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Wolfgang Kalkreuth publication distribution in Earth Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Earth Science in 2026. The highlighted bar marks where Wolfgang Kalkreuth sits on this spectrum.

38–42 publications: 1 scientists 43–47 publications: 0 scientists 48–52 publications: 3 scientists 53–57 publications: 8 scientists 58–62 publications: 11 scientists 63–67 publications: 16 scientists 68–72 publications: 24 scientists 73–77 publications: 31 scientists 78–82 publications: 49 scientists 83–87 publications: 77 scientists 88–92 publications: 86 scientists 93–97 publications: 88 scientists 98–102 publications: 92 scientists 103–107 publications: 84 scientists 108–112 publications: 102 scientists 113–117 publications: 108 scientists 118–122 publications: 117 scientists 123–127 publications: 126 scientists 128–132 publications: 146 scientists 133–137 publications: 114 scientists 138–142 publications: 102 scientists 143–147 publications: 127 scientists 148–152 publications: 102 scientists 153–157 publications: 112 scientists 158–162 publications: 102 scientists 163–167 publications: 127 scientists 168–172 publications: 121 scientists 173–177 publications: 112 scientists 178–182 publications: 109 scientists 183–187 publications: 98 scientists 188–192 publications: 92 scientists 193–197 publications: 105 scientists 198–202 publications: 77 scientists 203–207 publications: 80 scientists 208–212 publications: 89 scientists 213–217 publications: 70 scientists 218–222 publications: 74 scientists 223–227 publications: 74 scientists 228–232 publications: 70 scientists 233–237 publications: 67 scientists 238–242 publications: 59 scientists 243–247 publications: 67 scientists 248–252 publications: 51 scientists 253–257 publications: 46 scientists 258–262 publications: 41 scientists 263–267 publications: 39 scientists 268–272 publications: 34 scientists 273–277 publications: 39 scientists 278–282 publications: 35 scientists 283–287 publications: 36 scientists 288–292 publications: 35 scientists 293–297 publications: 29 scientists 298–302 publications: 23 scientists 303–307 publications: 39 scientists 308–312 publications: 34 scientists 313–317 publications: 23 scientists 318–322 publications: 18 scientists 323–327 publications: 18 scientists 328–332 publications: 21 scientists 333–337 publications: 20 scientists 338–342 publications: 15 scientists 343–347 publications: 13 scientists 348–352 publications: 24 scientists 353–357 publications: 25 scientists 358–362 publications: 10 scientists 363–367 publications: 20 scientists 368–372 publications: 17 scientists 373–377 publications: 18 scientists 378–382 publications: 15 scientists 383–387 publications: 7 scientists 388–392 publications: 22 scientists 393–397 publications: 9 scientists 398–402 publications: 11 scientists 403–407 publications: 16 scientists 408–412 publications: 4 scientists 413–417 publications: 5 scientists 418–422 publications: 14 scientists 423–427 publications: 8 scientists 428–432 publications: 7 scientists 433–437 publications: 7 scientists 438–442 publications: 10 scientists 443–447 publications: 10 scientists 448–452 publications: 3 scientists 453–457 publications: 9 scientists 458–462 publications: 11 scientists 463–467 publications: 4 scientists 468–472 publications: 6 scientists 473–477 publications: 11 scientists 478–482 publications: 8 scientists 483–487 publications: 2 scientists 488–492 publications: 3 scientists 493–497 publications: 4 scientists 498–502 publications: 4 scientists 503–507 publications: 4 scientists 508–509 publications: 4 scientists 510+ publications: 100 scientists
38 publications 510+

The last bar groups every scientist with 510 publications or more.

Wolfgang Kalkreuth D-index placement in Earth Science in 2026

The chart shows the D-index (discipline H-index) distribution of Earth Science scientists ranked by Research.com in 2026. The highlighted bar marks where Wolfgang Kalkreuth sits on this spectrum.

30 D-Index: 15 scientists 31 D-Index: 42 scientists 32 D-Index: 60 scientists 33 D-Index: 90 scientists 34 D-Index: 103 scientists 35 D-Index: 108 scientists 36 D-Index: 142 scientists 37 D-Index: 147 scientists 38 D-Index: 147 scientists 39 D-Index: 152 scientists 40 D-Index: 143 scientists 41 D-Index: 157 scientists 42 D-Index: 141 scientists 43 D-Index: 151 scientists 44 D-Index: 140 scientists 45 D-Index: 135 scientists 46 D-Index: 121 scientists 47 D-Index: 108 scientists 48 D-Index: 128 scientists 49 D-Index: 111 scientists 50 D-Index: 106 scientists 51 D-Index: 112 scientists 52 D-Index: 102 scientists 53 D-Index: 103 scientists 54 D-Index: 94 scientists 55 D-Index: 61 scientists 56 D-Index: 101 scientists 57 D-Index: 71 scientists 58 D-Index: 65 scientists 59 D-Index: 78 scientists 60 D-Index: 93 scientists 61 D-Index: 56 scientists 62 D-Index: 58 scientists 63 D-Index: 52 scientists 64 D-Index: 63 scientists 65 D-Index: 49 scientists 66 D-Index: 53 scientists 67 D-Index: 57 scientists 68 D-Index: 50 scientists 69 D-Index: 44 scientists 70 D-Index: 44 scientists 71 D-Index: 31 scientists 72 D-Index: 33 scientists 73 D-Index: 33 scientists 74 D-Index: 23 scientists 75 D-Index: 32 scientists 76 D-Index: 24 scientists 77 D-Index: 17 scientists 78 D-Index: 19 scientists 79 D-Index: 9 scientists 80 D-Index: 21 scientists 81 D-Index: 20 scientists 82 D-Index: 17 scientists 83 D-Index: 19 scientists 84 D-Index: 19 scientists 85 D-Index: 14 scientists 86 D-Index: 6 scientists 87 D-Index: 14 scientists 88 D-Index: 17 scientists 89 D-Index: 10 scientists 90 D-Index: 8 scientists 91 D-Index: 8 scientists 92 D-Index: 9 scientists 93 D-Index: 6 scientists 94+ D-Index: 98 scientists
30 D-Index 94+

The last bar groups every scientist with 94 D-Index or more.

Overview

Wolfgang Kalkreuth is affiliated with the Federal University of Rio Grande do Sul in Brazil. Their research spans multiple fields, with a primary focus on engineering and earth and planetary sciences.

The scientist's work covers several subfields including mechanics of materials, global and planetary change, analytical chemistry, artificial intelligence, and geochemistry and petrology. Their research topics address areas such as hydrocarbon exploration and reservoir analysis, petroleum processing and analysis, atmospheric and environmental gas dynamics, geochemistry and geologic mapping, coal and its by-products, coal properties and utilization, and paleontology and stratigraphy of fossils.

Notable recent papers by Wolfgang Kalkreuth include:

  • The petrology of dispersed organic matter in sedimentary rocks: Review and update (2024), published in International Journal of Coal Geology
  • Thermal and depositional history of Early-Permian Rio Bonito Formation of southern Paraná Basin - Brazil (2020), published in International Journal of Coal Geology
  • Coal characterization and coalbed methane potential of the Chico-Lomã Coalfield, Paraná Basin, Brazil - Results from exploration borehole CBM001-CL-RS (2020), published in Energy Exploration & Exploitation
  • Geochemical characterization of the organic matter in the Devonian Pimenteiras Formation, Parnaiba Basin, Brazil - Implications for depositional environment and the potential of hydrocarbon generation (2021), published in Journal of Petroleum Science and Engineering
  • Effect of diabase intrusion on the CBM-bearing coalfields of southern Brazil: A review (2022), published in Journal of South American Earth Sciences

Frequent coauthors collaborating with Kalkreuth include:

  • Taís Freitas da Silva
  • Marcos Müller Bicca
  • Agostinho Mussa
  • Ana Maria Pimentel Mizusaki
  • Marleny Blanco González

Wolfgang Kalkreuth has published frequently in the following venues:

  • International Journal of Coal Geology
  • Energy Exploration & Exploitation
  • Journal of South American Earth Sciences
  • Journal of Petroleum Science and Engineering
  • Marine Micropaleontology

The scientist has contributed to book publications as well, including a work titled Estudos sistemáticos e atualizações em sensoriamento remoto released by Editora Conhecimento Livre eBooks in 2024.

Best Publications

  • High-pressure methane and carbon dioxide sorption on coal and shale samples from the Paraná Basin, Brazil

    Philipp Weniger;Wolfgang Kalkreuth;Andreas Busch;Bernhard M. Krooss

  • Application of infrared spectroscopy to the classification of kerogentypes and the evaluation of source rock and oil shale potentials

    Unknown

  • Sequence stratigraphy of paralic coal-bearing strata: an overview

    Michael Holz;Wolfgang Kalkreuth;Indranil Banerjee

  • The relationship between coal petrography and depositional environments from selected coal basins in Canada

    W.D. Kalkreuth;D.L. Marchioni;J.H. Calder;M.N. Lamberson

  • Lithotype (maceral) composition and variation as correlated with paleo-wetland environments, Gates Formation, northeastern British Columbia, Canada

    M.N. Lamberson;R.M. Bustin;W. Kalkreuth

  • Petrology and chemistry of Permian coals from the Paraná Basin: 1. Santa Terezinha, Leão-Butiá and Candiota Coalfields, Rio Grande do Sul, Brazil

    W. Kalkreuth;M. Holz;M. Kern;G. Machado

  • Chemical and petrographical characterization of feed coal, fly ash and bottom ash from the Figueira Power Plant, Paraná, Brazil

    Janaina Levandowski;Wolfgang D. Kalkreuth

  • Simple procedure for an estimation of the coal rank using micro-Raman spectroscopy

    Ruth Hinrichs;Matthew T. Brown;Marcos A.Z. Vasconcellos;Miroslav V. Abrashev;Miroslav V. Abrashev

  • The geology and coal petrology of a Miocene lignite profile at Meliadi Mine, katerini, Greece

    W. Kalkreuth;T. Kotis;C. Papanicolaou;P. Kokkinakis

  • Chemical characterization of feed coals and combustion-by-products from Brazilian power plants

    Fernanda S. Depoi;Dirce Pozebon;Wolfgang D. Kalkreuth

  • Coal facies interpretations based on lithotype and maceral variations in Lower Cretaceous (Gates Formation) coals of western Canada

    David Marchioni;Wolfgang Kalkreuth

  • Sedimentological and petrographical characteristics of Cretaceous strandplain coals: a model for coal accumulation from the North American Western Interior Seaway

    Wolfgang Kalkreuth;Dale A. Leckie

  • Characteristics of high heating rate biomass chars prepared under N2 and CO2 atmospheres

    Ángeles Gómez Borrego;L. Garavaglia;W. D. Kalkreuth

  • Rank and Petrographic Composition of Selected Jurassic - Lower Cretaceous Coals of British Columbia, Canada

    W. D. Kalkreuth

  • Petrologic and geochemical characteristics of Seam 9-3 and Seam 2, Xingtai Coalfield, Northern China

    Yuzhuang Sun;W Püttmann;W Kalkreuth;B Horsfield

  • DNA damage induced by coal dust, fly and bottom ash from coal combustion evaluated using the micronucleus test and comet assay in vitro

    Cristina Araujo Matzenbacher;Ana Letícia Hilario Garcia;Marcela Silva dos Santos;Caroline Cardoso Nicolau

  • Comparison of resinite-related aromatic biomarker distributions in Cretaceous-Tertiary coals from Canada and Germany

    H. Heppenheimer;K. Steffens;W. Püttman;W. Kalkreuth

  • Physicochemical transformations of coal particles during pyrolysis and combustion.

    M.J.G Alonso;A.G Borrego;D Alvarez;W Kalkreuth

  • IR classification of kerogen type, thermal maturation, hydrocarbon potential and lithological characteristics

    H.H. Ganz;W. Kalkreuth

  • Petrological and geochemical characterization of Candiota coal seams, Brazil — Implication for coal facies interpretations and coal rank

    M.B. Silva;W. Kalkreuth

  • Depositional setting, petrology and chemistry of Permian coals from the Paraná Basin: 2. South Santa Catarina Coalfield, Brazil

    W. Kalkreuth;M. Holz;A. Mexias;M. Balbinot

Frequent Co-Authors

Martin R. Gibling
Martin R. Gibling Dalhousie University
Bernhard M. Krooss
Bernhard M. Krooss RWTH Aachen University
Esteban Chornet
Esteban Chornet Enerkem (Canada)
Wilhelm Püttmann
Wilhelm Püttmann Goethe University Frankfurt
Robert B. Finkelman
Robert B. Finkelman The University of Texas at Dallas
Martin G. Fowler
Martin G. Fowler Applied Petroleum Technology (Norway)
Andreas Busch
Andreas Busch Heriot-Watt University
Dale A. Leckie
Dale A. Leckie University of Calgary
Ruediger Stein
Ruediger Stein University of Bremen
Isabel Suárez-Ruiz
Isabel Suárez-Ruiz Spanish National Research Council

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