OOIR: Observatory of International Research

Papers

(The TQCC of Hydrogeology Journal is 6. 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 2021-11-01 to 2025-11-01.)

Article	Citations
Shrikant Daji Limaye: From Deccan basalts to global hydrogeology	58
De-risking green energy from mine waters by developing a robust hydrogeological conceptual model of the UK Geoenergy Observatory in Glasgow	55
Controls on recharge in thick vadose zones under climate variability and change	43
Use of the analytical modeling of recession to describe a dual-aquifer effect	39
Porosity characterization using medical computed tomography scans of two deeply buried paleokarst aquifers in Silurian carbonates, southern Ontario, Canada	36
Multi-scale characterization of a complex karst and alluvial aquifer system in southern Germany using a combination of different tracer methods	33
A model of transmissivity and hydraulic conductivity from electrical resistivity distribution derived from airborne electromagnetic surveys of the Mississippi River Valley Alluvial Aquifer, Midwest US	30
Application of forensic hydrology to develop a conceptual model for a stratigraphically and structurally compartmentalized alluvial aquifer in the Lower Umatilla Basin, USA	29
Stress-dependent permeability of loess fill: evaluating hydrological impacts of land creation engineering in the Loess Plateau of China	26
Steady-state semianalytical solutions for assessing the two-dimensional hydraulic head distribution induced by an underground dam in a sloping aquifer with artificial aquifer recharge and pumping	23
Factors influencing water quality in surface water and alluvial groundwaters downgradient of a reclaimed surface coal mine in the Powder River Basin of southeastern Montana, USA	22
Analysis of groundwater flow through low-latitude alpine permafrost by model simulation: a case study in the headwater area of Yellow River on the Qinghai-Tibet Plateau, China	22
Review: Horizontal, directionally drilled and radial collector wells	21
Using groundwater temperature time-series to reveal subsurface thermal and hydraulic processes	19
Systematic visual analysis of groundwater hydrographs: potential benefits and challenges	19
Hydrochemical quality and microplastic levels of the groundwaters of Tuticorin, southeast coast of India	19
Impact of mixing on groundwater age and life expectancy simulations in density-dependent flow systems	18
Comparison of microbial indicators and seasonal temperatures as means for evaluating the vulnerability of water resources from karst and siliciclastic springs	18
An analytical method for predicting the groundwater inflow to tunnels in a fractured aquifer	16
The effect of fracture aperture and matrix permeability on suitability of the equivalent porous medium model for steady-state flow in fractured porous media	15
Utility trench water level recessions in an aquitard: findings from analytical and numerical analyses	15
Use of hydrochemical and isotopic tracers to investigate the groundwater quality and recharge processes of the shared Iullemeden Aquifer System in the Sahel region (Western Africa)	15
Downscaling GRACE-scale groundwater storage variations to aquifer scales: A linear regression approach based on the water balance concept	15
Textile dyes as a source of groundwater contamination in Mandalay, Myanmar	14
An analysis of perspectives on groundwater governance arrangements relating to the potential development of unconventional oil and gas in South Africa	14

Improving the spatial resolution of GRACE-based groundwater storage estimates using a machine learning algorithm and hydrological model	14
Bias in hydraulic head measurements from multilevel vibrating-wire piezometers with excessively permeable backfill	14
Surface-water/groundwater exchange in a sand dune lake in the Dry Pampean Plain, Argentina: stable isotopic evidence	14
Assessing the groundwater potential of the crystalline basement in the Greater Guwahati area, Assam, northeastern India, through the integration of lineament mapping and exploratory drilling	14
Topical Collection: International Year of Groundwater—managing future societal and environmental challenges	14
Michel Bakalowicz: Besides his contributions to a better understanding of coastal karst aquifers, a major scientist in karst hydrogeology	14
Comment on “Hydrodynamics of karst aquifers in metamorphic carbonate rocks: results from spring monitoring in the Apuan Alps (Tuscany, Italy)”: report published in Hydrogeology Journal (2023) 31:241–2	14
Characterization of groundwater in the hydrogeological network of Lom River basin in eastern Cameroon using a DC electrical method	14
Quantifying agricultural groundwater abstraction using an integrated watershed modeling approach, Mississippi Delta, USA	14
Groundwater and climate change: threats and opportunities	13
Shallow groundwater characterisation and hydrograph classification in the coastal city of Ōtautahi/Christchurch, New Zealand	13
Review: Application of hydrogeological models coupled with agent-based models to address sustainable groundwater management in Latin America	13
Deep fresh groundwater in offshore islands of Bangladesh and its implications for climate-resilient groundwater management in coastal aquifers	13
Multi-technique approach for estimating groundwater transit time through the saturated zone of an unconfined granular aquifer in Quebec, Canada	13
Age distribution of groundwater in fractured aquifers of the St. Lawrence Lowlands (Canada) determined by environmental tracers (3H/3He, 85Kr, SF6, CFC-12, 14C)	13
Unravelling the influence of heterogeneities and abstraction on groundwater flow and solute transport in a fractured carbonate aquifer, Sicily, Italy	12
A simplified method for evaluating shallow slope stability of slopes based on an indirectly coupled runoff and groundwater seepage model	12
Groundwater response to water diversion and surface-water management scenarios in the Yellow River Delta wetland reserve, China	12
Evaluation of groundwater–surface water interaction using end-member mixing analysis (EMMA) in the middle reaches of the Tama River, Tokyo, Japan	12
Groundwater recharge processes in the Lake Chad Basin based on isotopic and chemical data	12
Hydrochemical-geophysical study of saline paleo-water contamination in alluvial aquifers	11
Application of the opposing-coils transient electromagnetic method combined with ground-penetrating radar for the identification of shallow geohazards: a case study in Xiacun Town, Xinyu City, China	11
Conceptual hydrogeological model of the Hüdai Geothermal Field (Afyonkarahisar, Turkey) based on hydrochemical and environmental isotopic data	11
Tracking the dynamics of a local-scale lake using GRACE from a hydrogeological perspective	11
Reliability analysis of parameter estimation by modeling a constant-head test in a partially penetrating well in a two-zone confined aquifer	11
Groundwater recharge influenced by ephemeral river flow and land use in the semiarid Limpopo Province of South Africa	11
Landscape controls of surface-water/groundwater interactions on shallow outwash lakes: how the long-term groundwater signal overrides interannual variability due to evaporative effects	11
An improved steady-state semianalytical solution for assessing the two-dimensional hydraulic head distribution induced by an underground dam in a sloping unconfined aquifer	11
Hydrogeological origin of the CO2-rich mineral water of Vilajuïga in the Eastern Pyrenees (NE Catalonia, Spain)	11
Determination of areas vulnerable to pollution in a karstic river basin in Turkey via a decision support system based on DRASTIC, SWAT and isotopes analysis	11
Deciphering the mechanism of groundwater temperature changes associated with longwall mining in a coalfield, China, using the extreme gradient boosting method	10
Impact of urbanization on groundwater recharge: altered recharge rates and water cycle dynamics for Arusha, Tanzania	10
Characterizing the interaction of groundwater with surface water and precipitation in the Mongolian Plateau in China	10
Governance of disaster emergency wells in three cities in Japan affected by earthquakes	10
Improving hydrogeological understanding through well-test interpretation by diagnostic plot and modelling: a case study in an alluvial aquifer in France	10
Detection and socio-economic attribution of groundwater depletion in India	10
Characterisation of granite joint structures and their influence on permeability in the Beishan Underground Research Laboratory, China	10
Data and insights to advance characterization of groundwater resources in the Plaine des Gonaïves, Haiti	10
Continual long-term monitoring of methane in wells above the Utica Shale using total dissolved gas pressure probes	10
Application of a novel cascade-routing and reinfiltration concept with a Voronoi unstructured grid in MODFLOW 6, for an assessment of surface-water/groundwater interactions in a hard-rock catchment (S	10
Geometry of the modelled freshwater/salt-water interface under variable-density-driven flow (Pétrola Lake, SE Spain)	10
Extension variance: an early geostatistical concept applied to assess nitrate pollution in groundwater	10
Modelling groundwater/surface-water connectivity fluxes using cross-correlation analysis and flood rating curves, Szentendre Island floodplain, Hungary	10
Karst aquifers and water resource contamination in Haiti	10
Hydrogeology of an urban weathered basement aquifer in Kampala, Uganda	10
XLKarst, an Excel tool for time series analysis, spring recession curve analysis and classification of karst aquifers	10
Estimation of groundwater recharge rates using soil-water isotope profiles: a case study of two contrasting dune types on Langeoog Island, Germany	10
Regional modeling of groundwater recharge in the Basin of Mexico: new insights from satellite observations and global data sources	10
The effects of temperature, pressure and concentration on the hydraulic conductivity of deep groundwater-bearing layers	9
Preface: Hydrogeology of arid environments	9

Study on the hydraulic parameter differences between pumping and recharge in a confined aquifer of a soft soil area	9
Topical Collection: Advancements in hydrogeological knowledge of Haiti for recovery and development	9
Integrating shallow head measurements and InSAR data to quantify groundwater-storage change in San Joaquin Valley, California (USA)	9
Long datasets for improved understanding, management and protection of groundwater	9
Discriminant model and hydrogeochemical processes for characterizing preferential flow paths in four interconnected volcanic aquifers in Costa Rica	9
Water mixing processes in a complex multi-layer hydrosystem in southwestern Madagascar: a combined isotopic and piezometry approach	9
Understanding mechanisms of recharge through fractured sandstone using high-frequency water-level-response data	9
The seepage field around twin noncircular tunnels in anisotropic sloping	9
Can wells in the vadose zone be backflushed to regain infiltration capacity? Concept and laboratory test	9
Economic tradeoff between domestic well impact and reduced agricultural production with groundwater drought management: Tulare County, California (USA), case study	9
A novel probe for point injections in groundwater monitoring wells	9
Estimating water storage change from GRACE satellite data over the Breede Water Management Area, Western Cape, South Africa	9
A dynamic harmonic regression approach to estimating groundwater evapotranspiration based on diurnal groundwater-level fluctuations	9
A field test on the hydromechanical behaviour of flowing and nonflowing fractures in the 2.5 km COSC-1 borehole in crystalline rock, Sweden	9
Shallow-subsidence vulnerability in the city of New Orleans, southern USA	8
An autoregressive machine learning approach to forecast high-resolution groundwater-level anomalies in the Ramotswa/North West/Gauteng dolomite aquifers of Southern Africa	8
Deep-karst aquifer spring-flow trends in a water-limited system, Grand Canyon National Park, USA	8
Estimating groundwater mean transit time from SF6 in stream water: field example and planning metrics for a reach mass-balance approach	8
Editor’s Message: The 2022 Editors’ Choice articles	8
Hydrogeological characterization and utilization of the Siguatepeque aquifer, Honduras	8
Analytical methods to estimate the hydraulic conductivity of jointed rocks	8
Impact of surface reservoir construction on groundwater circulation and recharge in the Yangzhuang karst groundwater system, China	8
Integrated workflow incorporating the Hurst exponent and interval inversion for evaluating groundwater formations	8
Use of atmospheric tides to estimate the hydraulic conductivity of confined and semi-confined aquifers	8
Joint hydrofacies-hydraulic conductivity modeling based on a constructive spectral algorithm constrained by transient head data	8
Permeability of the weathered bedrock aquifers in Uganda: evidence from a large pumping-test dataset and its implications for rural water supply	8
Numerical simulations and analysis of enhanced geothermal reservoir parameters and thermal recovery based on microseismic data in the Cooper Basin, Australia	8
Complementarity of multiple in-situ techniques for spatiotemporal assessment of groundwater/surface-water exchanges	7
Correction: The 21st century water quality challenges for managed aquifer recharge: towards a risk-based regulatory approach	7
Groundwater recharge pathways to a weathered-rock aquifer system in a dryland catchment in Burkina Faso	7
Spatial evolution mechanisms underlying permeability differences at multiple locations along the same fault	7
Assessment of groundwater dynamics in Quaternary aquifers of the Phrae Basin, northern Thailand, using isotope techniques	7
Enhancing groundwater management with GRACE-based groundwater estimates from GLDAS-2.2: a case study of the Almonte-Marismas aquifer, Spain	7
Migration behavior of fugitive methane in shallow aquifers: Multiphase and multicomponent numerical modeling of field-scale conceptual models	7
Vadose zone modeling to identify controls on groundwater recharge in an unconfined granular aquifer in a cold and humid environment with different meteorological data sources	7
Emilio Custodio: a pioneer in groundwater management and key reference for hydrogeologists worldwide	7
Sediment size effects on non-Darcy flow: insights from Izbash equation and Forchheimer inertial coefficient analysis	7
Delineating groundwater-surface water interaction in a lake watershed (Sapanca Lake, NW Turkey)	7
Evaluation of water-level trends in the Mimbres Basin, southwest New Mexico (USA), using spatiotemporal kriging	7
Characterizing seasonal recharge between a river and shallow aquifer in a floodplain based on time-lapse electrical resistivity tomography	7
Correction: Emilio Custodio: a pioneer in groundwater management and key reference for hydrogeologists worldwide	7
Informing nitrate concentration trends: estimating groundwater residence time in a karstic, multiaquifer system using anthropogenic tracers (Minnesota, USA)	7
Evaluation of inferred conduit configurations in the Yucatan karst system (Mexico) from gravity and aeromagnetic anomalies, using MODFLOW-CFPv2	7
Identification of groundwater recharge and flow processes inferred from stable water isotopes and hydraulic data in Bilate River watershed, Ethiopia	7
Characterization of an onshore–offshore aquifer system in the Venetian Friulian Plain and north Adriatic Basin: a 3D modeling approach	6
Estimation of groundwater flux with active distributed temperature sensing and the finite volume point dilution method: a field comparison	6
Quantitative characterisation of Quaternary glaciofluvial aquifer heterogeneity using cluster analysis	6
Assessing the dispersion of hydraulic conductivity values estimated using the Dupuit, Thiem, and Boulton methods on repeated pumping tests in an unconfined aquifer	6
Calculation of fracture-conduit karst groundwater pressures and flows using a pipe network method	6
Prevention of well clogging during aquifer storage of turbid tile drainage water rich in dissolved organic carbon and nutrients	6
Improving the valuation of groundwater	6
Climate change impact on barrier island freshwater lenses and their transition zones: a multi-parameter study	6
How low-velocity non-Darcian flow in low-permeability media controls the leakage characteristics of a leaky aquifer system	6
Review: Recent progress on groundwater recharge research in arid and semiarid areas of China	6
Hydrological processes and water quality in arid regions of Central Asia: insights from stable isotopes and hydrochemistry of precipitation, river water, and groundwater	6
Correction: Groundwater and climate change: threats and opportunities	6
An improved analytical model for estimating ambient groundwater velocity from a single-well push–pull test through consideration of the velocity distortion zone	6
Modelling groundwater flow in the Plaine du Nord–Massacre shallow aquifer, Haiti	6
Upscaling equivalent hydrofacies simulation based on borehole data generalization and transition probability geostatistics	6
Reconnaissance of the Diquini and Mariani springs and insights regarding the Massif de la Selle karst aquifer of Haiti	6
The effect of synergistic injection of dissolved CO2 on the performance of geothermal extraction and assessment of carbon sequestration efficiency	6
Hydrochemistry, stable isotopes, and radon in waters of the Greater Timbavati catchment, South Africa	6
Review: Specific storage in aquitards	6
Correction: Feasibility of nitrate reduction combined with persulfate oxidation in the remediation of groundwater contaminated by gasoline	6
Estimating the permeability of crystalline rocks from geological data in remote northern environments: advantages and limitations	6
Review: Hydrogeology of Northern Mendoza (Argentina), from the Andes to the eastern plains, in the context of climate change	6
Estimation of unrecorded groundwater abstractions in Jordan through regional groundwater modelling	6
Comparison of methods to calculate groundwater recharge for karst aquifers under a Mediterranean climate	6
Water isotope analyses and flow measurements for understanding the stream and meteoric recharge contributions to the Poiano evaporite karst spring in the North Apennines, Italy	6
The subsidence–distance relationship for land subsidence induced by groundwater abstraction	6
Exploring groundwater drought responsiveness in lowland post-glacial environments	6
Assessment of the groundwater recharge processes of a shallow and deep aquifer system (Maggiore Valley, Northwest Italy): a hydrogeochemical and isotopic approach	6