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Most cited papers in Soil and Unsaturated Flow

What are the most cited papers in Soil and Unsaturated Flow?

The most cited paper in Soil and Unsaturated Flow is "A Closed‐form Equation for Predicting the Hydraulic Conductivity of Unsaturated Soils" (Martinus Th. van Genuchten, 1980), with 27,905 citations. Next come "Diagnosis and Improvement of Saline and Alkali Soils" (9,313) and "Chloroform fumigation and the release of soil nitrogen: A rapid direct extraction method to measure microbial biomass nitrogen in soil" (5,901).

Showing 50 of 100 papers. Every paper with more than 987 citations is listed.

Most cited papers, sortable by citations and release date
#Paper
1 A Closed‐form Equation for Predicting the Hydraulic Conductivity of Unsaturated Soils Martinus Th. van Genuchten · Soil Science Society of America Journal Sep 1980 27,905
2 Diagnosis and Improvement of Saline and Alkali Soils L. A. Richards · Soil Science Aug 1954 9,313
3 Chloroform fumigation and the release of soil nitrogen: A rapid direct extraction method to measure microbial biomass nitrogen in soil P. C. Brookes, A. Landman, Gordon Pruden et al. · Soil Biology and Biochemistry 1985 5,901
4 A simple hydrologically based model of land surface water and energy fluxes for general circulation models Xu Liang, Dennis P. Lettenmaier, Eric F. Wood et al. · Journal of Geophysical Research Atmospheres 20 Jul 1994 4,252
5 Analysis of Factors Controlling Soil Organic Matter Levels in Great Plains Grasslands W. J. Parton, D. Schimel, C. V. Cole et al. · Soil Science Society of America Journal Sep 1987 3,845
6 The Varnes classification of landslide types, an update Oldrich Hungr, Serge Leroueil, Luciano Picarelli · Landslides 29 Nov 2013 3,512
7 The global carbon dioxide flux in soil respiration and its relationship to vegetation and climate James W. Raich, William H. Schlesinger · Tellus B Open access 1992 3,103
8 Improvements to a MODIS global terrestrial evapotranspiration algorithm Qiaozhen Mu, Maosheng Zhao, Steven W. Running · Remote Sensing of Environment 15 Apr 2011 2,914
9 rosetta : a computer program for estimating soil hydraulic parameters with hierarchical pedotransfer functions Marcel G. Schaap, Feike J. Leij, Martinus Th. van Genuchten · Journal of Hydrology Oct 2001 2,708
10 Soil Water Characteristic Estimates by Texture and Organic Matter for Hydrologic Solutions K. E. Saxton, W. J. Rawls · Soil Science Society of America Journal 3 Aug 2006 2,631
11 A constitutive model for partially saturated soils Eduardo Alonso Pérez de Ágreda, Antonio Gens, Alejandro Josa · Géotechnique Open access Sep 1990 2,491
12 Nonlinear Analysis of Stress and Strain in Soils James Michael Duncan, Chin-Yung Chang · Journal of the Soil Mechanics and Foundations Division Sep 1970 2,420
13 A quantitative review of the effects of biochar application to soils on crop productivity using meta-analysis Simon Jeffery, Frank G. A. VERHEIJEN, Marijn van der Velde et al. · Agriculture Ecosystems & Environment Open access 23 Sep 2011 2,405
14 Effect of Water‐Filled Pore Space on Carbon Dioxide and Nitrous Oxide Production in Tilled and Nontilled Soils D. M. Linn, J. W. Doran · Soil Science Society of America Journal Nov 1984 2,375
15 Properties of Porous Media Affecting Fluid Flow Royal H. Brooks, A. T. Corey · Journal of the Irrigation and Drainage Division Jun 1966 2,356
16 A Simple Parameterization of Land Surface Processes for Meteorological Models J. Noilhan, Serge Planton · Monthly Weather Review Mar 1989 2,276
17 Slope stability analysis by finite elements D. V. Griffiths, Paul Lane · Géotechnique Jun 1999 2,053
18 Estimating Generalized Soil‐water Characteristics from Texture K. E. Saxton, W. J. Rawls, J. S. Romberger et al. · Soil Science Society of America Journal Jul 1986 1,994
19 FTIR techniques in clay mineral studies Jana Madejová · Vibrational Spectroscopy 2003 1,989
20 Soil water content and temperature as independent or confounded factors controlling soil respiration in a temperate mixed hardwood forest Eric A. Davidson, Elizabeth L. Belk, Richard D. Boone · Global Change Biology Feb 1998 1,958
21 A constitutive law for dense granular flows Pierre Jop, Yoël Forterre, Olivier Pouliquen · Nature Open access Jun 2006 1,895
22 Measurement of microbial biomass phosphorus in soil Philip Charles Brookes, D. S. Powlson, David Stewart Jenkinson · Soil Biology and Biochemistry Open access 1982 1,847
23 On the compressibility and shear strength of natural clays John Boscawen Burland · Géotechnique Sep 1990 1,754
24 Sensitivity analysis of environmental models: A systematic review with practical workflow Francesca Pianosi, Keith John Beven, Jim E. Freer et al. · Environmental Modelling & Software ReviewOpen access 18 Feb 2016 1,747
25 A SIMPLE METHOD FOR DETERMINING UNSATURATED CONDUCTIVITY FROM MOISTURE RETENTION DATA Gaylon S. Campbell · Soil Science Jun 1974 1,722
26 World salinization with emphasis on Australia Pichu Rengasamy · Journal of Experimental Botany Open access Mar 2006 1,698
27 Methods of Soil Analysis. Part 4. Physical Methods Gerrit Huibert de Rooij · Vadose Zone Journal May 2004 1,697
28 Changing ideas in hydrology — The case of physically-based models Keith John Beven · Journal of Hydrology 1989 1,656
29 The prediction of hillslope flow paths for distributed hydrological modelling using digital terrain models Paul F. Quinn, Keith John Beven, Pierre Chevallier et al. · Hydrological Processes 1991 1,560
30 Theory of Infiltration J. R. Philip · Advances in hydroscience Book chapter 1969 1,558
31 Nature and properties of soils M. J. Vepraskas · Agriculture Ecosystems & Environment Jul 1986 1,553
32 Rooting depths, lateral root spreads and below‐ground/above‐ground allometries of plants in water‐limited ecosystems H. Jochen Schenk, Robert B. Jackson · Journal of Ecology 19 May 2002 1,515
33 Aggregate stability and assessment of soil crustability and erodibility: I. Theory and methodology Yves Le Bissonnais · European Journal of Soil Science Dec 1996 1,513
34 Dynamics of C, N, P and S in grassland soils: a model William J. Parton, John W. Stewart, C. V. Cole · Biogeochemistry Feb 1988 1,513
35 A model of nitrous oxide evolution from soil driven by rainfall events: 1. Model structure and sensitivity Changsheng Li, Steve Frolking, Tod A. Frolking · Journal of Geophysical Research Atmospheres 20 Jun 1992 1,507
36 Forest soils and carbon sequestration Rattan Lal · Forest Ecology and Management 11 Oct 2005 1,489
37 Discrete particle simulation of particulate systems: A review of major applications and findings H. P. Zhu, Zongyan Zhou, Runyu Yang et al. · Chemical Engineering Science 13 Aug 2008 1,471
38 The Rainfall Intensity - Duration Control of Shallow Landslides and Debris Flows Nel Caine · Geografiska Annaler Series A Physical Geography Apr 1980 1,449
39 Hydraulic conductivity of rock fractures RobertW. Zimmerman, GudmundurS. Bodvarsson · Transport in Porous Media Apr 1996 1,437
40 Halloysite clay minerals — a review Emmanuel Joussein, Sabine Petit, G. Jock Churchman et al. · Clay Minerals Dec 2005 1,414
41 Nitrogen Mineralization Potentials of Soils George Stanford, Stuart J. Smith · Soil Science Society of America Journal May 1972 1,395
42 Impact of biochar amendments on the quality of a typical Midwestern agricultural soil David A. Laird, Pierce Fleming, Dedrick D. Davis et al. · Geoderma Jul 2010 1,384
43 Lime stabilization of clay minerals and soils Fred G. Bell · Engineering Geology Jul 1996 1,377
44 Soil structure as an indicator of soil functions: A review Éva Rabot, Martin Wiesmeier, Steffen Schlüter et al. · Geoderma Open access 14 Nov 2017 1,366
45 Phospholipid Fatty Acid Composition, Biomass, and Activity of Microbial Communities from Two Soil Types Experimentally Exposed to Different Heavy Metals Åsa Frostegård, Anders Tunlid, Erland Bååth · Applied and Environmental Microbiology Open access Nov 1993 1,358
46 Influence of lime, fertilizer and manure applications on soil organic matter content and soil physical conditions: a review Richard John Haynes, Ravi Naidu · Nutrient Cycling in Agroecosystems Jun 1998 1,339
47 A Method for Estimating Soil Moisture from ERS Scatterometer and Soil Data Wolfgang Eric Wagner, Guido Lemoine, Helmut Rott · Remote Sensing of Environment Nov 1999 1,336
48 Energy foundations and other thermo-active ground structures H. Brandl · Géotechnique 24 Feb 2006 1,323
49 A review of non‐equilibrium water flow and solute transport in soil macropores: principles, controlling factors and consequences for water quality Nicholas Jarvis · European Journal of Soil Science 26 Apr 2007 1,318
50 Biochar stability in soil: meta‐analysis of decomposition and priming effects Jinyang Wang, Zhengqin Xiong, Yakov V. Kuzyakov · GCB Bioenergy Open access 9 Apr 2015 1,301

Citations are OpenAlex's own counts, from its 2026-09-23 snapshot, so the ranking can differ from Google Scholar or Web of Science. A paper is listed for a field when OpenAlex files it under one of the field's topics; retracted papers and papers whose citation count cannot be traced to citing works are left out, and a preprint and the article it became are shown once. Release dates are OpenAlex's: where a source gave only a month or a year, that is what is shown. How the lists are chosen.