World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
39
Citations
5894
World Ranking
8365
National Ranking
372

Josephine Ras publication distribution in Environmental Sciences in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where Josephine Ras sits on this spectrum.

41–50 publications: 21 scientists 51–60 publications: 62 scientists 61–70 publications: 133 scientists 71–80 publications: 257 scientists 81–90 publications: 361 scientists 91–100 publications: 440 scientists 101–110 publications: 492 scientists 111–120 publications: 541 scientists 121–130 publications: 617 scientists 131–140 publications: 544 scientists 141–150 publications: 541 scientists 151–160 publications: 539 scientists 161–170 publications: 444 scientists 171–180 publications: 444 scientists 181–190 publications: 400 scientists 191–200 publications: 377 scientists 201–210 publications: 318 scientists 211–220 publications: 283 scientists 221–230 publications: 263 scientists 231–240 publications: 220 scientists 241–250 publications: 217 scientists 251–260 publications: 180 scientists 261–270 publications: 181 scientists 271–280 publications: 155 scientists 281–290 publications: 130 scientists 291–300 publications: 127 scientists 301–310 publications: 130 scientists 311–320 publications: 85 scientists 321–330 publications: 106 scientists 331–340 publications: 80 scientists 341–350 publications: 83 scientists 351–360 publications: 75 scientists 361–370 publications: 69 scientists 371–380 publications: 52 scientists 381–390 publications: 54 scientists 391–400 publications: 56 scientists 401–410 publications: 44 scientists 411–420 publications: 40 scientists 421–430 publications: 36 scientists 431–440 publications: 25 scientists 441–450 publications: 25 scientists 451–460 publications: 32 scientists 461–470 publications: 29 scientists 471–480 publications: 21 scientists 481–490 publications: 26 scientists 491–500 publications: 25 scientists 501–510 publications: 17 scientists 511–520 publications: 18 scientists 521–530 publications: 15 scientists 531–540 publications: 22 scientists 541–550 publications: 12 scientists 551–560 publications: 15 scientists 561–570 publications: 11 scientists 571–580 publications: 19 scientists 581–590 publications: 9 scientists 591–600 publications: 9 scientists 601–610 publications: 7 scientists 611–620 publications: 11 scientists 621–630 publications: 5 scientists 631–640 publications: 5 scientists 641–650 publications: 6 scientists 651–660 publications: 3 scientists 661–670 publications: 3 scientists 671–680 publications: 4 scientists 681–686 publications: 3 scientists 687+ publications: 100 scientists
41 publications 687+

This scientist: 172 publications — 52nd percentile

52% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 687 publications or more.

Josephine Ras D-index placement in Environmental Sciences in 2026

The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where Josephine Ras sits on this spectrum.

30 D-Index: 12 scientists 31 D-Index: 26 scientists 32 D-Index: 51 scientists 33 D-Index: 88 scientists 34 D-Index: 123 scientists 35 D-Index: 163 scientists 36 D-Index: 206 scientists 37 D-Index: 267 scientists 38 D-Index: 265 scientists 39 D-Index: 275 scientists 40 D-Index: 321 scientists 41 D-Index: 343 scientists 42 D-Index: 305 scientists 43 D-Index: 336 scientists 44 D-Index: 330 scientists 45 D-Index: 348 scientists 46 D-Index: 291 scientists 47 D-Index: 275 scientists 48 D-Index: 272 scientists 49 D-Index: 273 scientists 50 D-Index: 263 scientists 51 D-Index: 232 scientists 52 D-Index: 266 scientists 53 D-Index: 217 scientists 54 D-Index: 199 scientists 55 D-Index: 177 scientists 56 D-Index: 202 scientists 57 D-Index: 204 scientists 58 D-Index: 166 scientists 59 D-Index: 177 scientists 60 D-Index: 166 scientists 61 D-Index: 152 scientists 62 D-Index: 143 scientists 63 D-Index: 150 scientists 64 D-Index: 124 scientists 65 D-Index: 119 scientists 66 D-Index: 120 scientists 67 D-Index: 118 scientists 68 D-Index: 82 scientists 69 D-Index: 98 scientists 70 D-Index: 94 scientists 71 D-Index: 105 scientists 72 D-Index: 74 scientists 73 D-Index: 84 scientists 74 D-Index: 70 scientists 75 D-Index: 67 scientists 76 D-Index: 78 scientists 77 D-Index: 60 scientists 78 D-Index: 59 scientists 79 D-Index: 52 scientists 80 D-Index: 47 scientists 81 D-Index: 38 scientists 82 D-Index: 48 scientists 83 D-Index: 42 scientists 84 D-Index: 42 scientists 85 D-Index: 43 scientists 86 D-Index: 29 scientists 87 D-Index: 37 scientists 88 D-Index: 29 scientists 89 D-Index: 30 scientists 90 D-Index: 34 scientists 91 D-Index: 20 scientists 92 D-Index: 22 scientists 93 D-Index: 17 scientists 94 D-Index: 19 scientists 95 D-Index: 24 scientists 96 D-Index: 21 scientists 97 D-Index: 20 scientists 98 D-Index: 24 scientists 99 D-Index: 17 scientists 100 D-Index: 17 scientists 101 D-Index: 21 scientists 102 D-Index: 25 scientists 103 D-Index: 18 scientists 104 D-Index: 26 scientists 105 D-Index: 19 scientists 106 D-Index: 15 scientists 107 D-Index: 10 scientists 108 D-Index: 13 scientists 109 D-Index: 15 scientists 110 D-Index: 12 scientists 111 D-Index: 8 scientists 112 D-Index: 7 scientists 113 D-Index: 9 scientists 114 D-Index: 6 scientists 115 D-Index: 12 scientists 116 D-Index: 7 scientists 117 D-Index: 8 scientists 118 D-Index: 3 scientists 119 D-Index: 5 scientists 120 D-Index: 7 scientists 121 D-Index: 2 scientists 122 D-Index: 4 scientists 123 D-Index: 8 scientists 124 D-Index: 7 scientists 125+ D-Index: 99 scientists
30 D-Index 125+

This scientist: 39 D-Index — 15th percentile

15% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 125 D-Index or more.

Overview

Josephine Ras is affiliated with Université Paris Cité in France. Their research spans various areas within Earth and Planetary Sciences and Environmental Science, contributing primarily to oceanographic and environmental studies.

The main fields of study include:

  • Earth and Planetary Sciences
  • Environmental Science

Within these fields, their work covers key subfields such as:

  • Oceanography
  • Atmospheric Science
  • Ecology
  • Environmental Chemistry
  • Global and Planetary Change

The central topics of Josephine Ras's work focus on several marine and environmental themes:

  • Marine and coastal ecosystems
  • Arctic and Antarctic ice dynamics
  • Marine Biology and Ecology Research
  • Oceanographic and Atmospheric Processes
  • Geology and Paleoclimatology Research
  • Methane Hydrates and Related Phenomena
  • Coral and Marine Ecosystems Studies

Josephine Ras has published extensively in multiple venues, frequently contributing to:

  • Earth system science data
  • Zenodo (CERN European Organization for Nuclear Research)
  • Elementa Science of the Anthropocene
  • Frontiers in Marine Science
  • Scientific Data

Some of their recent papers include:

  • "Environmental drivers of under-ice phytoplankton bloom dynamics in the Arctic Ocean" (2020), published in Elementa Science of the Anthropocene
  • "Green Edge ice camp campaigns: understanding the processes controlling the under-ice Arctic phytoplankton spring bloom" (2020), published in Earth system science data
  • "The MALINA oceanographic expedition: how do changes in ice cover, permafrost and UV radiation impact biodiversity and biogeochemical fluxes in the Arctic Ocean?" (2021), published in Earth system science data
  • "Influence of the phytoplankton community composition on the in situ fluorescence signal: Implication for an improved estimation of the chlorophyll-a concentration from BioGeoChemical-Argo profiling floats" (2022), published in Frontiers in Marine Science
  • "Open science resources from the Tara Pacific expedition across coral reef and surface ocean ecosystems" (2023), published in Scientific Data

Collaborations play a significant role in their research, with frequent co-authors including:

  • Céline Dimier
  • Dominique Marie
  • Hervé Claustre
  • Gabriel Gorsky
  • Fabien Lombard

Best Publications

  • Natural variability of phytoplanktonic absorption in oceanic waters: Influence of the size structure of algal populations

    Annick Bricaud;Hervé Claustre;Joséphine Ras;Kadija Oubelkheir;Kadija Oubelkheir

  • Optical properties of the “clearest” natural waters

    André Morel;Bernard Gentili;Hervé Claustre;Marcel Babin

  • Spatial variability of phytoplankton pigment distributions in the Subtropical South Pacific Ocean: comparison between in situ and predicted data

    J. Ras;Hervé Claustre;J. Uitz;J. Uitz

  • Recommendations for obtaining unbiased chlorophyll estimates from in situ chlorophyll fluorometers: A global analysis of WET Labs ECO sensors

    Collin Roesler;Julia Uitz;Hervé Claustre;Emmanuel Boss

  • Methyl mercury distributions in relation to the presence of nano- and picophytoplankton in an oceanic water column (Ligurian Sea, North-western Mediterranean)

    Lars-Eric Heimbürger;Lars-Eric Heimbürger;Lars-Eric Heimbürger;Daniel Cossa;Jean-Claude Marty;Jean-Claude Marty;Christophe Migon;Christophe Migon

  • Light absorption properties and absorption budget of Southeast Pacific waters

    Annick Bricaud;Marcel Babin;Hervé Claustre;Joséphine Ras

  • Quenching correction for in vivo chlorophyll fluorescence acquired by autonomous platforms: A case study with instrumented elephant seals in the Kerguelen region (Southern Ocean)

    Xiaogang Xing;Hervé Claustre;Hervé Claustre;Stéphane Blain;Stéphane Blain;Fabrizio D'Ortenzio;Fabrizio D'Ortenzio

  • An Intercomparison of HPLC Phytoplankton Pigment Methods Using In Situ Samples. Application to Remote Sensing and Database Activities.

    Hervé Claustre;Stanford B Hooker;Laurie Van Heukelem;Jean-François Berthon

  • Effect of atmospheric nutrients on the autotrophic communities in a low nutrient, low chlorophyll system

    Sophie Bonnet;Cécile Guieu;Jacques Chiaverini;Joséphine Ras

  • Is the distribution of Prochlorococcus and Synechococcus ecotypes in the Mediterranean Sea affected by global warming

    D. Mella-Flores;D. Mella-Flores;S. Mazard;S. Mazard;F. Humily;F. Humily;F. Partensky;F. Partensky

  • A phytoplankton class-specific primary production model applied to the Kerguelen Islands region (Southern Ocean)

    Julia Uitz;Hervé Claustre;F. Brian Griffiths;F. Brian Griffiths;Joséphine Ras

  • High Abundances of Aerobic Anoxygenic Photosynthetic Bacteria in the South Pacific Ocean

    Raphaël Lami;Matthew T. Cottrell;Joséphine Ras;Osvaldo Ulloa

  • Eukaryotic picoplankton communities of the Mediterranean Sea in summer assessed by molecular approaches (DGGE, TTGE, QPCR)

    Dominique Marie;Fei Zhu;Vanessa Balagué;Joséphine Ras

  • Decomposition of in situ particulate absorption spectra

    Alison Chase;Emmanuel Boss;Ronald Zaneveld;Annick Bricaud

  • Bio-optical properties of high chlorophyll Case 1 waters and of yellow-substance-dominated Case 2 waters

    André Morel;Bernard Gentili;Malik Chami;Joséphine Ras

  • The characteristics of particulate absorption, scattering and attenuation coefficients in the surface ocean; Contribution of the Tara Oceans expedition

    Emmanuel Boss;Marc Picheral;Thomas Leeuw;Alison Chase

  • Validation of MERIS reflectance and chlorophyll during the BENCAL cruise October 2002: preliminary validation of new demonstration products for phytoplankton functional types and photosynthetic parameters

    J. Aiken;J. R. Fishwick;S. Lavender;R. Barlow

  • The Fourth SeaWiFS HPLC Analysis Round-Robin Experiment (SeaHARRE-4)

    Stanford B. Hooker;Laurie Van Heukelem;Crystal S. Thomas;Hervé Claustre

  • Availability of iron and major nutrients for phytoplankton in the northeast Atlantic Ocean

    Stèphane Blain;Cècile Guieu;Hervè Claustre;Karine Leblanc

  • Toward a taxon‐specific parameterization of bio‐optical models of primary production: A case study in the North Atlantic

    Hervé Claustre;Marcel Babin;Davy Merien;Joséphine Ras

  • Deep silicon maxima in the stratified oligotrophic Mediterranean Sea

    Y. Crombet;Karine Leblanc;Bernard Queguiner;T. Moutin

Frequent Co-Authors

Hervé Claustre
Hervé Claustre Université Paris Cité
Annick Bricaud
Annick Bricaud Sorbonne University
Emmanuel Boss
Emmanuel Boss University of Maine
Marc Picheral
Marc Picheral Université Paris Cité
Laurent Coppola
Laurent Coppola Sorbonne University
Gabriel Gorsky
Gabriel Gorsky Sorbonne University
Nicolas Metzl
Nicolas Metzl Sorbonne University
Jean-Pierre Gattuso
Jean-Pierre Gattuso Centre national de la recherche scientifique, CNRS
Julia Uitz
Julia Uitz Université Paris Cité
Bernard Quéguiner
Bernard Quéguiner Aix-Marseille University

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