World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
57
Citations
15598
World Ranking
3381
National Ranking
229

Claudia Kammann 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 Claudia Kammann 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: 142 publications — 37th percentile

37% of scientists in this discipline score the same or lower.

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

Claudia Kammann 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 Claudia Kammann 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: 57 D-Index — 65th percentile

65% of scientists in this discipline score the same or lower.

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

Overview

Claudia Kammann is affiliated with Hochschule Geisenheim University in Germany, contributing extensively to environmental science with a focus on soil science, global and planetary change, and environmental engineering.

Their research primarily covers key topics such as soil carbon and nitrogen dynamics, atmospheric and environmental gas dynamics, clay minerals and soil interactions, CO2 sequestration and geologic interactions, atmospheric chemistry and aerosols, thermochemical biomass conversion processes, and phosphorus and nutrient management.

Frequent coauthors in Claudia Kammann's work include Hans-Peter Schmidt, Nikolas Hagemann, Annette Cowie, Constanze Werner, and Wolfgang Lucht.

Common publication venues for their research are Scientific Reports, GCB Bioenergy, Sustainability, Atmospheric Research, and Zenodo (CERN European Organization for Nuclear Research).

Some notable recent papers include:

  • "Feedstock choice, pyrolysis temperature and type influence biochar characteristics: a comprehensive meta-data analysis review" (2020, Biochar)
  • "Biochar in climate change mitigation" (2021, Nature Geoscience)
  • "Biochar in agriculture - A systematic review of 26 global meta-analyses" (2021, GCB Bioenergy)
  • "Enhancing plant N uptake with biochar-based fertilizers: limitation of sorption and prospects" (2022, Plant and Soil)
  • "Biochar alleviated the toxic effects of PVC microplastic in a soil-plant system by upregulating soil enzyme activities and microbial abundance" (2023, Environmental Pollution)

Kammann's scientific output is situated predominantly within the field of environmental science, as evidenced by 24 related publications, with significant contributions to soil science through 10 publications and global and planetary change also represented by 10 publications. Additional work includes industrial and manufacturing engineering and biomaterials.

Best Publications

  • Hydrothermal carbonization of biomass residuals: a comparative review of the chemistry, processes and applications of wet and dry pyrolysis

    Judy A Libra;Kyoung S Ro;Claudia Kammann;Axel Funke

  • A Review of Biochar and Soil Nitrogen Dynamics

    Tim J. Clough;Leo M. Condron;Claudia Kammann;Christoph Müller

  • Feedstock choice, pyrolysis temperature and type influence biochar characteristics: a comprehensive meta-data analysis review

    James A. Ippolito;Liqiang Cui;Claudia Kammann;Nicole Wrage-Mönnig

  • Organic coating on biochar explains its nutrient retention and stimulation of soil fertility

    Nikolas Hagemann;Stephen Joseph;Stephen Joseph;Stephen Joseph;Hans Peter Schmidt;Claudia I. Kammann

  • Plant growth improvement mediated by nitrate capture in co-composted biochar

    Claudia I. Kammann;Hans-Peter Schmidt;Nicole Messerschmidt;Sebastian Linsel

  • Biochar, soil and land-use interactions that reduce nitrate leaching and N2O emissions: A meta-analysis.

    Nils Borchard;Michael Schirrmann;Maria Luz Cayuela;Claudia Kammann

  • Influence of biochar on drought tolerance of Chenopodium quinoa Willd and on soil–plant relations

    Claudia Irene Kammann;Claudia Irene Kammann;Sebastian Linsel;Johannes W. Gößling;Hans-Werner Koyro

  • European Biochar Certificate - Guidelines for a sustainable production of Biochar

    Hans Peter Schmidt;Thomas Bucheli;Claudia Kammann;Bruno Glaser

  • Biochar in agriculture – A systematic review of 26 global meta-analyses

    Hans-Peter Schmidt;Claudia Kammann;Nikolas Hagemann;Jens Leifeld

  • Biochar and hydrochar effects on greenhouse gas (carbon dioxide, nitrous oxide, and methane) fluxes from soils.

    Claudia Kammann;Stefan Ratering;Christian Eckhard;Christoph Müller

  • Biochar effects on methane emissions from soils: A meta-analysis

    Simon Jeffery;Frank G.A. Verheijen;Claudia Kammann;Diego Abalos

  • Biochar and biochar-compost as soil amendments to a vineyard soil: Influences on plant growth, nutrient uptake, plant health and grape quality

    Hans-Peter Schmidt;Claudia Kammann;Claudio Niggli;Michael W.H. Evangelou

  • Biochar reduced nitrate leaching and improved soil moisture content without yield improvements in a four-year field study

    Ghulam Haider;Diedrich Steffens;Gerald Moser;Christoph Müller;Christoph Müller

  • Land-Management Options for Greenhouse Gas Removal and Their Impacts on Ecosystem Services and the Sustainable Development Goals

    Pete Smith;Justin Adams;David J. Beerling;Tim Beringer

  • Microstructural and associated chemical changes during the composting of a high temperature biochar: Mechanisms for nitrate, phosphate and other nutrient retention and release.

    Stephen Joseph;Stephen Joseph;Claudia I. Kammann;Jessica G. Shepherd;Pellegrino Conte

  • Processes leading to N2O emissions in grassland soil during freezing and thawing

    Christoph Müller;M Martin;R.J Stevens;R.J Laughlin

  • Evidence for methane production by saprotrophic fungi

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

  • Biochar but not humic acid product amendment affected maize yields via improving plant-soil moisture relations

    Ghulam Haider;Hans-Werner Koyro;Farooqe Azam;Diedrich Steffens

  • Biochar as a tool to reduce the agricultural greenhouse-gas burden – knowns, unknowns and future research needs

    Claudia Kammann;Jim Ippolito;Nikolas Hagemann;Nils Borchard

  • Biochar, hydrochar and uncarbonized feedstock application to permanent grassland—Effects on greenhouse gas emissions and plant growth

    Sonja Schimmelpfennig;Christoph Müller;Christoph Müller;Ludger Grünhage;Christian Koch

  • Biochar for Climate Change Mitigation : Navigating from Science to Evidence-Based Policy

    Dominic Woolf;Johannes Lehmann;Annette Cowie;Maria Luz Cayuela

Frequent Co-Authors

Christoph Müller
Christoph Müller Potsdam Institute for Climate Impact Research
Kurt A. Spokas
Kurt A. Spokas United States Department of Agriculture
Stephen Joseph
Stephen Joseph University of Nottingham
Jeffrey M. Novak
Jeffrey M. Novak United States Department of Agriculture
James A. Ippolito
James A. Ippolito The Ohio State University
Hans-Werner Koyro
Hans-Werner Koyro University of Giessen
Tim J. Clough
Tim J. Clough Lincoln University
Sven Marhan
Sven Marhan University of Hohenheim
Maria Luz Cayuela
Maria Luz Cayuela Spanish National Research Council
Bruno Glaser
Bruno Glaser Martin Luther University Halle-Wittenberg

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Related Online Degrees & Career Pathways

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