gas Migration? A Numerical Modeling Study	4