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Earth Science
Denmark
2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 72 872 771 8 7 437 16540

Per Moldrup publications per year

The chart shows the history of publications by Per Moldrup between 1989 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Per Moldrup published across 37 years, from 1989 to 2025, averaging 13.6 papers a year. Output peaked at 29 publications in 2013. 16 of the 502 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1989 to 2025. Vertical axis: number of publications, 0 to 29. Peak 29 publications in 2013. 1989: 2 publications 1990: 1 publication 1991: 0 publications 1992: 4 publications 1993: 2 publications 1994: 8 publications 1995: 5 publications 1996: 13 publications 1997: 10 publications 1998: 19 publications 1999: 16 publications 2000: 11 publications 2001: 14 publications 2002: 26 publications 2003: 23 publications 2004: 16 publications 2005: 8 publications 2006: 11 publications 2007: 16 publications 2008: 27 publications 2009: 15 publications 2010: 19 publications 2011: 21 publications 2012: 27 publications 2013: 29 publications 2014: 26 publications 2015: 21 publications 2016: 19 publications 2017: 11 publications 2018: 13 publications 2019: 15 publications 2020: 17 publications 2021: 9 publications 2022: 8 publications 2023: 4 publications 2024: 6 publications 2025: 10 publications
1989 2025

502 publications in total across all disciplines

View publications per year as a table
Per Moldrup: publications per year, 1989 to 2025
Year Publications
1989 2
1990 1
1991 0
1992 4
1993 2
1994 8
1995 5
1996 13
1997 10
1998 19
1999 16
2000 11
2001 14
2002 26
2003 23
2004 16
2005 8
2006 11
2007 16
2008 27
2009 15
2010 19
2011 21
2012 27
2013 29
2014 26
2015 21
2016 19
2017 11
2018 13
2019 15
2020 17
2021 9
2022 8
2023 4
2024 6
2025 10
Total 502
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Per Moldrup 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 Per Moldrup 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, 428–437 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: 437 publications — 96th percentile

96% 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
378–387 34
388–397 50
398–407 44
408–417 31
418–427 39
428–437 27 437
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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Per Moldrup 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 Per Moldrup 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, 72 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: 72 D-Index — 91st percentile

91% 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 72
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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Research.com Recognitions

  • 2026 - Research.com Earth Science in Denmark Leader Award
  • 2025 - Research.com Earth Science in Denmark Leader Award
  • 2023 - Research.com Earth Science in Denmark Leader Award
  • 2022 - Research.com Earth Science in Denmark Leader Award
  • 2005 - Fellow of the Soil Science Society of America (SSSA)

Overview

Per Moldrup is affiliated with Aalborg University in Denmark, where they focus their research on environmental science and engineering. Their scholarly work covers a variety of fields including environmental engineering, civil and structural engineering, and soil science, illustrating a multidisciplinary approach to soil and environmental studies.

Their research addresses significant topics such as soil and unsaturated flow, soil carbon and nitrogen dynamics, soil geostatistics and mapping, fire effects on ecosystems, climate change and permafrost, groundwater flow and contamination studies, and soil moisture and remote sensing. These subjects indicate a deep engagement with soil behavior and environmental processes at various scales.

Moldrup has contributed extensively to several publication venues. Notably, they have published frequently in the journal Geoderma and the Soil Science Society of America Journal, alongside works appearing in SSRN Electronic Journal, Vadose Zone Journal, and Construction and Building Materials. This spread reflects their impact across soil science and environmental engineering disciplines.

Their recent papers include:

  • Improvements in soil physical properties after long-term manure addition depend on soil and crop type, 2022, Geoderma
  • Contribution of organic carbon to the total specific surface area of soils with varying clay mineralogy, 2022, Geoderma
  • Linking litter decomposition to soil physicochemical properties, gas transport, and land use, 2021, Soil Science Society of America Journal
  • Estimating Atterberg limits of soils from hygroscopic water content, 2020, Geoderma
  • Moisture-dependent Water Repellency of Greenlandic Cultivated Soils, 2021, Geoderma

Throughout their career, Moldrup has collaborated with several frequent coauthors, including Lis Wollesen de Jonge, Emmanuel Arthur, Mogens Humlekrog Greve, Peter Lystbæk Weber, and Trine Nørgaard. These continued partnerships have contributed to a consistent body of work in soil and environmental sciences.

In recognition of their expertise and contribution to soil science, Moldrup was named a Fellow of the Soil Science Society of America in 2005, reflecting their standing within the professional community.

Best Publications

  • Tortuosity, diffusivity, and permeability in the soil liquid and gaseous phases

    Per Møldrup;T. Olesen;T. Komatsu;P. Schjønning

  • Predicting the Gas Diffusion Coefficient in Repacked Soil Water-Induced Linear Reduction Model

    Per Møldrup;T. Olesen;J. Gamst;P. Schjønning

  • Predicting the Gas Diffusion Coefficient in Undisturbed Soil from Soil Water Characteristics

    P. Møldrup;Torben Olesen;P. Schjønning;T. Yamaguchi

  • Soil water repellency: effects of water content, temperature, and particle size

    L. W. de Jonge;O. H. Jacobsen;P. Moldrup

  • Linking soil microbial activity to water- and air-phase contents and diffusivities

    Per Schjønning;Ingrid K. Thomsen;Per Moldrup;Bent T. Christensen

  • Colloids and Colloid-Facilitated Transport of Contaminants in Soils: An Introduction

    L.W. de Jonge;C. Kjærgaard;Per Møldrup

  • RELATIONS BETWEEN SPECIFIC SURFACE AREA AND SOIL PHYSICAL AND CHEMICAL PROPERTIES

    L. W. Petersen;P. Moldrup;O. H. Jacobsen;D. E. Rolston

  • Particle transport in macropores of undisturbed soil columns

    O.H Jacobsen;P Moldrup;C Larsen;L Konnerup

  • Glyphosate Sorption in Soils of Different ph and Phosphorus Content

    H. de Jonge;L. W. de Jonge;O. H. Jacobsen;T. Yamaguchi

  • Linking air and water transport in intact soils to macropore characteristics inferred from X-ray computed tomography

    S. Katuwal;Trine Nørgaard;Per Møldrup;Mathieu André Maurice Lamande

  • In situ, on-site and laboratory measurements of soil air permeability: Boundary conditions and measurement scale

    B. V. Iversen;P. Schjønning;T. G. Poulsen;Per Møldrup

  • Particle Leaching and Particle-Facilitated Transport of Phosphorus at Field Scale

    L. W. de Jonge;P. Moldrup;G. H. Rubæk;K. Schelde

  • 4.3 Gas Diffusivity

    Dennis E. Rolston;Per Moldrup

  • Natural Capital, Ecosystem Services, and Soil Change: Why Soil Science Must Embrace an Ecosystems Approach

    D. A. Robinson;N. Hockley;E. Dominati;I. Lebron

  • Degradation of 4-nonylphenol in homogeneous and nonhomogeneous mixtures of soil and sewage sludge.

    Martin Hesselsøe;Dennis Jensen;Kim Skals;Torben Olesen

  • Three-Porosity Model for Predicting the Gas Diffusion Coefficient in Undisturbed Soil

    Per Moldrup;Torben Olesen;Seiko Yoshikawa;Toshiko Komatsu

  • Modeling Diffusion and Reaction in Soils: VII. Predicting Gas and Ion Diffusivity in Undisturbed and Sieved Soils

    P. Møldrup;Torben Olesen;D. E. Rolston;T. Yamaguchi

  • Comparison of Air and Water Permeability between Disturbed and Undisturbed Soils

    Atac Tuli;Jan W. Hopmans;Dennis E. Rolston;Per Moldrup

  • Modelling soil pore characteristics from measurements of air exchange: the long-term effects of fertilization and crop rotation

    P. Schjønning;L. J. Munkholm;Per Møldrup;O. H. Jacobsen

  • Modeling diffusion and reaction in soils. IX. The Buckingham-Burdine-Campbell equation for gas diffusivity in undisturbed soil

    P. Møldrup;Torben Olesen;T. Yamaguchi;P. Schjønning

  • Colloids and colloid-facilitated transport of contaminants in soils and sediments

    L. W. De Jonge;Per Møldrup;O. H. Jacobsen

Frequent Co-Authors

Lis Wollesen de Jonge
Lis Wollesen de Jonge Aarhus University
Per Schjønning
Per Schjønning Aarhus University
Dennis E. Rolston
Dennis E. Rolston University of California, Davis
Emmanuel Arthur
Emmanuel Arthur Aarhus University
Markus Tuller
Markus Tuller University of Arizona
Mogens Humlekrog Greve
Mogens Humlekrog Greve Aarhus University
Ty P. A. Ferré
Ty P. A. Ferré University of Arizona
Kate M. Scow
Kate M. Scow University of California, Davis
Dorthe Wildenschild
Dorthe Wildenschild Oregon State University
Syuntaro Hiradate
Syuntaro Hiradate Kyushu University

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