OOIR: Observatory of International Research

Papers

(The TQCC of Vadose Zone Journal 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 2021-08-01 to 2025-08-01.)

Article	Citations
Development of a vadose zone advanced monitoring system: Tools to assess groundwater vulnerability	59
Soil hydraulic property maps for the contiguous United States at 100‐m resolution and seven depths: Code design and preliminary results	39
Application of cosmic‐ray neutron probes for measuring soil moisture in rocky areas of the Taihang Mountains, North China	38
Determination of a pedotransfer function for specific air–water interfacial area in sandy soils: A pore network‐informed multigene genetic programming approach	29
Thanks to Reviewers, Vadose Zone Journal, 2023	26
Thanks to Reviewers, Vadose Zone Journal, 2022	21
Evapotranspiration covers at uranium mill tailings sites	21
Water vapor transport through bioenergy grass residues and its effects on soil water evaporation	20
Contactless estimation of soil moisture using leaky Rayleigh waves and a fully convolutional network	18
Extending the measurement range of the simplified evaporation method using humidity sensors	16
Microbial O₂ consumption as a function of pore structure in soils of sorghum, switchgrass, and prairie vegetation systems	16
Review of Rain or Shine: An Introduction to Soil Physical Properties and Processes. Tyson Ochsner. Published by Oklahoma State University Libraries under the Creative Commons Attribution 4.0 In	15
Experimental quantification of interfacial convections at the water–nonaqueous‐phase liquid interface in microfluidic systems	15
An improved model and field calibration technique for measuring liquid water content in unfrozen and frozen soils with dielectric probes	15
	15
Field evaluation of semi‐automated moisture estimation from geophysics using machine learning	14
Issue Information	13
Interpretation of large‐scale, long‐term electrical geophysical monitoring guided by a process simulation	13
Cover Image, Volume 22, Issue 3	12
Validating coupled flow theory for bare‐soil evaporation under different boundary conditions	12
Disentangling slope‐scale spatial variability of saturated hydraulic conductivity in the black soil region of northeast China using noise‐assisted multivariate empirical mode decomposition	12
Dimensionality and scales of preferential flow in soils of Shale Hills hillslope simulated using HYDRUS	11
Methods for downhole soil water sensor calibration—Complications of bulk density and water content variations	11
Soil carbon determination for long‐term monitoring revisited using thermo‐gravimetric analysis	11
Algebraic expressions for convective solute transport in a homogeneous soil below a surface barrier	11

Applying minirhizotrons to observe spatiotemporal variations in rooting depth and distribution in agroecosystems to improve the performance of hydrological models	11
Cover Image, Volume 20, Issue 5	10
Managed aquifer recharge site assessment with electromagnetic imaging: Identification of recharge flow paths	10
Validation of downscaled 1‐km SMOS and SMAP soil moisture data in 2010–2021	10
Compressional wave velocity and effective stress in unsaturated soil: Potential application for monitoring moisture conditions in vadose zone sediments	10
Frequency domain‐based analytical solutions for one‐dimensional soil water flow in layered soils	9
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A formulation for assessing the risk of anthropogenic drought based on drought characteristics and socioeconomic and physical factors	9
Thanks to Reviewers, Vadose Zone Journal, 2021	9
The osmotic potential of soil solutions in salt tolerance studies: Following M. Th. van Genuchten's innovation	9
Nitrate contamination of urban groundwater and heavy rainfall: Observations from Dakar, Senegal	9
Neutron imaging of exchange flow between biopore and matrix for Bt versus C horizons	9
The value of long‐term in situ soil moisture and snowpack monitoring: Laying the foundation for future studies in the Upper Missouri River Basin	9
Analyzing dual porosity in soil hydraulic properties using soil databases for pedotransfer function development	8
Vadose Zone Journal Annual Report, 2023	8
Tracing lateral subsurface flow in layered soils by undisturbed monolith sampling, targeted laboratory experiments, and model‐based analysis	8
Parameter estimation from spontaneous imbibition into volcanic tuff	8
Microplastic induces soil water repellency and limits capillary flow	8
Determining groundwater recharge for quantifying PFAS mass discharge from unsaturated source zones	7
Cover Image, Volume 22, Issue 2	7
Experiment for validation of numerical models of coupled heat and mass transfer around energy cables	7
A new exponential model for predicting soil gas diffusivity with varying degree of saturation	7
Organic carbon stocks in weathered bedrock—Establishing the soil parent material as a new horizon in soil carbon research	7
Publisher's Report 2022: Vadose Zone Journal	7
Effects of dynamic capillarity on the shear strength of sandy soils during transient two‐phase flow: Insights from non‐equilibrium triaxial simulations	7
Temporal covariance of spatial soil moisture variations: A mechanistic error modeling approach	6
Colloidal transport of heavy metals in low‐advective‐velocity environmental systems: Reactive transport model on biogeochemical and hydrodynamic impacts	6
Soil hydraulic conductivity in the state of nonequilibrium	6
Gaia: Complex systems prediction for time to adapt to climate shocks	5
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	5
Plant growth‐promoting rhizobacteria mediate soil hydro‐physical properties: An investigation with Bacillus subtilis and its mutants	5
Cover Image, Volume 20, Issue 6	5
	5
Averaging or adding domain conductivities to calculate the unsaturated soil hydraulic conductivity	5
Calibration and validation of soil water reflectometers	5
Self‐potential signals of soil columns experiencing evaporation and transpiration	5
Issue Information	5
Bromide reactivity in topsoil: Implications for use as a “conservative” tracer in assessing quantity and quality of water	5
Cover Image, Volume 21, Issue 6	5
	5
Elucidating the role of water films on solute diffusion in unsaturated porous media by improved pore‐scale modeling	5
The time validity of Philip's two‐term infiltration equation: An elusive theoretical quantity?	5
	5
Linking horizontal crosshole GPR variability with root image information for maize crops	5
Soil moisture forecasting in wireless sensor networks via spatiotemporal graph convolutional networks	5
	5
The PDI model system for parameterizing soil hydraulic properties	4
	4
Seasonality and evaporation of water resources in Reynolds Creek Experimental Watershed and Critical Zone Observatory, Southwestern Idaho, USA	4

Relationships between carbon age and CO₂ efflux in agricultural and drainage ditch soils using the thermonuclear bomb pulse	4
Rien van Genuchten: A short autobiography	4
Large‐scale photovoltaic farms significantly change the vegetation diversity and biomass through influencing soil moisture and physiochemical properties	4
A novel design for continuous measurement of CO₂ from deep remineralization of petrogenic organic carbon	4
A parametric sensitivity analysis for prioritizing regolith knowledge needs for modeling water transfers in the West African critical zone	4
How solid–liquid adsorption affects the liquid–vapor interface in pores	4
Monitoring spatiotemporal soil moisture variability in the unsaturated zone of a mixed forest using electrical resistivity tomography	4
Issue Information	4
	4
Examining subsurface response to an extreme precipitation event using HYDRUS‐1D	4
	4
Mechanistically derived macroscopic root water uptake functions: The α and ω of root water uptake functions	4
Heat transport from atmosphere through the subsurface to drinking‐water supply pipes	4
Soil salinization in Portugal: An in‐depth exploration of impact, advancements, and future considerations	4