World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
44
Citations
12936
World Ranking
4595
National Ranking
1749

Marcel G. Schaap publication distribution in Earth Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Earth Science in 2026. The highlighted bar marks where Marcel G. Schaap sits on this spectrum.

38–47 publications: 5 scientists 48–57 publications: 33 scientists 58–67 publications: 94 scientists 68–77 publications: 161 scientists 78–87 publications: 278 scientists 88–97 publications: 376 scientists 98–107 publications: 404 scientists 108–117 publications: 484 scientists 118–127 publications: 540 scientists 128–137 publications: 557 scientists 138–147 publications: 491 scientists 148–157 publications: 495 scientists 158–167 publications: 458 scientists 168–177 publications: 490 scientists 178–187 publications: 414 scientists 188–197 publications: 401 scientists 198–207 publications: 333 scientists 208–217 publications: 292 scientists 218–227 publications: 290 scientists 228–237 publications: 262 scientists 238–247 publications: 243 scientists 248–257 publications: 208 scientists 258–267 publications: 185 scientists 268–277 publications: 147 scientists 278–287 publications: 128 scientists 288–297 publications: 119 scientists 298–307 publications: 120 scientists 308–317 publications: 107 scientists 318–327 publications: 93 scientists 328–337 publications: 87 scientists 338–347 publications: 64 scientists 348–357 publications: 87 scientists 358–367 publications: 60 scientists 368–377 publications: 60 scientists 378–387 publications: 34 scientists 388–397 publications: 50 scientists 398–407 publications: 44 scientists 408–417 publications: 31 scientists 418–427 publications: 39 scientists 428–437 publications: 27 scientists 438–447 publications: 36 scientists 448–457 publications: 27 scientists 458–467 publications: 29 scientists 468–477 publications: 30 scientists 478–487 publications: 19 scientists 488–497 publications: 15 scientists 498–507 publications: 18 scientists 508–517 publications: 19 scientists 518–527 publications: 16 scientists 528–537 publications: 10 scientists 538–547 publications: 11 scientists 548–557 publications: 14 scientists 558–567 publications: 11 scientists 568–577 publications: 7 scientists 578–587 publications: 14 scientists 588–597 publications: 5 scientists 598–602 publications: 4 scientists 603+ publications: 100 scientists
38 publications 603+

This scientist: 130 publications — 28th percentile

28% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 603 publications or more.

Marcel G. Schaap D-index placement in Earth Science in 2026

The chart shows the D-index (discipline H-index) distribution of Earth Science scientists ranked by Research.com in 2026. The highlighted bar marks where Marcel G. Schaap sits on this spectrum.

30 D-Index: 144 scientists 31 D-Index: 215 scientists 32 D-Index: 278 scientists 33 D-Index: 379 scientists 34 D-Index: 366 scientists 35 D-Index: 372 scientists 36 D-Index: 389 scientists 37 D-Index: 366 scientists 38 D-Index: 344 scientists 39 D-Index: 349 scientists 40 D-Index: 296 scientists 41 D-Index: 289 scientists 42 D-Index: 277 scientists 43 D-Index: 279 scientists 44 D-Index: 248 scientists 45 D-Index: 257 scientists 46 D-Index: 212 scientists 47 D-Index: 202 scientists 48 D-Index: 207 scientists 49 D-Index: 204 scientists 50 D-Index: 183 scientists 51 D-Index: 178 scientists 52 D-Index: 182 scientists 53 D-Index: 178 scientists 54 D-Index: 163 scientists 55 D-Index: 117 scientists 56 D-Index: 163 scientists 57 D-Index: 120 scientists 58 D-Index: 113 scientists 59 D-Index: 136 scientists 60 D-Index: 135 scientists 61 D-Index: 96 scientists 62 D-Index: 103 scientists 63 D-Index: 83 scientists 64 D-Index: 103 scientists 65 D-Index: 83 scientists 66 D-Index: 89 scientists 67 D-Index: 92 scientists 68 D-Index: 89 scientists 69 D-Index: 78 scientists 70 D-Index: 75 scientists 71 D-Index: 53 scientists 72 D-Index: 62 scientists 73 D-Index: 54 scientists 74 D-Index: 35 scientists 75 D-Index: 52 scientists 76 D-Index: 50 scientists 77 D-Index: 32 scientists 78 D-Index: 37 scientists 79 D-Index: 20 scientists 80 D-Index: 33 scientists 81 D-Index: 36 scientists 82 D-Index: 34 scientists 83 D-Index: 34 scientists 84 D-Index: 24 scientists 85 D-Index: 19 scientists 86 D-Index: 18 scientists 87 D-Index: 26 scientists 88 D-Index: 30 scientists 89 D-Index: 17 scientists 90 D-Index: 21 scientists 91 D-Index: 19 scientists 92 D-Index: 15 scientists 93 D-Index: 14 scientists 94 D-Index: 20 scientists 95 D-Index: 9 scientists 96 D-Index: 10 scientists 97 D-Index: 15 scientists 98 D-Index: 13 scientists 99 D-Index: 3 scientists 100 D-Index: 13 scientists 101 D-Index: 3 scientists 102 D-Index: 9 scientists 103 D-Index: 4 scientists 104 D-Index: 6 scientists 105 D-Index: 6 scientists 106+ D-Index: 98 scientists
30 D-Index 106+

This scientist: 44 D-Index — 50th percentile

50% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 106 D-Index or more.

Overview

Marcel G. Schaap is affiliated with the University of Arizona in the United States. Their research focuses primarily on environmental science and engineering, with notable contributions to subfields such as civil and structural engineering, environmental engineering, and management, monitoring, policy, and law. Additional areas of interest include global and planetary change as well as mechanical engineering.

The scientist's work centers on several interconnected topics, including:

  • Soil and Unsaturated Flow
  • Soil Moisture and Remote Sensing
  • Landslides and Related Hazards
  • Soil Management and Crop Yield
  • Climate Variability and Models
  • Hydrology and Drought Analysis
  • Soil Geostatistics and Mapping

Marcel G. Schaap has authored and co-authored research published in multiple venues. Frequent publication platforms include Harvard Dataverse and Zenodo (CERN European Organization for Nuclear Research), along with journals such as the Journal of Geophysical Research Atmospheres and the Vadose Zone Journal.

Recent papers by Schaap and co-authors highlight various aspects of soil science and geophysical research:

  • "Defining the Multiscalar Index Timescale-Soil Water Depth Continuum for the Southwestern United States," 2023, Journal of Geophysical Research Atmospheres
  • "Soil hydraulic property maps for the contiguous United States at 100-m resolution and seven depths: Code design and preliminary results," 2024, Vadose Zone Journal
  • "DEFINING THE MULTISCALAR INDEX TIMESCALE - SOIL WATER DEPTH CONTINUUM FOR THE SOUTHWESTERN UNITED STATES," 2023, Zenodo (CERN European Organization for Nuclear Research)
  • "Pile installation fatigue damage from impact driving records - A case study of offshore monopiles," 2023, Zenodo (CERN European Organization for Nuclear Research)

The scientist collaborates frequently with several researchers, including:

  • Yonggen Zhang
  • Zhongwang Wei
  • Craig Rasmussen
  • Trevor T. McKellar
  • Michael A. Crimmins

Best Publications

  • rosetta: a computer program for estimating soil hydraulic parameters with hierarchical pedotransfer functions

    Marcel G. Schaap;Feike J. Leij;Martinus Th. van Genuchten

  • Neural network analysis for hierarchical prediction of soil hydraulic properties

    Marcel G. Schaap;Feike J. Leij;Martinus Th. van Genuchten

  • Database-related accuracy and uncertainty of pedotransfer functions

    Marcel G. Schaap;Feike J. Leij

  • Improved Prediction of Unsaturated Hydraulic Conductivity with the Mualem-van Genuchten Model

    Marcel G. Schaap;Feike J. Leij

  • Using pedotransfer functions to estimate the van Genuchten-Mualem Soil Hydraulic Properties: a review.

    Harry Vereecken;Mélanie Weynants;Mathieu Javaux;Mathieu Javaux;Y. Pachepsky

  • Pedotransfer functions in Earth system science: challenges and perspectives

    Kris Van Looy;Johan Bouma;Michael Herbst;John Koestel

  • Description of the unsaturated soil hydraulic database UNSODA version 2.0

    A Nemes;M.G Schaap;F.J Leij;J.H.M Wösten

  • Modeling water retention curves of sandy soils using neural networks

    Marcel G. Schaap;Marcel G. Schaap;Willem Bouten

  • Using neural networks to predict soil water retention and soil hydraulic conductivity

    Marcel G Schaap;Feike J Leij

  • Weighted recalibration of the Rosetta pedotransfer model with improved estimates of hydraulic parameter distributions and summary statistics (Rosetta3)

    Yonggen Zhang;Marcel G. Schaap

  • A Modified Mualem–van Genuchten Formulation for Improved Description of the Hydraulic Conductivity Near Saturation

    Marcel G. Schaap;Martinus Th. van Genuchten

  • Lattice-Boltzmann simulations of the capillary pressure–saturation–interfacial area relationship for porous media

    Mark L. Porter;Marcel G. Schaap;Dorthe Wildenschild

  • Functional evaluation of pedotransfer functions derived from different scales of data collection

    A. Nemes;M.G. Schaap;J.H.M. Wösten

  • Estimation of Saturated Hydraulic Conductivity with Pedotransfer Functions: A Review

    Yonggen Zhang;Yonggen Zhang;Marcel G. Schaap

  • Using an inverse method to estimate the hydraulic properties of crusted soils from tension-disc infiltrometer data

    Jiří Šimůnek;Rafael Angulo-Jaramillo;Marcel G. Schaap;Jean Pierre Vandervaere

  • Development of Pedotransfer Functions for Estimation of Soil Hydraulic Parameters using Support Vector Machines

    Navin K. C. Twarakavi;Jirka Šimůnek;M. G. Schaap

  • A High‐Resolution Global Map of Soil Hydraulic Properties Produced by a Hierarchical Parameterization of a Physically Based Water Retention Model

    Yonggen Zhang;Yonggen Zhang;Marcel G. Schaap;Yuanyuan Zha

  • Comparison of pressure‐saturation characteristics derived from computed tomography and lattice Boltzmann simulations

    Marcel G. Schaap;Mark L. Porter;Britt S. B. Christensen;Dorthe Wildenschild

  • Calibration of Capacitance Probe Sensors using Electric Circuit Theory

    T. J. Kelleners;R. W. O. Soppe;D. A. Robinson;M. G. Schaap

  • How Water, Carbon, and Energy Drive Critical Zone Evolution: The Jemez–Santa Catalina Critical Zone Observatory

    Jon Chorover;Peter A. Troch;Craig Rasmussen;Paul D. Brooks

  • Percolation Theory for Flow in Porous Media

    Marcel G. Schaap

Frequent Co-Authors

Craig Rasmussen
Craig Rasmussen University of Arizona
Jon D. Pelletier
Jon D. Pelletier University of Arizona
Dorthe Wildenschild
Dorthe Wildenschild Oregon State University
Jon Chorover
Jon Chorover University of Arizona
Alberto Guadagnini
Alberto Guadagnini Polytechnic University of Milan
Willem Bouten
Willem Bouten University of Amsterdam
Markus Tuller
Markus Tuller University of Arizona
Feike J. Leij
Feike J. Leij California State University, Long Beach
Paul D. Brooks
Paul D. Brooks University of Utah
Jennifer C. McIntosh
Jennifer C. McIntosh University of Arizona

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Exploring Earth Science in the USA opens doors to diverse career options beyond traditional roles. For those interested in managing scientific information, a library degree can provide skills in organizing and curating data crucial for research institutions and environmental agencies.

Visual storytelling often supports Earth Science through photography and documentation. Pursuing an online photography degrees allows students to develop technical and artistic skills valuable for environmental communication and advocacy.

Veterans seeking career development might find specialized opportunities with online photography degree programs for veterans, offering tailored support to translate military experience into civilian success, especially in fields intersecting with Earth Science.

Language skills also enhance career prospects, particularly in global environmental work. Considering the cheapest online spanish degree can provide cost-effective options for gaining language proficiency, which is increasingly important in research partnerships and fieldwork.

Best Scientists Citing Marcel G. Schaap

Trending Scientists

Recently Published Articles