OOIR: Observatory of International Research

Papers

(The median citation count of Vadose Zone Journal is 1. 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 2020-04-01 to 2024-04-01.)

Article	Citations
Current understanding of subsurface transport of micro‐ and nanoplastics in soil	36
A global 1‐km downscaled SMAP soil moisture product based on thermal inertia theory	27
Geophysics conquering new territories: The rise of “agrogeophysics”	26
Soil texture and structure heterogeneity predominantly governs bulk density gradients around roots	22
Soil evaporation and its impact on salt accumulation in different landscapes under freeze–thaw conditions in an arid seasonal frozen region	18
Dual‐permeability modeling of preferential flow and snowmelt partitioning in frozen soils	16
Influence of agricultural managed aquifer recharge on nitrate transport: The role of soil texture and flooding frequency	15
Impact of biochar and lignite‐based amendments on microbial communities and greenhouse gas emissions from agricultural soil	13
Soil water potential: A historical perspective and recent breakthroughs	13
Developing a strategy for the national coordinated soil moisture monitoring network	12
Root architecture development in stony soils	12
Seismic signatures reveal persistence of soil compaction	11
Pore‐scale modeling of microbial activity: What we have and what we need	11
Evaluating the joint use of GPR and ERT on mapping shallow subsurface features of karst critical zone in southwest China	10
Toward high‐resolution agronomic soil information and management zones delineated by ground‐based electromagnetic induction and aerial drone data	10
Modeling NO₃–N leaching during establishment of turfgrasses irrigated with tailored reclaimed water	10
Time‐lapse mapping of crop and tillage interactions with soil water using electromagnetic induction	10
Measuring nitrate leaching across the critical zone at the field to farm scale	9
Prediction of soil evaporation measured with weighable lysimeters using the FAO Penman–Monteith method in combination with Richards’ equation	9
Effects of evolving salt precipitation on the evaporation and temperature of sandy soil with a fixed groundwater table	9
Natural and forced soil aeration during agricultural managed aquifer recharge	9
Evapotranspiration estimation in rain gardens using soil moisture sensors	9
Microplastic induces soil water repellency and limits capillary flow	9
Recharge site assessment through the integration of surface geophysics and cone penetrometer testing	9
Cover systems with synthetic water‐repellent soils	8

Quantifying hydrologic pathway and source connectivity dynamics in tile drainage: Implications for phosphorus concentrations	8
Analyzing dual porosity in soil hydraulic properties using soil databases for pedotransfer function development	8
Calibration and validation of soil water reflectometers	7
Optimization of soil aquifer treatment (SAT) operation using a reactive transport model	7
Closed‐form hydraulic conductivity equations for multimodal unsaturated soil hydraulic properties	7
Machine learning in vadose zone hydrology: A flashback	7
Mercury intrusion porosimetry and centrifuge methods for extended‐range retention curves of soil and porous rock samples	7
Relationship between hydraulic properties and material features in a heterogeneous vadose zone of a vulnerable limestone aquifer	7
Slope and aspect controls on soil climate: Field documentation and implications for large‐scale simulation of critical zone processes	7
Impact of phosphate adsorption on the mobility of PANI‐supported nano zero‐valent iron	7
Dynamic groundwater recharge simulations based on cosmic‐ray neutron sensing in a tropical wet experimental basin	7
Soil water isotherm model for particle surface sorption and interlamellar sorption	6
Phosphate oxygen isotope ratios in vegetated riparian buffer strip soils	6
Soil moisture and electrical conductivity relationships under typical Loess Plateau land covers	6
Impact of heavy metal cations on deposition and release of clay colloids in saturated porous media	6
Wavelet analysis of soil water state variables for identification of lateral subsurface flow: Lysimeter vs. field data	6
Numerical investigation on light non–aqueous phase liquid flow in the vadose zone considering porosity effects on soil hydraulic properties	6
Feasibility assessment on use of proximal geophysical sensors to support precision management	6
Monitoring spatiotemporal soil moisture variability in the unsaturated zone of a mixed forest using electrical resistivity tomography	6
Expansion and evaluation of two coupled root–shoot models in simulating CO₂ and H₂O fluxes and growth of maize	6
Monitoring critically saturated conditions for shallow landslide occurrence using electrical resistivity tomography	6
Parasite inversion for determining the coefficients and time‐validity of Philip's two‐term infiltration equation	6
Cover crops and tillage effects on carbon–nitrogen pools: A lysimeter study	6
Cotransport of titanium dioxide nanoparticles and formaldehyde in saturated and unsaturated columns packed with quartz sand	6
Preferential flow under high‐intensity short‐duration irrigation events in soil columns from a karst and nonkarst landscape	5
On the three‐parameter infiltration equation of Parlange et al. (1982): Numerical solution, experimental design, and parameter estimation	5
Feasibility study on prepolarized surface nuclear magnetic resonance for soil moisture measurements	5
Knowledge‐guided machine learning for improving daily soil temperature prediction across the United States	5
A soil moisture‐based framework for guiding the number and location of soil moisture sensors in agricultural fields	5
Effects of climate change on depression‐focused groundwater recharge in the Canadian Prairies	5
Determining groundwater recharge for quantifying PFAS mass discharge from unsaturated source zones	5
Towards new soil water flow equations using physics‐constrained machine learning	5
Removing the effects of temperature on electrical resistivity tomography data collected in partially frozen ground: Limitations and considerations for field applications	5
Soil hydraulic interpretation of nuclear magnetic resonance measurements based on circular and triangular capillary models	4
The feasibility of shortwave infrared imaging and inverse numerical modeling for rapid estimation of soil hydraulic properties	4
Gas diffusivity‐based characterization of aggregated soils linking to methane migration in shallow subsurface	4
Hydrodynamic characterization of soil compaction using integrated electrical resistivity and X‐ray computed tomography	4
Colloidal catchment response to snowmelt and precipitation events differs in a forested headwater catchment	4
Investigating the controls on greenhouse gas emission in the riparian zone of a small headwater catchment using an automated monitoring system	4
Same soil, different climate: Crop model intercomparison on translocated lysimeters	4
Testing the EPIC Richards submodel for simulating soil water dynamics under different bottom boundary conditions	4
A field evaluation of the SoilVUE10 soil moisture sensor	4
Fate and transport of Cryptosporidium parvum oocysts in repacked soil columns: Influence of soil properties and surfactant	3
Colloidal transport of heavy metals in low‐advective‐velocity environmental systems: Reactive transport model on biogeochemical and hydrodynamic impacts	3
Methods for downhole soil water sensor calibration—Complications of bulk density and water content variations	3
Compressional wave velocity and effective stress in unsaturated soil: Potential application for monitoring moisture conditions in vadose zone sediments	3
A parametric sensitivity analysis for prioritizing regolith knowledge needs for modeling water transfers in the West African critical zone	3
MesoSoil v2.0: An updated soil physical property database for the Oklahoma Mesonet	3
Nitrate contamination of urban groundwater and heavy rainfall: Observations from Dakar, Senegal	3
Simplified characteristic time method for accurate estimation of the soil hydraulic parameters from one‐dimensional infiltration experiments	3

Examining subsurface response to an extreme precipitation event using HYDRUS‐1D	3
A methodology for simulating perched conditions in multilayer aquifer systems with 2D variably saturated flow	3
Heterogeneous multiphase flow properties of volcanic rocks and implications for noble gas transport from underground nuclear explosions	3
Coupled inversion of hydraulic and self‐potential data from transient outflow experiments to estimate soil petrophysical properties	3
Managed aquifer recharge site assessment with electromagnetic imaging: Identification of recharge flow paths	3
Relationships between carbon age and CO₂ efflux in agricultural and drainage ditch soils using the thermonuclear bomb pulse	3
The site‐specific selection of the infiltration model based on the global dataset and random forest algorithm	2
Combining root and soil hydraulics in macroscopic representations of root water uptake	2
Root water uptake of biofuel crops revealed by coupled electrical resistivity and soil water content measurements	2
Pedotransfer functions developed for calculating soil saturated hydraulic conductivity in check dams on the Loess Plateau in China	2
Innovative method for installing soil moisture probes in a large‐scale undisturbed gravel lysimeter	2
Tracing lateral subsurface flow in layered soils by undisturbed monolith sampling, targeted laboratory experiments, and model‐based analysis	2
Parameter estimation from spontaneous imbibition into volcanic tuff	2
Plant growth‐promoting rhizobacteria mediate soil hydro‐physical properties: An investigation with Bacillus subtilis and its mutants	2
In‐situ tin casting combined with three‐dimensional scanner to quantify anecic earthworm burrows	2
The role of hydropedology when aiming for the United Nations Sustainable Development Goals	2
Applicability of soil moisture sensors for monitoring water dynamics in rock: A field test in weathered limestone	2
Developing a soil column system to measure hydrogeophysical properties of unconsolidated sediment	2
Laboratory experiments and dual‐domain modeling of infiltration dynamics in partially saturated fractured porous media	2
Relationships among water and gas transport properties in soils from natural and induced clay gradients	1
Biochar modifies soil physical properties mostly through changes in soil structure rather than through its internal porosity	1
Microbial and solute transport through intact vadose zone cores of heterogeneous alluvial gravel under variably saturated conditions	1
Trends in regolith thickness in a headwater catchment, Sierra Nevada, California	1
Validating coupled flow theory for bare‐soil evaporation under different boundary conditions	1
Experimental quantification of interfacial convections at the water–nonaqueous‐phase liquid interface in microfluidic systems	1
In situ measurement of 3D contact angle in sand based on X‐ray computed tomography	1
Quantification of data‐related uncertainty of spatially dense soil moisture patterns on the small catchment scale estimated using unsupervised multiple regression	1
Editorial: Open Access on the move	1
Main water pathways in cultivated clayey calcisols in molassic hills in southwestern France: Toward spatialization of soil waterlogging	1
Preface: Special section on emerging particles and biocolloids in terrestrial and aquatic systems	1
Modification of a 3D printer to create geologically realistic heterogeneous sand packs	1
Experiment for validation of numerical models of coupled heat and mass transfer around energy cables	1
Soil hydraulic conductivity in the state of nonequilibrium	1
Microbial mediated carbon and nitrogen cycling in the spatially heterogeneous vadose zone: A modeling study	1
Mapping spatiotemporal soil moisture in highly heterogeneous agricultural landscapes using mobile dual‐spectra cosmic‐ray neutron sensing	1
How solid–liquid adsorption affects the liquid–vapor interface in pores	1
Noble gases in aquitard provide insight into underlying subsurface stratigraphy and free gas formation	1
Transdisciplinary contributions and opportunities in soil physical hydrology	1
Developments and applications of the HYDRUS computer software packages since 2016	1
Effect of water distribution patterns on the activation energy of unsaturated soils during phase transformation	1
Stochastic analysis of plant available water estimates and soil water balance components simulated by a hydrological model	1
Pore‐scale simulation of mucilage drainage	1
Evapotranspiration covers at uranium mill tailings sites	1
Rock fragments influence the water retention and hydraulic conductivity of soils	1
Fate of herbicides in cropped lysimeters: 2. Leaching of four maize herbicides considering different processes	1
A new exponential model for predicting soil gas diffusivity with varying degree of saturation	1
The osmotic potential of soil solutions in salt tolerance studies: Following M. Th. van Genuchten's innovation	1
Correspondence between theory and practice of a Beerkan infiltration experiment	1
Bias of stormwater infiltration measurement methods evaluated using numerical experiments	1
An improved model and field calibration technique for measuring liquid water content in unfrozen and frozen soils with dielectric probes	1
Fate of herbicides in cropped lysimeters: 1. Influence of different processes and model structure on vadose zone flow	1
A black‐box automated approach to calibrate numerical simulations and optimize cover design: Application to a flow control layer constructed on an experimental waste rock pile	1
Modified expression for hydraulic conductivity according to Mualem–van Genuchten to allow proper computations at low‐pressure heads	1
On the laboratory calibration of dielectric permittivity models for agricultural soils: Effect of systematic porosity variation	1
Coupling non‐invasive imaging and reactive transport modeling to investigate water and oxygen dynamics in the root zone	1
Upscaling soil moisture from point scale to field scale: Toward a general model	1
Development of a vadose zone advanced monitoring system: Tools to assess groundwater vulnerability	1
Filter for penetration resistance correction in cultivated and compacted Histosols	1