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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 76 645 569 314 267 375 24893

Robert Horton publications per year

The chart shows the history of publications by Robert Horton between 1975 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Robert Horton published across 52 years, from 1975 to 2026, averaging 9.1 papers a year. Output peaked at 29 publications in 2018. 10 of the 471 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1975 to 2026. Vertical axis: number of publications, 0 to 29. Peak 29 publications in 2018. 1975: 1 publication 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 4 publications 1983: 3 publications 1984: 3 publications 1985: 7 publications 1986: 1 publication 1987: 6 publications 1988: 6 publications 1989: 7 publications 1990: 8 publications 1991: 4 publications 1992: 6 publications 1993: 1 publication 1994: 6 publications 1995: 5 publications 1996: 6 publications 1997: 9 publications 1998: 11 publications 1999: 10 publications 2000: 10 publications 2001: 6 publications 2002: 18 publications 2003: 13 publications 2004: 9 publications 2005: 7 publications 2006: 7 publications 2007: 11 publications 2008: 13 publications 2009: 8 publications 2010: 21 publications 2011: 12 publications 2012: 7 publications 2013: 13 publications 2014: 16 publications 2015: 14 publications 2016: 16 publications 2017: 17 publications 2018: 29 publications 2019: 11 publications 2020: 21 publications 2021: 27 publications 2022: 18 publications 2023: 22 publications 2024: 11 publications 2025: 9 publications 2026: 1 publication
1975 2026

471 publications in total across all disciplines

View publications per year as a table
Robert Horton: publications per year, 1975 to 2026
Year Publications
1975 1
1976 0
1977 0
1978 0
1979 0
1980 0
1981 0
1982 4
1983 3
1984 3
1985 7
1986 1
1987 6
1988 6
1989 7
1990 8
1991 4
1992 6
1993 1
1994 6
1995 5
1996 6
1997 9
1998 11
1999 10
2000 10
2001 6
2002 18
2003 13
2004 9
2005 7
2006 7
2007 11
2008 13
2009 8
2010 21
2011 12
2012 7
2013 13
2014 16
2015 14
2016 16
2017 17
2018 29
2019 11
2020 21
2021 27
2022 18
2023 22
2024 11
2025 9
2026 1
Total 471
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Robert Horton 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 Horton 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, 368–377 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: 375 publications — 93rd percentile

93% 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
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 60 375
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 Horton 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 Horton 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, 76 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: 76 D-Index — 93rd percentile

93% 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
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 76
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 Horton is affiliated with Iowa State University in the United States. The primary areas of their research encompass Engineering, Environmental Science, and Earth and Planetary Sciences. Within these domains, they focus on subfields such as Civil and Structural Engineering, Environmental Engineering, Atmospheric Science, Renewable Energy, Sustainability and the Environment, and Global and Planetary Change.

The scientist's work covers multiple topics, including

  • Soil and Unsaturated Flow
  • Geothermal Energy Systems and Applications
  • Soil Moisture and Remote Sensing
  • Climate Change and Permafrost
  • Plant Water Relations and Carbon Dynamics
  • Geophysical Methods and Applications
  • Cryospheric Studies and Observations

Robert Horton's recent publications include:

  • "Similarity and difference of potential evapotranspiration and reference crop evapotranspiration - a review" (2020), published in Agricultural Water Management
  • "A review of time domain reflectometry (TDR) applications in porous media" (2021), published in Advances in Agronomy
  • "A general form of Archie's model for estimating bulk soil electrical conductivity" (2021), published in Journal of Hydrology
  • "Comparative analysis of seven machine learning algorithms and five empirical models to estimate soil thermal conductivity" (2022), published in Agricultural and Forest Meteorology
  • "Global navigation of Lithium in water bodies and emerging human health crisis" (2023), published in npj Clean Water

Frequent collaborators include:

  • Tusheng Ren
  • Joshua L. Heitman
  • Yili Lu
  • Yongwei Fu
  • Zhuangji Wang

Robert Horton has published extensively in several academic journals, with the highest number of publications in:

  • Geoderma
  • Soil Science Society of America Journal
  • Journal of Hydrology
  • Soil and Tillage Research
  • Computers and Electronics in Agriculture

Best Publications

  • Impact of biochar amendments on the quality of a typical Midwestern agricultural soil

    David A. Laird;Pierce Fleming;Dedrick D. Davis;Robert Horton

  • Biochar impact on nutrient leaching from a Midwestern agricultural soil.

    David Laird;Pierce Fleming;Baiqun Wang;Robert Horton

  • An Approach Toward a Physical Interpretation of Infiltration-Capacity

    Robert E. Horton

  • An Improved Model for Predicting Soil Thermal Conductivity from Water Content at Room Temperature

    Sen Lu;Tusheng Ren;Yuanshi Gong;Robert Horton

  • Simple field method for determining unsaturated hydraulic conductivity

    Mark D. Ankeny;Mushtaque Ahmed;Thomas C. Kaspar;Robert Horton

  • Assessing potential of biochar for increasing water‐holding capacity of sandy soils

    Andres S. Basso;Fernando E. Miguez;David A. Laird;Robert Horton

  • Soil Heat and Water Flow With a Partial Surface Mulch

    Sang-Ok Chung;Robert Horton

  • A New Perspective on Soil Thermal Properties

    Tyson E. Ochsner;Robert Horton;Tusheng Ren

  • Measurement of Soil Thermal Properties with a Dual-Probe Heat-Pulse Technique

    Keith L. Bristow;Gerard J. Kluitenberg;Robert Horton

  • Soil organic carbon and total nitrogen as affected by vegetation types in Northern Loess Plateau of China

    Xiaoli Fu;Mingan Shao;Xiaorong Wei;Robert Horton

  • Design for an Automated Tension Infiltrometer

    M. D. Ankeny;T. C. Kaspar;R. Horton

  • Physical and mineral-nutrition properties of sand-based turfgrass root zones amended with biochar.

    Shane R. Brockhoff;Nick E. Christians;Randy J. Killorn;Robert Horton

  • Evaluation of Methods for Determining the Apparent Thermal Diffusivity of Soil Near the Surface

    R. Horton;P. J. Wierenga;D. R. Nielsen

  • Modified sessile drop method for assessing initial soil-water contact angle of sandy soil

    J. Bachmann;R. Horton;R. R. van der Ploeg;S. Woche

  • Extended methodology for determining wetting properties of porous media

    J. Bachmann;S. K. Woche;M.-O. Goebel;M. B. Kirkham

  • Characterization of Tillage and Traffic Effects on Unconfined Infiltration Measurements

    Mark D. Ankeny;Tom C. Kaspar;Robert Horton Jr.

  • Cryptic footprints of rare earth elements on natural resources and living organisms

    Muhammad Adeel;Jie Yinn Lee;Muhammad Zain;Muhammad Rizwan

  • Measuring soil water content, electrical conductivity, and thermal properties with a thermo-time domain reflectometry probe

    T. Ren;K. Noborio;R. Horton

  • Temporal changes of soil hydraulic properties under different land uses

    Wei Hu;Wei Hu;Mingan Shao;Quanjiu Wang;Jun Fan

  • Spatial analysis of hydraulic conductivity measured using disc infiltrometers

    Binayak P. Mohanty;Mark D. Ankeny;Robert Horton Jr.;Rameshwar S. Kanwar

  • Contact angle of soils as affected by depth, texture, and land management

    S. K. Woche;M.-O. Goebel;M. B. Kirkham;R. Horton

Frequent Co-Authors

Tusheng Ren
Tusheng Ren China Agricultural University
Joshua L. Heitman
Joshua L. Heitman North Carolina State University
Mingan Shao
Mingan Shao Chinese Academy of Sciences
Tyson Ochsner
Tyson Ochsner Oklahoma State University
Zhiqiu Gao
Zhiqiu Gao Chinese Academy of Sciences
Dan B. Jaynes
Dan B. Jaynes Agricultural Research Service
Xiaorong Wei
Xiaorong Wei Northwest A&F University
Bing Cheng Si
Bing Cheng Si University of Saskatchewan
Matthew J. Helmers
Matthew J. Helmers Iowa State University
Keith L. Bristow
Keith L. Bristow Commonwealth Scientific and Industrial Research Organisation

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