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 2021-12-01 to 2025-12-01.)

Article	Citations
Susceptibility Assessment of Groundwater Nitrate Contamination Using an Ensemble Machine Learning Approach	36
The Possible Source of Abnormally High Sodium Content in Low‐Salinity Geothermal Water	30
	26
The Artesian Wells of Batavia, Dutch East‐Indies 1872 to 1878	25
Book Review: Transboundary Aquifers: Challenges and the Way Forward	24
Developing Data‐Rich Video of Surface Water–Groundwater Interactions for Public Engagement	24
A Reduced Order Model for Sea Water Intrusion Simulation Using Proper Orthogonal Decomposition	24
Groundwater Modeling in a Changing World: MODFLOW‐and‐More 2022 Special Issue	22
Study on Permeability Calculation Method Based on J Function and Fractal Theory	21
Factoring Impacts to Water Supply Well Operations into Groundwater Management Planning	20
Quantifying Annual Nitrogen Loss to Groundwater Via Edge‐of‐Field Monitoring: Method and Application	20
Surface Water‐Groundwater Connections as Pathways for Inland Salinization of Coastal Aquifers	20
Spatial Prediction Modeling of Geogenic Chromium in Groundwater Using Soft Computing Techniques	19
A New Explicit Solver for MODFLOW Enabling Small Time Step Simulations	19
Hydraulic Response to Sea Level Rise in a Coastal Aquifer Extending under the Sea with a Cut‐off Wall	18
Subglacial Meltwater Recharge in the Dongkemadi River Basin, Yangtze River Source Region	17
Improving Groundwater Model Calibration with Repeat Microgravity Measurements	17
Nitrogen and Phosphorus Treatment Can Be Sustainable During on‐Site Wastewater Disposal	16
	16
New Insights into the Formation and Properties of Wellbore Skin: Why We Have to Rethink the Concept	16
	15
	14
Improved Lumped‐Parameter and Numerical Modeling of Unsaturated Water Flow and Stable Water Isotopes	14
Variability and Scale Dependence of Hydraulic Conductivity for Hanford Site Sand and Gravel Aquifers	13
Transience of Coastal Water Table Rise in Response to Sea‐Level Rise	13

Challenges and Experiences of Managed Aquifer Recharge in the Mexico City Metropolitan Area	12
Society News	12
NGWA News	12
An Introduction to Hydraulic Testing in Hydrogeology	12
Evidence Based Estimation of Macrodispersivity for Groundwater Transport Applications	12
Issue Information	12
Comparing Physics‐Based, Conceptual and Machine‐Learning Models to Predict Groundwater Levels by BMA	11
Quantification and Analysis of Hydrograph Behavior Using Groundwater Signatures	11
Evaluation of Models for Estimating Hydraulic Conductivity in Glacial Aquifers with NMR Logging	10
Flow and Transport Modeling in Heterogeneous Sediments Using an Integral Approach	10
Breakthrough Curve Separation Using Applied Solute Tracers	9
	9
FAIR Models	8
An Alternative Mechanism of Land Subsidence: Osmotic Effects Due to Seawater Intrusion	8
muFlowReacT : A Library to Solve Multiphase Multicomponent Reactive Transport on Unstructured Meshes	8
Groundwater Science Could Use a New Term: Transportivity	8
Comment on “How Good is Your Model Fit? Weighted Goodness‐of‐Fit Metrics for Irregular Time Series”	7
Disagreeing to Agree: Multimodel Analyses to Develop Good Neighbor Agreements	7
A Unit‐Concentration Method to Quantify Source Contribution	7
Planning for a Multi‐Well Artificial Recharge Field in Kuwait with the Help of Numerical Modeling	7
Towards Improved Remedial Outcomes in Categorical Aquifers with an Iterative Ensemble Smoother	7
	7
Book Review: Urban Groundwater	7
Aquifer Characterization Using Fiber Bragg Grating Multi‐Level Monitoring System	7
Applying ²²⁴ Ra and	6
Society News	6
The Hydraulic Evolution of Groundwater‐Fed Pit Lakes After Mine Closure	6
A Case Study for Determination of the Best Underground Dam Sites, Bursa Province, Turkey	6
Using Geospatial Techniques and Analytic Hierarchy Process to Map Groundwater Potential Zones	6
An Agricultural Package for MODFLOW 6 Using the Application Programming Interface	6
A Tool for Forecasting the Arrival Time of a Tracer or a Pollutant at a Karst Spring	6
Flopy: The Python Interface for MODFLOW	6
Global Groundwater Carbon Mass Flux and the Myth of Atmospheric Weathering	6
The Three Ages of Water: Prehistoric Past, Imperiled Present, and a Hope for the Future	5
Society News	5
A Generic Closed‐Loop Contaminant Treatment System Package for MODFLOW 6	5
Wellbore Skin: Why Its Presence and Properties Are So Difficult to Predict	5
Groundwater Ages in Intertill and Buried Valley Aquifers in Saskatchewan, Canada	5
San Antonio Water System, Texas Carrizo Aquifer Storage Recovery Program	5
Society News	5
MODPATH‐RW : A Random Walk Particle Tracking Code for Solute Transport in Heterogeneous Aquifers	5
CMBEAR : Python‐Based Recharge Estimator Using the Chloride Mass Balance Method in Australia	5
Seasonal Groundwater Level Dynamics in Unconfined Aquifers across the United States	5
New Preconsolidation Heads Following the Long‐Term Hydraulic‐Head Decline and Recovery in Houston, Texas	5
Water Table Depth Estimates over the Contiguous United States Using a Random Forest Model	5
Is Groundwater Research Under Threat? A Look Into the Closure of the USEPA ORD	5
Impacts of Groundwater Pumping for Hydraulic Fracturing on Aquifers Overlying the Eagle Ford Shale	5
Book Review: Analytical Groundwater Modeling: Theory and Applications Using Python	5
Using Alternate Pumping and Cooperative Game Theory to Reduce Sea Water Intrusion	5
Evaluation of an Impulse‐Response Emulator for Groundwater Contaminant Transport Modeling	5

Estimating Characteristic Grain Sizes and Effective Porosity from Hydraulic Conductivity Data	5
Model‐Based Approach to Determine Critical Design Parameters for Tandem Circulation Well Remediation Systems	5
	5
Simulation‐Optimization Approach for Siting Injection Wells in Urban Area with Complex Hydrogeology	5
NGWA News	5
Dipole Flow Tracer Test Models for Identifying Skin Properties and Ambient Groundwater Flow Effects	5
Book Review: Karst Hydrogeology, Geomorphology, and Caves	4
Evaluation of Hydraulic Conductivity Estimates from Various Approaches with Groundwater Flow Models	4
Controls of Geochemical and Hydrogeochemical Factors on Arsenic Mobility in the Hetao Basin, China	4
Approximation of van Genuchten Parameter Ranges from Hydraulic Conductivity Data	4
Hydrogeological Functioning of a Karst Underground River Basin in Southwest China	4
What Can Groundwater Monitoring Tell Us About Gas Migration? A Numerical Modeling Study	4
A Century (1906‐2024) of Groundwater and Land Subsidence Studies in Greater Houston Region: A Review	4
A Review of Low‐Impact Development Factors Affecting Managed Aquifer Recharge	4
Time‐Lapse Geophysical Measurements for Monitoring Coastal Groundwater Dynamics in an Unconfined Aquifer	4
Continental Scale Hydrostratigraphy: Comparing Geologically Informed Data Products to Analytical Solutions	4
Geostatistical Mapping of Salinity Conditioned on Borehole Logs, Montebello Oil Field, California	4
	4
Distinguishing Mountain Front and Mountain Block Recharge in an Intermontane Basin of the Himalayan Region	4
Interpreting Concentrations Sampled in Long‐Screened Wells with Borehole Flow: An Inverse Modeling Approach	4
Saline Groundwater for Aquaculture: An Expanding Hydrogeological and Hydrogeophysical Frontier	4
SWIB —An Online Model to Estimate Daily Crop Water Stress, Irrigation Needs, and Soil Water Budget	4
Exploring Freshwater Beneath the Ocean Floor	4
Groundwater: The Missing Educational Curriculum	4
Information‐Driven Sequential Inversion for Transient Hydraulic Tomography	4
Generating a Statistically Constrained Quaternary Model of a Buried Bedrock Valley Using FDEM	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