World's Best Scientists 2026 revealed!
Ingrid Obernosterer

Ingrid Obernosterer

D-Index & Metrics

Environmental Sciences

D-Index
48
Citations
7530
World Ranking
5600
National Ranking
245

Ingrid Obernosterer 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 Ingrid Obernosterer 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: 102 publications — 14th percentile

14% of scientists in this discipline score the same or lower.

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

Ingrid Obernosterer 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 Ingrid Obernosterer 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: 48 D-Index — 44th percentile

44% of scientists in this discipline score the same or lower.

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

Overview

Ingrid Obernosterer is affiliated with Université Paris Cité in France. Their research activity predominantly spans Earth and Planetary Sciences as well as Environmental Science, with a notable focus on the study of oceanic and environmental systems.

Their scientific work primarily addresses subfields such as Oceanography, Ecology, Molecular Biology, Environmental Chemistry, and Atmospheric Science. Main research topics encompass Microbial Community Ecology and Physiology, Marine and Coastal Ecosystems, Marine Biology and Ecology Research, Genomics and Phylogenetic Studies, Methane Hydrates and Related Phenomena, Protist Diversity and Phylogeny, and Geochemistry and Elemental Analysis.

Ingrid Obernosterer has contributed to several recent papers, reflecting their engagement with microbial ecology and marine environments. These include:

  • Seasonal dynamics of prokaryotes and their associations with diatoms in the Southern Ocean as revealed by an autonomous sampler (2020), published in Environmental Microbiology
  • Microbial iron and carbon metabolism as revealed by taxonomy-specific functional diversity in the Southern Ocean (2021), published in The ISME Journal
  • Seasonal microbial food web dynamics in contrasting Southern Ocean productivity regimes (2020), published in Limnology and Oceanography
  • Microbial Competition in the Subpolar Southern Ocean: An Fe-C Co-limitation Experiment (2020), published in Frontiers in Marine Science
  • Prokaryotic diversity and activity in contrasting productivity regimes in late summer in the Kerguelen region (Southern Ocean) (2021), published in Journal of Marine Systems

The frequent co-authors collaborating with Obernosterer include Stéphane Blain, Olivier Crispi, Philippe Catala, Pavla Debeljak, and Barbara Marie. Their collaborative work spans investigations into microbial ecology and oceanographic processes.

Their research is disseminated across various publication venues with notable recurrence in Environmental Microbiology, Limnology and Oceanography, bioRxiv (Cold Spring Harbor Laboratory), Atmospheric Chemistry and Physics, and Biogeosciences.

Best Publications

  • Effect of natural iron fertilization on carbon sequestration in the Southern Ocean

    Stéphane Blain;Bernard Quéguiner;Leanne Armand;Sauveur Belviso

  • Competition between biological and photochemical processes in the mineralization of dissolved organic carbon

    Ingrid Obernosterer;Ronald Benner

  • Phytoplankton extracellular release and bacterial growth: dependence on the inorganic N: P ratio

    Ingrid Obernosterer;Gerhard J. Herndl

  • Deciphering ocean carbon in a changing world

    Mary Ann Moran;Elizabeth B. Kujawinski;Aron Stubbins;Rob Fatland

  • Major differences of bacterial diversity and activity inside and outside of a natural iron-fertilized phytoplankton bloom in the Southern Ocean.

    Nyree J. West;Nyree J. West;Ingrid Obernosterer;Ingrid Obernosterer;Olivier Zemb;Olivier Zemb;Philippe Lebaron;Philippe Lebaron

  • Contrasting effects of solar radiation on dissolved organic matter and its bioavailability to marine bacterioplankton

    Ingrid Obernosterer;Bettina Reitner;Gerhard J. Herndl

  • A survey on bacteria inhabiting the sea surface microlayer of coastal ecosystems.

    Hélène Agogué;Emilio O. Casamayor;Emilio O. Casamayor;Muriel Bourrain;Ingrid Obernosterer

  • Resistance of marine bacterioneuston to solar radiation.

    Hélène Agogué;Fabien Joux;Ingrid Obernosterer;Philippe Lebaron

  • The fate of biogenic iron during a phytoplankton bloom induced by natural fertilisation: Impact of copepod grazing

    Géraldine Sarthou;Dorothée Vincent;Urania Christaki;Ingrid Obernosterer;Ingrid Obernosterer

  • Shifts in bacterial community composition associated with increased carbon cycling in a mosaic of phytoplankton blooms.

    Marine Landa;Stéphane Blain;Urania Christaki;Sébastien Monchy

  • Inhibitory effect of solar radiation on thymidine and leucine incorporation by freshwater and marine bacterioplankton.

    Ruben Sommaruga;Ingrid Obernosterer;Gerhard J. Herndl;Roland Psenner

  • Phylogenetic and structural response of heterotrophic bacteria to dissolved organic matter of different chemical composition in a continuous culture study

    M. Landa;M. T. Cottrell;D. L. Kirchman;K. Kaiser

  • Comparison of samplers for the biological characterization of the sea surface microlayer

    Hélène Agogué;Emilio O. Casamayor;Fabien Joux;Ingrid Obernosterer

  • Differences in the optical and biological reactivity of the humic and nonhumic dissolved organic carbon component in two contrasting coastal marine environments

    Ingrid Obernosterer;Gerhard J. Herndl

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

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

  • Photolysis of dimethylsulfide in the northern Adriatic Sea: Dependence on substrate concentration, irradiance and DOC concentration

    Albert Brugger;Doris Slezak;Ingrid Obernosterer;Gerhard J Herndl

  • Seasonal dynamics of active SAR11 ecotypes in the oligotrophic Northwest Mediterranean Sea.

    Ian Salter;Pierre E Galand;Sonja K Fagervold;Philippe Lebaron

  • Rapid bacterial mineralization of organic carbon produced during a phytoplankton bloom induced by natural iron fertilization in the Southern Ocean

    Ingrid Obernosterer;Urania Christaki;Dominique Lefèvre;Philippe Catala

  • Microbial community structure in the sea surface microlayer at two contrasting coastal sites in the northwestern Mediterranean Sea

    Fabien Joux;Hélène Agogué;Ingrid Obernosterer;Christine Dupuy

  • Spatial and diurnal dynamics of dissolved organic matter (DOM) fluorescence and H2O2 and the photochemical oxygen demand of surface water DOM across the subtropical Atlantic Ocean

    Ingrid Obernosterer;Piet Ruardij;Gerhard J. Herndl

Frequent Co-Authors

Stéphane Blain
Stéphane Blain Université Paris Cité
Philippe Lebaron
Philippe Lebaron Laboratoire de Biodiversité et Biotechnologies Microbiennes
Gerhard J. Herndl
Gerhard J. Herndl University of Vienna
Urania Christaki
Urania Christaki University of Lille
Cécile Guieu
Cécile Guieu Université Paris Cité
Thomas W. Trull
Thomas W. Trull Commonwealth Scientific and Industrial Research Organisation
Andrew R. Bowie
Andrew R. Bowie University of Tasmania
Géraldine Sarthou
Géraldine Sarthou French Research Institute for Exploitation of the Sea
Philip W. Boyd
Philip W. Boyd University of Tasmania
Emilio O. Casamayor
Emilio O. Casamayor Spanish National Research Council

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