OOIR: Observatory of International Research

Papers

(The TQCC of Vadose Zone Journal is 3. 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 2021-04-01 to 2025-04-01.)

Article	Citations
Vadose Zone Journal 2020 summary of editorial reports	48
Thanks to our 2020 reviewers	34
Recharge site assessment through the integration of surface geophysics and cone penetrometer testing	32
Geophysics conquering new territories: The rise of “agrogeophysics”	28
	27
A combined flow cell–respiration box to quantify carbon transformation processes in undisturbed soil	22
Cover Image, Volume 20, Issue 6	22
	19
Thanks to Reviewers, Vadose Zone Journal, 2022	17
	17
Coupling non‐invasive imaging and reactive transport modeling to investigate water and oxygen dynamics in the root zone	17
Evapotranspiration covers at uranium mill tailings sites	17
Cover Image, Volume 20, Issue 4	15
Closed‐form hydraulic conductivity equations for multimodal unsaturated soil hydraulic properties	15
	15
Quantification of red soil macropores affected by slope erosion and sediment using computed tomography	14
Contactless estimation of soil moisture using leaky Rayleigh waves and a fully convolutional network	13
Application of cosmic‐ray neutron probes for measuring soil moisture in rocky areas of the Taihang Mountains, North China	12
Improving evapotranspiration computation with electrical resistivity tomography in a maize field	12
On the accuracy of saturation estimation from electrical measurements of soils with high swelling clay content	11
A field evaluation of the SoilVUE10 soil moisture sensor	11
Unsaturated hydraulic property measurements of subtropical anthropogenic (purple) soils in China	11
Multiscale pore‐network reconstruction of a fine‐textured heterogeneous soil	11
Issue Information	11
Thanks to Reviewers, Vadose Zone Journal, 2023	11

Coupled hydro‐mechanical pore‐scale modeling of biopore‐coated clods for upscaling soil shrinkage and hydraulic properties	11
Preface: Special section on emerging particles and biocolloids in terrestrial and aquatic systems	10
In Memoriam: Sjoerd E.A.T.M. van der Zee	10
Root water uptake of biofuel crops revealed by coupled electrical resistivity and soil water content measurements	10
Editorial: Open Access on the move	10
Cover Image, Volume 21, Issue 6	10
Water vapor transport through bioenergy grass residues and its effects on soil water evaporation	9
Modeling water flow and volumetric water content in a degraded peat comparing unimodal with bimodal porosity and flux with pressure head boundary condition	9
Relationship between hydraulic properties and material features in a heterogeneous vadose zone of a vulnerable limestone aquifer	9
Preferential flow of phosphorus and nitrogen under steady‐state saturated conditions	9
Development of a vadose zone advanced monitoring system: Tools to assess groundwater vulnerability	8
Review of conceptual and empirical approaches to characterize infiltration	8
Issue Information	8
Plant growth‐promoting rhizobacteria mediate soil hydro‐physical properties: An investigation with Bacillus subtilis and its mutants	8
Insights into freeze–thaw and infiltration in seasonally frozen soils from field observations	7
Linking horizontal crosshole GPR variability with root image information for maize crops	7
Gas diffusivity‐based characterization of aggregated soils linking to methane migration in shallow subsurface	7
Microbial O₂ consumption as a function of pore structure in soils of sorghum, switchgrass, and prairie vegetation systems	7
Estimating soil moisture from environmental gamma radiation monitoring data	7
A methodology for simulating perched conditions in multilayer aquifer systems with 2D variably saturated flow	7
Soil moisture forecasting in wireless sensor networks via spatiotemporal graph convolutional networks	7
Investigating the controls on greenhouse gas emission in the riparian zone of a small headwater catchment using an automated monitoring system	7
Stochastic analysis of plant available water estimates and soil water balance components simulated by a hydrological model	7
Soil hydraulic property maps for the contiguous United States at 100‐m resolution and seven depths: Code design and preliminary results	7
Relationships between carbon age and CO₂ efflux in agricultural and drainage ditch soils using the thermonuclear bomb pulse	6
The role of hydropedology when aiming for the United Nations Sustainable Development Goals	6
Laboratory experiments and dual‐domain modeling of infiltration dynamics in partially saturated fractured porous media	6
Field evaluation of semi‐automated moisture estimation from geophysics using machine learning	6
Feasibility study on prepolarized surface nuclear magnetic resonance for soil moisture measurements	6
Extending the measurement range of the simplified evaporation method using humidity sensors	6
Determination of a pedotransfer function for specific air–water interfacial area in sandy soils: A pore network‐informed multigene genetic programming approach	6
	6
Impact of biochar amendments on soil water and plant uptake dynamics under different cropping systems	6
Dynamic groundwater recharge simulations based on cosmic‐ray neutron sensing in a tropical wet experimental basin	6
In situ measurement of 3D contact angle in sand based on X‐ray computed tomography	6
Bailout test, HYDRUS‐2D, and analytical modeling for estimating permeability of ephemeral stream bed	5
Issue Information	5
Simulation of near‐saturated flow in soil macropores with the lattice Boltzmann method	5
Interpretation of large‐scale, long‐term electrical geophysical monitoring guided by a process simulation	5
Importance of background threshold value development within risk‐based corrective action programs	5
Issue Information	5
Quantitative experimental study on the apparent contact angle of unsaturated loess and its application in soil–water characteristics curve modeling	5
Seasonality and evaporation of water resources in Reynolds Creek Experimental Watershed and Critical Zone Observatory, Southwestern Idaho, USA	5
	5
Algebraic expressions for convective solute transport in a homogeneous soil below a surface barrier	4
Modified expression for hydraulic conductivity according to Mualem–van Genuchten to allow proper computations at low‐pressure heads	4
Noble gases in aquitard provide insight into underlying subsurface stratigraphy and free gas formation	4
Special Issue: Tribute to Rien van Genuchten, recipient of the 2023 Wolf Prize for Agriculture	4
The value of soil temperature data versus soil moisture data for state, parameter, and flux estimation in unsaturated flow model	4
	4

Calculating a minimum overlap period for successful intercalibration of soil moisture sensors	3
Evaluation of soil water content and bulk electrical conductivity across the U.S. Climate Reference Network using two electromagnetic sensors	3
Fate of herbicides in cropped lysimeters: 1. Influence of different processes and model structure on vadose zone flow	3
An improved model and field calibration technique for measuring liquid water content in unfrozen and frozen soils with dielectric probes	3
	3
Cover Image, Volume 22, Issue 3	3
Recipients of 2023 SSSA Editor's Citation for Excellence named	3
Effects of improved water retention by increased soil organic matter on the water balance of arable soils: A numerical analysis	3
Disentangling slope‐scale spatial variability of saturated hydraulic conductivity in the black soil region of northeast China using noise‐assisted multivariate empirical mode decomposition	3
Natural and forced soil aeration during agricultural managed aquifer recharge	3
Quantitative analysis of diurnal CO₂ flux variations above an alkaline playa	3
Colloidal catchment response to snowmelt and precipitation events differs in a forested headwater catchment	3
Experimental quantification of interfacial convections at the water–nonaqueous‐phase liquid interface in microfluidic systems	3
	3
Wavelet analysis of soil water state variables for identification of lateral subsurface flow: Lysimeter vs. field data	3
Validating coupled flow theory for bare‐soil evaporation under different boundary conditions	3
A parametric sensitivity analysis for prioritizing regolith knowledge needs for modeling water transfers in the West African critical zone	3
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	3
Vadose zone perspectives in global arsenic research: A review and future opportunities	3
Applicability of soil moisture sensors for monitoring water dynamics in rock: A field test in weathered limestone	3