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Environmental Sciences
France
2026

D-Index & Metrics

Best Scientists

D-Index
210
Citations
227556
World Ranking
194
National Ranking
4

Environmental Sciences

D-Index
225
Citations
248756
World Ranking
1
National Ranking
1

P. Ciais 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 P. Ciais 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: 1,815 publications — 100th percentile

100% of scientists in this discipline score the same or lower.

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

P. Ciais 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 P. Ciais 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: 225 D-Index — 100th percentile

100% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2026 - Research.com Environmental Sciences in France Leader Award
  • 2025 - Research.com Best Scientists Award
  • 2025 - Research.com Environmental Sciences in France Leader Award
  • 2023 - Research.com Environmental Sciences in France Leader Award

Overview

P. Ciais is affiliated with the French Alternative Energies and Atomic Energy Commission (CEA) in France. Their research primarily focuses on environmental science with a significant contribution to global and planetary change, atmospheric science, ecology, environmental engineering, and nature and landscape conservation. The scientist's work covers a range of interrelated subfields and main topics relevant to understanding Earth's environmental systems.

The main areas of study include:

  • Environmental Science
  • Global and Planetary Change
  • Atmospheric Science
  • Ecology
  • Environmental Engineering
  • Nature and Landscape Conservation

Their research topics focus on crucial environmental and atmospheric dynamics such as:

  • Atmospheric and Environmental Gas Dynamics
  • Plant Water Relations and Carbon Dynamics
  • Climate Variability and Models
  • Atmospheric Chemistry and Aerosols
  • Remote Sensing in Agriculture
  • Fire Effects on Ecosystems
  • Soil Carbon and Nitrogen Dynamics

P. Ciais has published extensively, contributing to scientific knowledge in various respected publication venues. Frequent venues include:

  • Nature Communications
  • Global Change Biology
  • Zenodo (CERN European Organization for Nuclear Research)
  • Earth System Science Data
  • Nature Climate Change

Recent publications attributed to or related with their work feature notable collaborative scientific efforts and include:

  • "The Global Methane Budget 2000-2017" (2020) in NOAA Institutional Repository
  • "Global Carbon Budget 2020" (2020) in Earth system science data
  • "A comprehensive quantification of global nitrous oxide sources and sinks" (2020) in Nature
  • "Global Carbon Budget 2022" (2022) in Earth system science data
  • "Global Carbon Budget 2021" (2022) in Earth system science data

P. Ciais frequently collaborates with a number of other researchers, the most frequent co-authors being:

  • Frédéric Chevallier
  • Josep Peñuelas
  • Jean-Pierre Wigneron
  • Stephen Sitch
  • Ana Bastos

Best Publications

  • A Large and Persistent Carbon Sink in the World’s Forests

    Yude Pan;Richard A. Birdsey;Jingyun Fang;Jingyun Fang;Richard Houghton

  • Global Carbon Budget 2016

    Corinne Le Quere;Robbie M. Andrew;Josep G. Canadell;Stephen Sitch

  • The impacts of climate change on water resources and agriculture in China

    Shilong Piao;Philippe Ciais;Yao Huang;Zehao Shen

  • Carbon and Other Biogeochemical Cycles

    P. Ciais;C. Sabine;G. Bala;L. Bopp

  • Terrestrial Gross Carbon Dioxide Uptake: Global Distribution and Covariation with Climate

    Christian Beer;Markus Reichstein;Enrico Tomelleri;Philippe Ciais

  • The global methane budget 2000–2017

    Marielle Saunois;Ann R. Stavert;Ben Poulter;Philippe Bousquet

  • Temperature increase reduces global yields of major crops in four independent estimates

    Chuang Zhao;Bing Liu;Shilong Piao;Xuhui Wang

  • Global Carbon Budget 2015

    C. Le Quéré;R. Moriarty;R. M. Andrew;J. G. Canadell

  • Contributions to accelerating atmospheric CO2 growth from economic activity, carbon intensity, and efficiency of natural sinks

    Josep G. Canadell;Corinne Le Quéré;Michael R. Raupach;Christopher B. Field

  • Global carbon budget 2014

    C. Le Quéré;R. Moriarty;R. M. Andrew;G. P. Peters

  • Global carbon budget 2013

    C. Le Quere;G.P. Peters;R.J. Andres;Robbie M Andrew

  • China and India lead in greening of the world through land-use management

    Chi Chen;Taejin Park;Xuhui Wang;Shilong Piao

  • Global carbon dioxide emissions from inland waters

    Peter A. Raymond;Jens Hartmann;Ronny Lauerwald;Ronny Lauerwald;Sebastian Sobek

  • A dynamic global vegetation model for studies of the coupled atmosphere-biosphere system

    G. Krinner;Nicolas Viovy;Nathalie de Noblet‐Ducoudré;Jérôme Ogée;Jérôme Ogée

  • Greening of the Earth and its drivers

    Zaichun Zhu;Zaichun Zhu;Shilong Piao;Shilong Piao;Ranga B. Myneni;Mengtian Huang

  • Trends in the sources and sinks of carbon dioxide

    Corinne Le Quéré;Corinne Le Quéré;Michael R. Raupach;Josep G. Canadell;Gregg Marland

  • Global Carbon Budget 2018

    Corinne Le Quéré;Robbie M. Andrew;Pierre Friedlingstein;Stephen Sitch

  • Three decades of global methane sources and sinks

    Stefanie Kirschke;Philippe Bousquet;Philippe Ciais;Marielle Saunois

  • Recent decline in the global land evapotranspiration trend due to limited moisture supply

    Martin Jung;Markus Reichstein;Philippe Ciais;Sonia I. Seneviratne

  • Global Carbon Budget 2020

    Pierre Friedlingstein;Pierre Friedlingstein;Michael O'Sullivan;Matthew W. Jones;Robbie M. Andrew

  • Old-growth forests as global carbon sinks.

    Sebastiaan Luyssaert;Ernst Detlef Schulze;Annett Börner;Alexander Knohl

  • Climate extremes and the carbon cycle

    Markus Reichstein;Michael Bahn;Philippe Ciais;Dorothea Frank

  • Global Carbon Budget 2019

    Pierre Friedlingstein;Pierre Friedlingstein;Matthew W. Jones;Michael O'Sullivan;Robbie Andrew

Frequent Co-Authors

F. Chevallier
F. Chevallier University of Paris-Saclay
Pierre Friedlingstein
Pierre Friedlingstein University of Exeter
Philippe Peylin
Philippe Peylin Centre national de la recherche scientifique, CNRS
Nicolas Viovy
Nicolas Viovy French Alternative Energies and Atomic Energy Commission (CEA)
Peter Rayner
Peter Rayner University of Melbourne
Stephen Sitch
Stephen Sitch University of Exeter
Martina Schmidt
Martina Schmidt Johannes Gutenberg University of Mainz
Markus Reichstein
Markus Reichstein Max Planck Institute for Biogeochemistry
Sebastiaan Luyssaert
Sebastiaan Luyssaert Vrije Universiteit Amsterdam
Fabienne Maignan
Fabienne Maignan French Alternative Energies and Atomic Energy Commission (CEA)

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