World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
40
Citations
5965
World Ranking
8092
National Ranking
503

Klaus Gierens 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 Klaus Gierens 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: 282 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: 26 scientists 501–510 publications: 17 scientists 511–520 publications: 19 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 681–689 publications: 4 scientists 690+ publications: 100 scientists
41 publications 690+

This scientist: 117 publications — 22nd percentile

22% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 690 publications or more.

Klaus Gierens 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 Klaus Gierens 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: 198 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: 20 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: 9 scientists 126+ D-Index: 92 scientists
30 D-Index 126+

This scientist: 40 D-Index — 19th percentile

19% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 126 D-Index or more.

Overview

Klaus Gierens is affiliated with the German Aerospace Center in Germany. Their research predominantly focuses on environmental and earth sciences, with particular attention to atmospheric and planetary changes. The main fields of study include Environmental Science and Earth and Planetary Sciences, complemented by subfields such as Global and Planetary Change, Atmospheric Science, Aerospace Engineering, Applied Mathematics, and Automotive Engineering.

The scientist's work addresses topics related to advanced aircraft design and technologies, atmospheric chemistry and aerosols, and vehicle emissions and performance. Additional key research areas include meteorological phenomena and simulations, gas dynamics and kinetic theory, air traffic management and optimization, and the behavior of atmospheric aerosols and clouds.

Frequent publication venues for Klaus Gierens include Meteorologische Zeitschrift, Atmospheric Chemistry and Physics, Aerospace, Zenodo (CERN European Organization for Nuclear Research), and Applied Sciences. Their collaborations have involved several co-authors, notably Susanne Rohs, Sina Hofer, Lena Wilhelm, D. Sperber, and Kostas Eleftheratos.

Recent notable papers by Klaus Gierens are:

  • How Well Can Persistent Contrails Be Predicted?, 2020, Aerospace
  • Theory of Contrail Formation for Fuel Cells, 2021, Aerospace
  • Weather Variability Induced Uncertainty of Contrail Radiative Forcing, 2021, Aerospace
  • Meteorological Conditions That Promote Persistent Contrails, 2022, Applied Sciences
  • Can we successfully avoid persistent contrails by small altitude adjustments of flights in the real world?, 2023, Meteorologische Zeitschrift

Best Publications

  • Transport impacts on atmosphere and climate: Aviation

    D.S. Lee;G. Pitari;Volker Grewe;Klaus Martin Gierens

  • Ice supersaturation in the ECMWF integrated forecast system

    Adrian M. Tompkins;Klaus Gierens;Gaby Rädel

  • A distribution law for relative humidity in the upper troposphere and lower stratosphere derived from three years of MOZAIC measurements

    K. Gierens;U. Schumann;M. Helten;H. Smit

  • In situ observations of particles in jet aircraft exhausts and contrails for different sulfur-containing fuels

    U. Schumann;J. Ström;R. Busen;R. Baumann

  • Water vapour measurements inside cirrus clouds in Northern and Southern hemispheres during INCA

    Joëlle Ovarlez;Jean-François Gayet;Klaus Gierens;Johan Ström

  • A Diagnostic Study of the Global Distribution of Contrails. Part I: Present Day Climate

    Robert Sausen;Klaus Martin Gierens;Michael Ponater;Ulrich Schumann

  • Global distribution of contrail radiative forcing

    Patrick Minnis;Ulrich Schumann;David R. Doelling;Klaus M. Gierens

  • How Well Can Persistent Contrails Be Predicted

    Klaus Gierens;Sigrun Matthes;Susanne Rohs

  • On the transition between heterogeneous and homogeneous freezing

    K. Gierens

  • The Global Distribution of Ice-Supersaturated Regions as Seen by the Microwave Limb Sounder

    Peter Spichtinger;Klaus Gierens;William Read

  • A note on how to avoid contrail cirrus

    Hermann Mannstein;Peter Spichtinger;Klaus Gierens

  • Modelling of cirrus clouds – Part 1a: Model description and validation

    Peter Spichtinger;Klaus Gierens

  • Ice supersaturation in the tropopause region over Lindenberg, Germany

    Peter Spichtinger;Klaus Gierens;Ulrich Leiterer;Horst Dier

  • Mitigating the Climate Impact from Aviation: Achievements and Results of the DLR WeCare Project

    Volker Grewe;Katrin Dahlmann;Jan Flink;Christine Frömming

  • Ice‐supersaturated regions and subvisible cirrus in the northern midlatitude upper troposphere

    Klaus Gierens;Ulrich Schumann;Manfred Helten;Herman Smit

  • Effective Radius of Ice Particles in Cirrus and Contrails

    Ulrich Schumann;Bernhardt Mayer;Klaus Gierens;Simin Unterstrasser

  • On the distribution of relative humidity in cirrus clouds

    P. Spichtinger;K. Gierens;H. G. J. Smit;J. Ovarlez

  • A global climatology of upper-tropospheric ice supersaturation occurrence inferred from the Atmospheric Infrared Sounder calibrated by MOZAIC

    N. Lamquin;C. J. Stubenrauch;K. Gierens;U. Burkhardt

  • On the size distribution of ice-supersaturated regions in the upper troposphere and lowermost stratosphere

    K. Gierens;P. Spichtinger

  • Numerical simulations of contrail-to-cirrus transition – Part 1: An extensive parametric study

    Simon Unterstrasser;Klaus Gierens

Frequent Co-Authors

Ulrich Schumann
Ulrich Schumann German Aerospace Center
Volker Grewe
Volker Grewe German Aerospace Center
Robert Sausen
Robert Sausen German Aerospace Center
Bernd Kärcher
Bernd Kärcher German Aerospace Center
Herman G. J. Smit
Herman G. J. Smit Forschungszentrum Jülich
Michael Ponater
Michael Ponater German Aerospace Center
Andreas Petzold
Andreas Petzold Forschungszentrum Jülich
Johannes Hendricks
Johannes Hendricks German Aerospace Center
Christos Zerefos
Christos Zerefos Academy of Athens
Patrick Jöckel
Patrick Jöckel German Aerospace Center

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