World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
30
Citations
3626
World Ranking
9106
National Ranking
2938

Allen M. Shapiro 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 Allen M. Shapiro 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: 96 publications — 10th percentile

10% of scientists in this discipline score the same or lower.

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

Allen M. Shapiro 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 Allen M. Shapiro 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: 30 D-Index — 2nd percentile

2% of scientists in this discipline score the same or lower.

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

Overview

Allen M. Shapiro is affiliated with the United States Geological Survey in the United States. Their research primarily focuses on environmental science, with significant contributions in environmental engineering, water science and technology, geochemistry and petrology, ocean engineering, and civil and structural engineering.

The main topics addressed in Shapiro's work include:

  • Groundwater flow and contamination studies
  • Hydrology and watershed management studies
  • Groundwater and isotope geochemistry
  • Reservoir engineering and simulation methods
  • Hydrological forecasting using AI
  • Dam engineering and safety
  • Flood risk assessment and management

Shapiro has published frequently in several scientific venues, including:

  • Ground Water
  • Water Resources Research
  • USGS professional paper
  • Antarctica A Keystone in a Changing World
  • Hydrogeology Journal

Recent papers authored or co-authored by Shapiro demonstrate a focus on groundwater hydrology and recharge estimation methods. These include:

  • Reframing groundwater hydrology as a data-driven science, 2022, Ground Water
  • Estimating and Forecasting Time-Varying Groundwater Recharge in Fractured Rock: A State-Space Formulation With Preferential and Diffuse Flow to the Water Table, 2021, Water Resources Research
  • Incorporating Snowmelt into Daily Estimates of Recharge Using a State-Space Model of Infiltration, 2022, Ground Water

In collaboration with other researchers, Shapiro has contributed to interdisciplinary studies and methodological advancements, including a publication on applying recursive estimation techniques to heat tracing for groundwater/surface-water exchange:

  • Application of Recursive Estimation to Heat Tracing for Groundwater/Surface-Water Exchange, 2022, Water Resources Research

Shapiro's frequent co-authors include F. D. Day-Lewis, Wallace Anderson McAliley, David M. Rey, Martin A. Briggs, and Dale Werkema. These collaborations suggest an active engagement with experts specializing in groundwater modeling, hydrology, and related environmental fields.

Best Publications

  • Tracer transport in fractured crystalline rock: Evidence of nondiffusive breakthrough tailing

    Matthew W. Becker;Allen M. Shapiro

  • A solute flux approach to transport in heterogeneous formations: 1. The general framework

    G. Dagan;V. Cvetkovic;A. Shapiro

  • Stochastic analysis of solute arrival time in heterogeneous porous media

    Allen M. Shapiro;Vladimir D. Cvetkovic

  • Interpreting tracer breakthrough tailing from different forced-gradient tracer experiment configurations in fractured bedrock

    Matthew W. Becker;Allen M. Shapiro

  • Effective matrix diffusion in kilometer‐scale transport in fractured crystalline rock

    Allen M. Shapiro

  • Mass arrival of sorptive solute in heterogeneous porous media.

    Vladimir D. Cvetkovic;Allen M. Shapiro

  • A solute flux approach to transport in heterogeneous formations: 2. Uncertainty analysis

    V. Cvetkovic;A. M. Shapiro;G. Dagan

  • A Stochastic Model of a Fractured Rock Conditioned by Measured Information

    Johan Andersson;Allen M. Shapiro;Jacob Bear

  • Movement of Road Salt to a Small New Hampshire Lake

    D. O. Rosenberry;P. A. Bukaveckas;D. C. Buso;G. E. Likens

  • Stochastic analysis of one‐dimensional steady state unsaturated flow: A Comparison of Monte Carlo and Perturbation Methods

    Johan Andersson;Allen M Shapiro

  • How good are estimates of transmissivity from slug tests in fractured rock

    Allen M. Shapiro;Paul A. Hsieh

  • Bacterial Transport Experiments in Fractured Crystalline Bedrock

    Matthew W. Becker;David W. Metge;Samantha A. Collins;Allen M. Shapiro

  • Effect of cell physicochemical characteristics and motility on bacterial transport in groundwater.

    Matthew W. Becker;Samantha A. Collins;David W. Metge;Ronald W. Harvey

  • Assessing the validity of the channel model of fracture aperture under field conditions

    Allen M. Shapiro;James R. Nicholas

  • Cautions and Suggestions for Geochemical Sampling in Fractured Rock

    Allen M. Shapiro

  • Pathogen and chemical transport in the karst limestone of the Biscayne aquifer: 3. Use of microspheres to estimate the transport potential of Cryptosporidium parvum oocysts

    Ronald W. Harvey;David W. Metge;Allen M. Shapiro;Robert A. Renken

  • Steady state fluid response in fractured rock: A boundary element solution for a coupled, discrete fracture continuum model

    Allen M. Shapiro;Johan Andersson

  • Assessing the Vulnerability of a Municipal Well Field to Contamination in a Karst Aquifer

    R. A. Renken;K. J. Cunningham;M. R. Zygnerski;M. A. Wacker

  • Application of carbonate cyclostratigraphy and borehole geophysics to delineate porosity and preferential flow in the karst limestone of the Biscayne aquifer, SE Florida

    Kevin J. Cunningham;Robert A. Renken;Michael A. Wacker;Michael R. Zygnerski

  • A New Collocation Method for the Solution of the Convection-Dominated Transport Equation

    George E. Pinder;Allen Shapiro

  • Pathogen and chemical transport in the karst limestone of the Biscayne aquifer: 1. Revised conceptualization of groundwater flow

    Robert A. Renken;Kevin J. Cunningham;Allen M. Shapiro;Ronald W. Harvey

Frequent Co-Authors

Paul A. Hsieh
Paul A. Hsieh United States Geological Survey
Frederick D. Day-Lewis
Frederick D. Day-Lewis United States Geological Survey
Ronald W. Harvey
Ronald W. Harvey United States Geological Survey
Vladimir Cvetkovic
Vladimir Cvetkovic Royal Institute of Technology
Lee Slater
Lee Slater Rutgers, The State University of New Jersey
Jacob Bear
Jacob Bear Technion – Israel Institute of Technology
Warren W. Wood
Warren W. Wood Michigan State University
Gedeon Dagan
Gedeon Dagan Tel Aviv University
Thomas C. Winter
Thomas C. Winter United States Geological Survey
Joseph N. Ryan
Joseph N. Ryan University of Colorado Boulder

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