World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
44
Citations
8914
World Ranking
6666
National Ranking
434

Frank Keppler 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 Frank Keppler 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: 189 publications — 60th percentile

60% of scientists in this discipline score the same or lower.

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

Frank Keppler 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 Frank Keppler 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: 44 D-Index — 32nd percentile

32% of scientists in this discipline score the same or lower.

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

Overview

Frank Keppler is affiliated with Heidelberg University in Germany and has contributed extensively to research in environmental science and earth and planetary sciences. Their work spans key subfields such as global and planetary change, atmospheric science, environmental chemistry, ecology, and oceanography.

The research primarily focuses on topics including atmospheric and environmental gas dynamics, geology and paleoclimatology research, methane hydrates and related phenomena, tree-ring climate responses, plant water relations and carbon dynamics, marine and coastal ecosystems, and hydrocarbon exploration and reservoir analysis.

Keppler has published several papers in well-regarded scientific journals. Notable examples include:

  • "Aquatic and terrestrial cyanobacteria produce methane," 2020, Science Advances
  • "Methane formation driven by reactive oxygen species across all living organisms," 2022, Nature
  • "High Spatiotemporal Dynamics of Methane Production and Emission in Oxic Surface Water," 2020, Environmental Science & Technology
  • "Potential role of submerged macrophytes for oxic methane production in aquatic ecosystems," 2022, Limnology and Oceanography
  • "Effects of Temperature and Light on Methane Production of Widespread Marine Phytoplankton," 2020, Journal of Geophysical Research Biogeosciences

Keppler frequently collaborates with other researchers in the field. Regular co-authors include Markus Greule, Moritz Schroll, Anna Wieland, Thomas Klintzsch, and Katharina Lenhart, reflecting ongoing partnerships that contribute to a broad spectrum of research outputs.

The scientist often publishes in venues such as bioRxiv (Cold Spring Harbor Laboratory), Quaternary Science Reviews, The Science of The Total Environment, SSRN Electronic Journal, and Nature. This demonstrates engagement with both preprint platforms and peer-reviewed journals spanning diverse aspects of geosciences and environmental studies.

Best Publications

  • Methane emissions from terrestrial plants under aerobic conditions

    Frank Keppler;John T. G. Hamilton;Marc Braß;Thomas Röckmann

  • Halocarbons produced by natural oxidation processes during degradation of organic matter

    F. Keppler;R. Eiden;V. Niedan;J. Pracht

  • Aquatic and terrestrial cyanobacteria produce methane.

    M. Bižić;T. Klintzsch;D. Ionescu;M. Y. Hindiyeh

  • Transitory microbial habitat in the hyperarid Atacama Desert

    Dirk Schulze-Makuch;Dirk Schulze-Makuch;Dirk Wagner;Samuel P Kounaves;Samuel P Kounaves;Kai Mangelsdorf

  • Chloride Methylation by Plant Pectin: An Efficient Environmentally Significant Process

    John T. G. Hamilton;W. Colin McRoberts;Frank Keppler;Robert M. Kalin

  • Effect of UV radiation and temperature on the emission of methane from plant biomass and structural components

    I. Vigano;H. van Weelden;R. Holzinger;F. Keppler

  • Methane formation driven by reactive oxygen species across all living organisms

    Unknown

  • Evidence for methane production by saprotrophic fungi

    Katharina Lenhart;Michael Bunge;Stefan Ratering;Thomas R. Neu

  • Methoxyl groups of plant pectin as a precursor of atmospheric methane: evidence from deuterium labelling studies.

    Frank Keppler;John T. G. Hamilton;W. Colin McRoberts;Ivan Vigano

  • Halogen Retention, Organohalogens, and the Role of Organic Matter Decomposition on Halogen Enrichment in Two Chilean Peat Bogs

    H. Biester;F. Keppler;A. Putschew;‖ and A. Martinez-Cortizas

  • New insight into the atmospheric chloromethane budget gained using stable carbon isotope ratios

    F. Keppler;F. Keppler;D. B. Harper;T. Röckmann;T. Röckmann;R. M. Moore

  • Carbon isotope anomaly in the major plant C-1 pool and its global biogeochemical implications

    F. Keppler;R. M. Kalin;D. B. Harper;W. C. McRoberts;W. C. McRoberts

  • Atmospheric constraints on global emissions of methane from plants

    S. Houweling;T. Röckmann;I. Aben;F. Keppler

  • Exogenous addition of H2 for an in situ biogas upgrading through biological reduction of carbon dioxide into methane

    Daniel Girma Mulat;Freya Mosbæk;Alastair James Ward;Daniela Polag

  • Evidence for methane production by the marine algae Emiliania huxleyi

    Katharina Lenhart;Katharina Lenhart;Thomas Klintzsch;Gerald Langer;Gernot Nehrke

  • New insight into the atmospheric chloromethane budget gained using gained using

    F. Keppler;D. B. Harper;T. Röckmann;R. M. Moore

  • Abiotic methanogenesis from organosulphur compounds under ambient conditions

    Frederik Althoff;Kathrin Benzing;Peter Comba;Colin McRoberts

  • Methane formation in aerobic environments

    Frank Keppler;Mihaly Boros;Christian Frankenberg;Jos Lelieveld

  • Abiotic Fe(III) induced mineralization of phenolic substances

    J Pracht;J Boenigk;M Isenbeck-Schröter;F Keppler

  • Nitrous oxide and methane emissions from cryptogamic covers.

    Katharina Lenhart;Katharina Lenhart;Katharina Lenhart;Bettina Weber;Wolfgang Elbert;Jörg Steinkamp

  • Natural formation of vinyl chloride in the terrestrial environment

    Frank Keppler;Reinhard Borchers;Jens Pracht;Stefan Rheinberger

Frequent Co-Authors

Thomas Röckmann
Thomas Röckmann Utrecht University
Hans-Peter Grossart
Hans-Peter Grossart University of Potsdam
Jan Esper
Jan Esper Johannes Gutenberg University of Mainz
Rupert Holzinger
Rupert Holzinger Utrecht University
Robert M. Kalin
Robert M. Kalin University of Strathclyde
Willi A. Brand
Willi A. Brand Max Planck Institute for Biogeochemistry
Ulrich Pöschl
Ulrich Pöschl Max Planck Institute for Chemistry
Jos Lelieveld
Jos Lelieveld Max Planck Institute for Chemistry
Armin Mosandl
Armin Mosandl Goethe University Frankfurt
Harald Biester
Harald Biester Technische Universität Braunschweig

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