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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 62 1736 1558 105 94 178 10094

Gérard Gruau publications per year

The chart shows the history of publications by Gérard Gruau between 1982 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Gérard Gruau published across 43 years, from 1982 to 2024, averaging 4.9 papers a year. Output peaked at 17 publications in 2015. 3 of the 210 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1982 to 2024. Vertical axis: number of publications, 0 to 17. Peak 17 publications in 2015. 1982: 1 publication 1983: 0 publications 1984: 0 publications 1985: 2 publications 1986: 0 publications 1987: 1 publication 1988: 3 publications 1989: 0 publications 1990: 2 publications 1991: 2 publications 1992: 1 publication 1993: 0 publications 1994: 1 publication 1995: 2 publications 1996: 3 publications 1997: 2 publications 1998: 3 publications 1999: 1 publication 2000: 2 publications 2001: 5 publications 2002: 2 publications 2003: 2 publications 2004: 4 publications 2005: 7 publications 2006: 10 publications 2007: 13 publications 2008: 8 publications 2009: 13 publications 2010: 8 publications 2011: 11 publications 2012: 7 publications 2013: 10 publications 2014: 9 publications 2015: 17 publications 2016: 7 publications 2017: 10 publications 2018: 17 publications 2019: 6 publications 2020: 6 publications 2021: 7 publications 2022: 2 publications 2023: 2 publications 2024: 1 publication
1982 2024

210 publications in total across all disciplines

View publications per year as a table
Gérard Gruau: publications per year, 1982 to 2024
Year Publications
1982 1
1983 0
1984 0
1985 2
1986 0
1987 1
1988 3
1989 0
1990 2
1991 2
1992 1
1993 0
1994 1
1995 2
1996 3
1997 2
1998 3
1999 1
2000 2
2001 5
2002 2
2003 2
2004 4
2005 7
2006 10
2007 13
2008 8
2009 13
2010 8
2011 11
2012 7
2013 10
2014 9
2015 17
2016 7
2017 10
2018 17
2019 6
2020 6
2021 7
2022 2
2023 2
2024 1
Total 210
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Gérard Gruau 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 Gérard Gruau 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, 178–187 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: 178 publications — 54th percentile

54% 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
178–187 414 178
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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Gérard Gruau 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 Gérard Gruau 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, 62 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: 62 D-Index — 82nd percentile

82% 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 62
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

Gérard Gruau is affiliated with the University of Rennes in France and has contributed extensively to the fields of Environmental Science and Earth and Planetary Sciences. Their research primarily focuses on topics related to soil and water nutrient dynamics, hydrology and watershed management studies, marine and coastal ecosystems, and aquatic ecosystems and phytoplankton dynamics.

The scientist's work often intersects with phosphorus and nutrient management as well as groundwater and isotope geochemistry. Additionally, their studies cover water quality and pollution assessment, reflecting a broad engagement with environmental chemistry, water science and technology, oceanography, industrial and manufacturing engineering, and geochemistry and petrology.

Among the venues where Gérard Gruau has published are:

  • Comptes Rendus Géoscience (3 publications)
  • Water Resources Research (2 publications)
  • Frontiers in Environmental Science (1 publication)
  • Journal of Environmental Quality (1 publication)
  • Landscape Ecology (1 publication)

Their recent papers include:

  • "Predicting Nutrient Incontinence in the Anthropocene at Watershed Scales," 2020, Frontiers in Environmental Science
  • "Evidence of colloids as important phosphorus carriers in natural soil and stream waters in an agricultural catchment," 2020, Journal of Environmental Quality
  • "The influence of landscape spatial configuration on nitrogen and phosphorus exports in agricultural catchments," 2021, Landscape Ecology
  • "Multitemporal Relationships Between the Hydroclimate and Exports of Carbon, Nitrogen, and Phosphorus in a Small Agricultural Watershed," 2020, Water Resources Research
  • "River network alteration of C-N-P dynamics in a mesoscale agricultural catchment," 2020, The Science of The Total Environment

Frequent co-authors collaborating with Gérard Gruau include Rémi Dupas, Sen Gu, Antoine Casquin, Ophélie Fovet, and Laurent Jeanneau. These collaborations indicate an active engagement in interdisciplinary research networks.

The main fields of study represented in their work are Environmental Science with 31 publications and Earth and Planetary Sciences with 9 publications. Their subfields emphasize environmental chemistry with 15 publications and water science and technology with 9 publications, among others.

Gérard Gruau's research contributions provide insight into nutrient cycling and water quality dynamics at watershed scales, addressing challenges related to ecological sustainability and environmental management.

Best Publications

  • The distribution of rare earth elements in groundwaters: assessing the role of source-rock composition, redox changes and colloidal particles

    Aline Dia;Aline Dia;Gérard Gruau;Gwenaelle Olivié-Lauquet;Christine Riou

  • Increasing pH drives organic matter solubilization from wetland soils under reducing conditions

    Malagorzata Grybos;Mélanie Davranche;Gérard Gruau;Patrice Petitjean

  • Is trace metal release in wetland soils controlled by organic matter mobility or Fe-oxyhydroxides reduction?

    Malagorzata Grybos;Mélanie Davranche;Gérard Gruau;Patrice Petitjean

  • Rare earth elements complexation with humic acid

    Olivier Pourret;Mélanie Davranche;Gérard Gruau;Aline Dia

  • Komatiites of the Onverwacht Group, S. Africa: REE geochemistry, Sm/Nd age and mantle evolution

    Bor-ming Jahn;G. Gruau;A. Y. Glikson

  • OZCAR: The French Network of Critical Zone Observatories

    J. Gaillardet;I. Braud;F. Hankard;S. Anquetin

  • The influence of alteration on the trace-element and Nd isotopic compositions of komatiites

    Yann Lahaye;Nicholas Arndt;Gary Byerly;Catherine Chauvel

  • Adsorption of REE(III)-humate complexes onto MnO2 : Experimental evidence for cerium anomaly and lanthanide tetrad effect suppression

    Mélanie Davranche;Olivier Pourret;Gérard Gruau;Aline Dia

  • Release of trace elements in wetlands: role of seasonal variability.

    Gwenaelle Olivie-Lauquet;Gerard Gruau;Aline Dia;Christine Riou

  • Insights into colloid-mediated trace element release at the soil/water interface

    Mathieu Pédrot;Aline Dia;Mélanie Davranche;Martine Bouhnik-Le Coz

  • RbSr and 40Ar39Ar laser probe dating of high-pressure phengites from the Sesia zone (Western Alps): underscoring of excess argon and new age constraints on the high-pressure metamorphism

    Gilles Ruffet;Gérard Gruau;Michel Ballèvre;Gilbert Féraud

  • Unexpected spatial stability of water chemistry in headwater stream networks.

    Benjamin W. Abbott;Benjamin W. Abbott;Benjamin W. Abbott;Gérard Gruau;Jay P. Zarnetske;Florentina Moatar

  • Resetting of SmNd systematics during metamorphism of > 3.7-Ga rocks: implications for isotopic models of early Earth differentiation

    G. Gruau;M. Rosing;D. Bridgwater;R.C.O. Gill

  • Role of water table dynamics on stream nitrate export and concentration. in agricultural headwater catchment (France)

    Jérôme Molenat;Chantal Gascuel-Odoux;Laurent Ruiz;Gérard Gruau

  • Controls on the distribution of rare earth elements in shallow groundwaters.

    G Gérard Gruau;Aline Dia;Gwenaelle Olivié-Lauquet;Mélanie Davranche

  • New insights into cerium anomalies in organic-rich alkaline waters

    Olivier Pourret;Mélanie Davranche;Gérard Gruau;Aline Dia

  • Impact of humate complexation on the adsorption of REE onto Fe oxyhydroxide

    Mélanie Davranche;Olivier Pourret;Gérard Gruau;Aline Dia

  • Competition between humic acid and carbonates for rare earth elements complexation

    Olivier Pourret;Mélanie Davranche;Gérard Gruau;Aline Dia

  • A Compilation of Silicon and Thirty One Trace Elements Measured in the Natural River Water Reference Material SLRS-4 (NRC-CNRC)

    Delphine Yeghicheyan;Jean Carignan;Michel Valladon;Martine Bouhnik Le Coz

  • Rare earth element patterns: A tool for identifying trace metal sources during wetland soil reduction

    Mélanie Davranche;Malagorzata Grybos;Gérard Gruau;Mathieu Pédrot

  • Competitive binding of REE to humic acid and manganese oxide: Impact of reaction kinetics on development of cerium anomaly and REE adsorption

    Mélanie Davranche;Olivier Pourret;Gérard Gruau;Aline Dia

  • Challenges of Reducing Phosphorus Based Water Eutrophication in the Agricultural Landscapes of Northwest Europe

    Roland Bol;Gerard Gruau;Per-Erik Mellander;Remi Dupas

Frequent Co-Authors

Aline Dia
Aline Dia University of Rennes
Chantal Gascuel-Odoux
Chantal Gascuel-Odoux University of Rennes
Patrick Durand
Patrick Durand Institut Agro, France
Laurent Ruiz
Laurent Ruiz Indian Institute of Science
Bernd Nowack
Bernd Nowack Swiss Federal Laboratories for Materials Science and Technology
Florentina Moatar
Florentina Moatar François Rabelais University
Christophe Lécuyer
Christophe Lécuyer Claude Bernard University Lyon 1
Serge Fourcade
Serge Fourcade University of Rennes
Benjamin W. Abbott
Benjamin W. Abbott Brigham Young University
Gilles Pinay
Gilles Pinay Centre national de la recherche scientifique, CNRS

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