World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 35 7776 7207 2630 2327 93 3575

Robert W. Ritzi publications per year

The chart shows the history of publications by Robert W. Ritzi between 1988 and 2022, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Robert W. Ritzi published across 35 years, from 1988 to 2022, averaging 2.8 papers a year. Output peaked at 15 publications in 2015. 4 of the 98 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1988 to 2022. Vertical axis: number of publications, 0 to 15. Peak 15 publications in 2015. 1988: 1 publication 1989: 1 publication 1990: 0 publications 1991: 2 publications 1992: 1 publication 1993: 2 publications 1994: 1 publication 1995: 2 publications 1996: 5 publications 1997: 1 publication 1998: 2 publications 1999: 0 publications 2000: 2 publications 2001: 1 publication 2002: 1 publication 2003: 2 publications 2004: 4 publications 2005: 1 publication 2006: 4 publications 2007: 3 publications 2008: 6 publications 2009: 0 publications 2010: 4 publications 2011: 2 publications 2012: 1 publication 2013: 1 publication 2014: 10 publications 2015: 15 publications 2016: 7 publications 2017: 5 publications 2018: 4 publications 2019: 2 publications 2020: 1 publication 2021: 3 publications 2022: 1 publication
1988 2022

98 publications in total across all disciplines

View publications per year as a table
Robert W. Ritzi: publications per year, 1988 to 2022
Year Publications
1988 1
1989 1
1990 0
1991 2
1992 1
1993 2
1994 1
1995 2
1996 5
1997 1
1998 2
1999 0
2000 2
2001 1
2002 1
2003 2
2004 4
2005 1
2006 4
2007 3
2008 6
2009 0
2010 4
2011 2
2012 1
2013 1
2014 10
2015 15
2016 7
2017 5
2018 4
2019 2
2020 1
2021 3
2022 1
Total 98
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Robert W. Ritzi 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 Robert W. Ritzi sits on this spectrum.

No. of scientists
100 200 300 400 500
Bar chart with 58 bars. Horizontal axis: publications, 38–47 to 603+. Vertical axis: number of scientists, 0 to 557. Most scientists, 557, have 128–137 publications. The last bar groups every scientist with 603 publications or more. The highlighted bar, 88–97 publications, is where this scientist sits. 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
38–47 publications 603+

This scientist: 93 publications — 9th percentile

9% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Earth Science scientists by publication count, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
Publications Scientists This scientist
38–47 5
48–57 33
58–67 94
68–77 161
78–87 278
88–97 376 93
98–107 404
108–117 484
118–127 540
128–137 557
138–147 491
148–157 495
158–167 458
168–177 490
178–187 414
188–197 401
198–207 333
208–217 292
218–227 290
228–237 262
238–247 243
248–257 208
258–267 185
268–277 147
278–287 128
288–297 119
298–307 120
308–317 107
318–327 93
328–337 87
338–347 64
348–357 87
358–367 60
368–377 60
378–387 34
388–397 50
398–407 44
408–417 31
418–427 39
428–437 27
438–447 36
448–457 27
458–467 29
468–477 30
478–487 19
488–497 15
498–507 18
508–517 19
518–527 16
528–537 10
538–547 11
548–557 14
558–567 11
568–577 7
578–587 14
588–597 5
598–602 4
603+ 100
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Robert W. Ritzi 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 Robert W. Ritzi sits on this spectrum.

No. of scientists
100 200 300
Bar chart with 77 bars. Horizontal axis: D-Index, 30 to 106+. Vertical axis: number of scientists, 0 to 389. Most scientists, 389, have 36 D-Index. The last bar groups every scientist with 106 D-Index or more. The highlighted bar, 35 D-Index, is where this scientist sits. 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: 35 D-Index — 19th percentile

19% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Earth Science scientists by D-index, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
D-Index Scientists This scientist
30 144
31 215
32 278
33 379
34 366
35 372 35
36 389
37 366
38 344
39 349
40 296
41 289
42 277
43 279
44 248
45 257
46 212
47 202
48 207
49 204
50 183
51 178
52 182
53 178
54 163
55 117
56 163
57 120
58 113
59 136
60 135
61 96
62 103
63 83
64 103
65 83
66 89
67 92
68 89
69 78
70 75
71 53
72 62
73 54
74 35
75 52
76 50
77 32
78 37
79 20
80 33
81 36
82 34
83 34
84 24
85 19
86 18
87 26
88 30
89 17
90 21
91 19
92 15
93 14
94 20
95 9
96 10
97 15
98 13
99 3
100 13
101 3
102 9
103 4
104 6
105 6
106+ 98
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Overview

Robert W. Ritzi is affiliated with Wright State University in the United States. Their research spans multiple areas within environmental science, engineering, and earth and planetary sciences, with a focus on environmental engineering, atmospheric science, and ocean engineering. The scientist's work involves various topics, including CO2 sequestration and geologic interactions, enhanced oil recovery techniques, hydrocarbon exploration and reservoir analysis, advanced mathematical modeling in engineering, groundwater flow and contamination studies, methane hydrates and related phenomena, and geological formations and processes.

Their recent scholarly output includes the following papers:

  • Application of upscaling methods for fluid flow and mass transport in multi-scale heterogeneous media: A critical review, 2021, Applied Energy
  • CO2 geological sequestration in multiscale heterogeneous aquifers: Effects of heterogeneity, connectivity, impurity, and hysteresis, 2021, Advances in Water Resources
  • Interpreting pre-vegetation landscape dynamics: The Cambrian Lower Mount Simon Sandstone, Illinois, U.S.A., 2020, Journal of Sedimentary Research
  • El Niño Southern Oscillation (1896 to 2016): Quantifying Effects on Winter Precipitation and Temperature in Southwest Ohio, USA, 2021, The Ohio Journal of Science
  • Effective Constitutive Relations for Simulating CO2 Capillary Trapping in Heterogeneous Reservoirs with Fluvial Sedimentary Architecture, 2022, arXiv (Cornell University)

Frequent collaborators in their research include:

  • Corey D. Wallace
  • Mohamad Reza Soltanian
  • Naum I. Gershenzon
  • Xiaoying Zhang
  • Funing Ma

Ritzi's publications have appeared in a range of scientific venues such as Applied Energy, Advances in Water Resources, Journal of Sedimentary Research, The Ohio Journal of Science, and arXiv (Cornell University).

The main fields of study covered by their research are:

  • Environmental Science
  • Engineering
  • Earth and Planetary Sciences

Subfields that frequently appear in their work include:

  • Environmental Engineering
  • Atmospheric Science
  • Ocean Engineering
  • Mechanics of Materials
  • Computational Theory and Mathematics

The scientist's main research topics address:

  • CO2 Sequestration and Geologic Interactions
  • Enhanced Oil Recovery Techniques
  • Hydrocarbon exploration and reservoir analysis
  • Advanced Mathematical Modeling in Engineering
  • Groundwater flow and contamination studies
  • Methane Hydrates and Related Phenomena
  • Geological formations and processes

Best Publications

  • Application of upscaling methods for fluid flow and mass transport in multi-scale heterogeneous media: A critical review

    Xiaoying Zhang;Funing Ma;Shangxian Yin;Corey D Wallace

  • Behavior of indicator variograms and transition probabilities in relation to the variance in lengths of hydrofacies

    Robert W. Ritzi

  • Dissolution Trapping of Carbon Dioxide in Heterogeneous Aquifers

    Mohamad Reza Soltanian;Mohamad Reza Soltanian;Mohammad Amin Amooie;Naum Gershenzon;Zhenxue Dai;Zhenxue Dai

  • Porosity and Permeability in Sediment Mixtures

    Patrick J. Kamann;Robert W. Ritzi;David F. Dominic;Caleb M. Conrad

  • Spatial correlation of permeability in cross‐stratified sediment with hierarchical architecture

    Robert W. Ritzi;Zhenxue Dai;David F. Dominic;Yoram N. Rubin

  • Influence of small-scale fluvial architecture on CO 2 trapping processes in deep brine reservoirs

    Naum I. Gershenzon;Robert W. Ritzi;David F. Dominic;Mohamad Reza Soltanian

  • Geostatistical Modeling of Heterogeneity in Glaciofluvial, Buried-Valley Aquifers

    Robert W. Ritzi;Dale F. Jayne;Arthur J. Zahradnik;Adrian A. Field

  • Relation Between Anisotropic Transmissivity and Azimuthal Resistivity Surveys in Shallow, Fractured, Carbonate Flow Systems

    Robert William Ritzi;Robert Henry Andolsek

  • Influence of Small Scale Heterogeneity on CO2 Trapping Processes in Deep Saline Aquifers

    Naum I. Gershenzon;Mohamadreza Soltanian;Robert W. Ritzi;David F. Dominic

  • Improving Permeability Semivariograms with Transition Probability Models of Hierarchical Sedimentary Architecture Derived from Outcrop-Analog Studies

    Zhenxue Dai;Robert W. Ritzi;David F. Dominic

  • Transport in heterogeneous sediments with multimodal conductivity and hierarchical organization across scales

    Zhenxue Dai;Robert W. Ritzi;Chaocheng Huang;Yoram N. Rubin

  • Analysis of Temporal Variability in Hydrogeochemical Data Used for Multivariate Analyses

    Robert W. Ritzi;Stephen L. Wright;Barbara Mann;Manling Chen

  • Capillary trapping of CO2 in heterogeneous reservoirs during the injection period

    Naum I. Gershenzon;Robert W. Ritzi;David F. Dominic;Edward Mehnert

  • Modeling Multiscale Heterogeneity and Aquifer Interconnectivity

    Christopher J. Proce;Robert W. Ritzi;David F. Dominic;Zhenxue Dai

  • Comparing statistical models of physical heterogeneity in buried-valley aquifers

    Robert W. Ritzi;David F. Dominic;Andris J. Slesers;Christopher B. Greer

  • Hydrofacies distribution and correlation in the Miami Valley Aquifer System

    Robert W. Ritzi;David F. Dominic;Nathan R. Brown;Kenneth W. Kausch

  • Simulating the heterogeneity in braided channel belt deposits: 1. A geometric‐based methodology and code

    Ramya Ramanathan;Arijit Guin;Robert W. Ritzi;David F. Dominic

  • The estimation of fluid flow properties from the response of water levels in wells to the combined atmospheric and Earth tide forces

    Robert William Ritzi;Soroosh Sorooshian;Paul A. Hsieh

  • Representing aquifer architecture in macrodispersivity models with an analytical solution of the transition probability matrix

    Zhenxue Dai;Andrew Wolfsberg;Zhiming Lu;Robert W. Ritzi

  • Characterization and modeling of spatial variability in a complex alluvial aquifer: Implications on solute transport

    Alexander Y. Sun;Robert W. Ritzi;Darrell W. Sims

  • Simulating the heterogeneity in braided channel belt deposits: 2. Examples of results and comparison to natural deposits

    Arijit Guin;Ramya Ramanathan;Robert W. Ritzi;David F. Dominic

  • Introduction to Geostatistics: Applications in Hydrogeology

    Robert W. Ritzi

Frequent Co-Authors

Mohamad Reza Soltanian
Mohamad Reza Soltanian University of Cincinnati
Zhenxue Dai
Zhenxue Dai Los Alamos National Laboratory
Yoram Rubin
Yoram Rubin University of California, Berkeley
Soroosh Sorooshian
Soroosh Sorooshian University of California, Irvine
James Leonard Best
James Leonard Best University of Illinois at Urbana-Champaign
Graham E. Fogg
Graham E. Fogg University of California, Davis
Paul A. Hsieh
Paul A. Hsieh United States Geological Survey
Shlomo P. Neuman
Shlomo P. Neuman University of Arizona
Alexander Y. Sun
Alexander Y. Sun The University of Texas at Austin

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