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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 35 7787 7218 2633 2330 126 3387

Ryan T. Bailey publications per year

The chart shows the history of publications by Ryan T. Bailey between 2002 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Ryan T. Bailey published across 25 years, from 2002 to 2026, averaging 9 papers a year. Output peaked at 28 publications in 2025. 34 of the 225 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 2002 to 2026. Vertical axis: number of publications, 0 to 28. Peak 28 publications in 2025. 2002: 1 publication 2003: 0 publications 2004: 0 publications 2005: 0 publications 2006: 0 publications 2007: 2 publications 2008: 2 publications 2009: 4 publications 2010: 5 publications 2011: 5 publications 2012: 6 publications 2013: 4 publications 2014: 10 publications 2015: 12 publications 2016: 6 publications 2017: 15 publications 2018: 22 publications 2019: 16 publications 2020: 13 publications 2021: 8 publications 2022: 24 publications 2023: 17 publications 2024: 19 publications 2025: 28 publications 2026: 6 publications
2002 2026

225 publications in total across all disciplines

View publications per year as a table
Ryan T. Bailey: publications per year, 2002 to 2026
Year Publications
2002 1
2003 0
2004 0
2005 0
2006 0
2007 2
2008 2
2009 4
2010 5
2011 5
2012 6
2013 4
2014 10
2015 12
2016 6
2017 15
2018 22
2019 16
2020 13
2021 8
2022 24
2023 17
2024 19
2025 28
2026 6
Total 225
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Ryan T. Bailey 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 Ryan T. Bailey 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, 118–127 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: 126 publications — 25th percentile

25% 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
98–107 404
108–117 484
118–127 540 126
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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Ryan T. Bailey 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 Ryan T. Bailey 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

Ryan T. Bailey is affiliated with Colorado State University in the United States. Their research focuses predominantly on environmental science, with a particular emphasis on water science and technology and environmental engineering. The scope of their work extends into global and planetary change, ocean engineering, and geochemistry and petrology.

Their research topics cover a range of areas including hydrology and watershed management studies, groundwater flow and contamination studies, water resources management and optimization, groundwater and isotope geochemistry, hydrological forecasting using AI, flood risk assessment and management, and soil and unsaturated flow.

Bailey has contributed to multiple publications in several prominent journals. Frequent publication venues include:

  • Environmental Modelling & Software
  • The Science of The Total Environment
  • Journal of Hydrology
  • SSRN Electronic Journal
  • Agricultural Water Management

Some of their recent research papers are:

  • "A New Physically-Based Spatially-Distributed Groundwater Flow Module for SWAT+", 2020, Hydrology
  • "Enhancing SWAT+ simulation of groundwater flow and groundwater-surface water interactions using MODFLOW routines", 2020, Environmental Modelling & Software
  • "Evaluating the contribution of subsurface drainage to watershed water yield using SWAT+ with groundwater modeling", 2021, The Science of The Total Environment

Frequent coauthors collaborating with Bailey include:

  • Salam A. Abbas
  • Jeffrey G. Arnold
  • Isaya Kisekka
  • Seonggyu Park
  • Jeremy T. White

Best Publications

  • Assessing regional‐scale spatio‐temporal patterns of groundwater–surface water interactions using a coupled SWAT‐MODFLOW model

    Ryan T. Bailey;Tyler C. Wible;Mazdak Arabi;Rosemary M. Records

  • Coupled SWAT-MODFLOW model for large-scale mixed agro-urban river basins

    Fatemeh Aliyari;Ryan T. Bailey;Ali Tasdighi;André Dozier

  • Comprehensive simulation of nitrate transport in coupled surface-subsurface hydrologic systems using the linked SWAT-MODFLOW-RT3D model

    Xiaolu Wei;Ryan T. Bailey;Rosemary M. Records;Tyler C. Wible

  • Numerical Modeling of Atoll Island Hydrogeology

    R.T. Bailey;J.W. Jenson;A.E. Olsen

  • Assessing selenium contamination in the irrigated stream-aquifer system of the Arkansas River, Colorado.

    Timothy K. Gates;Brent M. Cody;Joseph P. Donnelly;Alexander W. Herting

  • Comparison of abstraction scenarios simulated by SWAT and SWAT-MODFLOW

    Eugenio Molina-Navarro;Ryan T. Bailey;Hans Estrup Andersen;Hans Thodsen

  • A QGIS-based graphical user interface for application and evaluation of SWAT-MODFLOW models

    Seonggyu Park;Anders Nielsen;Ryan T. Bailey;Dennis Trolle

  • Modeling variably saturated multispecies reactive groundwater solute transport with MODFLOW-UZF and RT3D.

    Ryan T. Bailey;Eric D. Morway;Richard G. Niswonger;Timothy K. Gates

  • The Role of Interior Watershed Processes in Improving Parameter Estimation and Performance of Watershed Models

    Haw Yen;Ryan T. Bailey;Mazdak Arabi;Mehdi Ahmadi

  • The influence of nitrate on selenium in irrigated agricultural groundwater systems.

    Ryan T. Bailey;William J. Hunter;Timothy K. Gates

  • A New Physically-Based Spatially-Distributed Groundwater Flow Module for SWAT+

    Ryan T. Bailey;Katrin Bieger;Jeffrey G. Arnold;David D. Bosch

  • Review: Selenium contamination, fate, and reactive transport in groundwater in relation to human health

    Ryan T. Bailey

  • Ensemble smoother assimilation of hydraulic head and return flow data to estimate hydraulic conductivity distribution

    R. Bailey;D. Baù

  • SWATMOD‐Prep: Graphical User Interface for Preparing Coupled SWAT‐MODFLOW Simulations

    Ryan Bailey;Hendrik Rathjens;Katrin Bieger;Indrajeet Chaubey

  • Modeling variably saturated subsurface solute transport with MODFLOW-UZF and MT3DMS

    Eric D. Morway;Richard G. Niswonger;Christian D. Langevin;Ryan T. Bailey

  • Estimating the ground water resources of atoll islands.

    Ryan T. Bailey;John W. Jenson;Arne E. Olsen

  • Enhancing SWAT+ simulation of groundwater flow and groundwater-surface water interactions using MODFLOW routines

    Ryan T. Bailey;Seonggyu Park;Katrin Bieger;Jeffrey G. Arnold

  • The Heterogeneous Impacts of Groundwater Management Policies in the Republican River Basin of Colorado

    R. A. Hrozencik;D. T. Manning;J. F. Suter;C. Goemans

  • Spatio‐temporal patterns of the interaction between groundwater and surface water in plains

    Cristian Guevara Ochoa;Agustín Medina Sierra;Luis Vives;Erik Zimmermann

  • Appraising climate change impacts on future water resources and agricultural productivity in agro-urban river basins.

    Fatemeh Aliyari;Ryan T. Bailey;Mazdak Arabi

  • Spatial and temporal variability of in-stream water quality parameter influence on dissolved oxygen and nitrate within a regional stream network

    Ryan T. Bailey;Mehdi Ahmadi

Frequent Co-Authors

Mazdak Arabi
Mazdak Arabi Colorado State University
Dennis Trolle
Dennis Trolle Aarhus University
Jeffrey G. Arnold
Jeffrey G. Arnold Agricultural Research Service
Prasanna H. Gowda
Prasanna H. Gowda United States Department of Agriculture
Erik Jeppesen
Erik Jeppesen Aarhus University
Mark D. Tomer
Mark D. Tomer US Department of Agriculture
Steve W. Lyon
Steve W. Lyon The Ohio State University
Raghavan Srinivasan
Raghavan Srinivasan Texas A&M University
Indrajeet Chaubey
Indrajeet Chaubey University of Connecticut
Ardell D. Halvorson
Ardell D. Halvorson Agricultural Research Service

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