OOIR: Observatory of International Research

Papers

(The TQCC of Vadose Zone Journal is 5. 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
Water vapor transport through bioenergy grass residues and its effects on soil water evaporation	62
Contactless estimation of soil moisture using leaky Rayleigh waves and a fully convolutional network	46
Application of cosmic‐ray neutron probes for measuring soil moisture in rocky areas of the Taihang Mountains, North China	44
Soil hydraulic property maps for the contiguous United States at 100‐m resolution and seven depths: Code design and preliminary results	39
Extending the measurement range of the simplified evaporation method using humidity sensors	30
Development of a vadose zone advanced monitoring system: Tools to assess groundwater vulnerability	27
Microbial O ₂ consumption as a function of pore structure in soils of sorghum, switchgrass, and prairie vegetation systems	25
Evapotranspiration covers at uranium mill tailings sites	25
Thanks to Reviewers, Vadose Zone Journal , 2022	20
Thanks to Reviewers, Vadose Zone Journal , 2023	19
Determination of a pedotransfer function for specific air–water interfacial area in sandy soils: A pore network‐informed multigene genetic programming approach	18
Algebraic expressions for convective solute transport in a homogeneous soil below a surface barrier	18
Validating coupled flow theory for bare‐soil evaporation under different boundary conditions	16
Experimental quantification of interfacial convections at the water–nonaqueous‐phase liquid interface in microfluidic systems	16
An improved model and field calibration technique for measuring liquid water content in unfrozen and frozen soils with dielectric probes	16
Cover Image, Volume 22, Issue 3	14
Interpretation of large‐scale, long‐term electrical geophysical monitoring guided by a process simulation	14
Review of Rain or Shine: An Introduction to Soil Physical Properties and Processes . Tyson Ochsner. Published by Oklahoma State University Libraries unde	14
Issue Information	14
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Field evaluation of semi‐automated moisture estimation from geophysics using machine learning	13
Disentangling slope‐scale spatial variability of saturated hydraulic conductivity in the black soil region of northeast China using noise‐assisted multivariate empirical mode decomposition	13
The osmotic potential of soil solutions in salt tolerance studies: Following M. Th. van Genuchten's innovation	13
Applying minirhizotrons to observe spatiotemporal variations in rooting depth and distribution in agroecosystems to improve the performance of hydrological models	12
Methods for downhole soil water sensor calibration—Complications of bulk density and water content variations	12

Managed aquifer recharge site assessment with electromagnetic imaging: Identification of recharge flow paths	11
Soil carbon determination for long‐term monitoring revisited using thermo‐gravimetric analysis	11
Validation of downscaled 1‐km SMOS and SMAP soil moisture data in 2010–2021	11
Dimensionality and scales of preferential flow in soils of Shale Hills hillslope simulated using HYDRUS	11
Characterizing the topographic index as a tool to represent spatial soil moisture: The effect of classification approach, digital elevation model type, and resolution	10
Neutron imaging of exchange flow between biopore and matrix for Bt versus C horizons	10
Tracing lateral subsurface flow in layered soils by undisturbed monolith sampling, targeted laboratory experiments, and model‐based analysis	10
Thanks to Reviewers, Vadose Zone Journal , 2021	10
The value of long‐term in situ soil moisture and snowpack monitoring: Laying the foundation for future studies in the Upper Missouri River Basin	10
Frequency domain‐based analytical solutions for one‐dimensional soil water flow in layered soils	10
Toward soil property‐driven identification of peat, limnic, and mineral horizons in Eastern Canada Histosols	9
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Microplastic induces soil water repellency and limits capillary flow	9
Nitrate contamination of urban groundwater and heavy rainfall: Observations from Dakar, Senegal	9
Analyzing dual porosity in soil hydraulic properties using soil databases for pedotransfer function development	8
Issue Information	8
A formulation for assessing the risk of anthropogenic drought based on drought characteristics and socioeconomic and physical factors	8
Publisher's Report 2022: Vadose Zone Journal	8
Soil hydraulic conductivity in the state of nonequilibrium	8
Emerging issues and research opportunities in vadose zone processes	8
	7
Cover Image, Volume 22, Issue 2	7
Organic carbon stocks in weathered bedrock—Establishing the soil parent material as a new horizon in soil carbon research	7
Determining groundwater recharge for quantifying PFAS mass discharge from unsaturated source zones	6
Parameter estimation from spontaneous imbibition into volcanic tuff	6
The time validity of Philip's two‐term infiltration equation: An elusive theoretical quantity?	6
Colloidal transport of heavy metals in low‐advective‐velocity environmental systems: Reactive transport model on biogeochemical and hydrodynamic impacts	6
Effects of dynamic capillarity on the shear strength of sandy soils during transient two‐phase flow: Insights from non‐equilibrium triaxial simulations	6
Experiment for validation of numerical models of coupled heat and mass transfer around energy cables	6
Averaging or adding domain conductivities to calculate the unsaturated soil hydraulic conductivity	6
A new exponential model for predicting soil gas diffusivity with varying degree of saturation	6
Vadose Zone Journal Annual Report, 2023	6
Self‐potential signals of soil columns experiencing evaporation and transpiration	6
Temporal covariance of spatial soil moisture variations: A mechanistic error modeling approach	6
Cover Image, Volume 20, Issue 6	5
Bromide reactivity in topsoil: Implications for use as a “conservative” tracer in assessing quantity and quality of water	5
Elucidating the role of water films on solute diffusion in unsaturated porous media by improved pore‐scale modeling	5
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Temporal scale‐dependent relationships between soil moisture and temperature unveiled by Ensemble Empirical Mode Decomposition in an irrigated field	5
Examining subsurface response to an extreme precipitation event using HYDRUS‐1D	5
Plant growth‐promoting rhizobacteria mediate soil hydro‐physical properties: An investigation with Bacillus subtilis and its mutants	5
Gaia: Complex systems prediction for time to adapt to climate shocks	5
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Issue Information	5
A novel design for continuous measurement of CO ₂ from deep remineralization of petrogenic organic carbon	5
Subsurface thermal loading simulations to assess the viability of waste canister disposal in the Negev Desert, Israel	5
Relationships between carbon age and CO ₂ efflux in agricultural and drainage ditch soils using the thermonuclear bomb pulse	5
Soil moisture forecasting in wireless sensor networks via spatiotemporal graph convolutional networks	5
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Calibration and validation of soil water reflectometers	5

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Cover Image, Volume 21, Issue 6	5
The PDI model system for parameterizing soil hydraulic properties	5
Linking horizontal crosshole GPR variability with root image information for maize crops	5