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Claus J. Nielsen

Claus J. Nielsen

University of Oslo
Norway

D-Index & Metrics

Chemistry

D-Index
54
Citations
16151
World Ranking
12446
National Ranking
33

Claus J. Nielsen publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Claus J. Nielsen sits on this spectrum.

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 597 publications — 93rd percentile

93% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

Claus J. Nielsen D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Claus J. Nielsen sits on this spectrum.

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 54 D-Index — 31st percentile

31% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Overview

Claus J. Nielsen is affiliated with the University of Oslo in Norway and conducts research primarily within Earth and Planetary Sciences. Their scholarly contributions focus on Atmospheric Science, with additional work in Spectroscopy, Mechanical Engineering, Materials Chemistry, and Global and Planetary Change.

The main topics addressed in Nielsen's research include:

  • Atmospheric chemistry and aerosols
  • Atmospheric Ozone and Climate
  • Spectroscopy and Laser Applications
  • Catalytic Processes in Materials Science
  • Atmospheric and Environmental Gas Dynamics
  • Carbon Dioxide Capture Technologies
  • Refrigeration and Air Conditioning Technologies

Their research output is published in various scientific venues, most frequently appearing in:

  • The Journal of Physical Chemistry A
  • Reviews of Geophysics
  • International Journal of Greenhouse Gas Control
  • Atmospheric Chemistry and Physics
  • ACS Earth and Space Chemistry

Among recent publications, notable papers include:

  • Updated Global Warming Potentials and Radiative Efficiencies of Halocarbons and Other Weak Atmospheric Absorbers (2020, Reviews of Geophysics)
  • Performance of an amine-based CO2 capture pilot plant at the Fortum Oslo Varme Waste to Energy plant in Oslo, Norway (2021, International Journal of Greenhouse Gas Control)
  • Measurement report: Emission factors of NH 3 and NH x for wildfires and agricultural fires in the United States (2023, Atmospheric Chemistry and Physics)
  • Experimental and Theoretical Study of the OH-Initiated Degradation of Piperazine under Simulated Atmospheric Conditions (2020, The Journal of Physical Chemistry A)
  • Atmospheric Chemistry of N-Methylmethanimine (CH3NCH2): A Theoretical and Experimental Study (2022, The Journal of Physical Chemistry A)

Nielsen frequently coauthors research with several scientists, including:

  • Tomáš Mikoviny
  • Armin Wisthaler
  • Liang Zhu
  • Simen Antonsen
  • Yngve Stenstrøm

Best Publications

  • Organic aerosol and global climate modelling: a review

    M. Kanakidou;J. H. Seinfeld;S. N. Pandis;I. Barnes

  • Global warming potentials and radiative efficiencies of halocarbons and related compounds: a comprehensive review

    Ø. Hodnebrog;M. Etminan;J. S. Fuglestvedt;G. Marston

  • The 2015 edition of the GEISA spectroscopic database

    N. Jacquinet-Husson;Raymond Armante;N.A. Scott;A. Chédin

  • Atmospheric chemistry and environmental impact of the use of amines in carbon capture and storage (CCS)

    Claus J. Nielsen;Hartmut Herrmann;Christian Weller

  • Molecular structure and internal motion of formamide from microwave spectrum

    Eizi Hirota;Ryoka Sugisaki;Claus Jørgen Nielsen;Georg Ole Sørensen

  • Synthesis of Triazenopyrazole Derivativesas Potential Inhibitors of HIV-1

    Janus S. Larsen;Magdy A. Zahran;Erik B. Pedersen;Claus Nielsen

  • Spectroscopic Study of Aqueous H2SO4 at Different Temperatures and Compositions: Variations in Dissociation and Optical Properties

    Cathrine E. Lund Myhre;Daniel H. Christensen;Flemming M. Nicolaisen;Claus J. Nielsen

  • ON THE COORDINATION AROUND MERCURY(II), CADMIUM(II) AND ZINC(II) IN DIMETHYL SULFOXIDE AND AQUEOUS SOLUTIONS. AN X-RAY DIFFRACTION, RAMAN AND INFRARED INVESTIGATION

    Magnus Sandström;Ingmar Persson;Sten Ahrland;J. C. Sekutowski

  • Updated global warming potentials and radiative efficiencies of halocarbons and other weak atmospheric absorbers

    Øivind Hodnebrog;Borgar Aamaas;Jan S. Fuglestvedt;G. Marston

  • Correlation between carbohydrate structures on the envelope glycoprotein gp120 of HIV-1 and HIV-2 and syncytium inhibition with lectins.

    Hansen Je;Nielsen Cm;Nielsen C;Heegaard P

  • Spectra and structure of silicon‐containing compounds. XXXVI—Raman and infrared spectra, conformational stability, ab initio calculations and vibrational assignment of ethyldibromosilane

    Gamil A. Guirgis;Peter Klaboe;Shiyu Shen;David L. Powell

  • Kinetic study of gas‐phase reactions of pinonaldehyde and structurally related compounds

    M. Glasius;A. Calogirou;N. R. Jensen;J. Hjorth

  • Optical properties in the UV and visible spectral region of organic acids relevant to tropospheric aerosols

    C. E. Lund Myhre;C. J. Nielsen

  • The Preparation, Separation, and Characterization of the lel3- and ob3-Isomers of Tris(trans-1,2-cyclohexanediamine)iridium(III) Complexes.

    F. Galsbøl;C. J. Nielsen;R. Suchi;O. Vikane

  • Atmospheric Chemistry of (CF3)2CF–C≡N: A Replacement Compound for the Most Potent Industrial Greenhouse Gas, SF6

    Mads P. Sulbaek Andersen;Mads P. Sulbaek Andersen;Mildrid Kyte;Simone Thirstrup Andersen;Claus J. Nielsen

  • Kinetic study of OH and NO3 radical reactions with 14 aliphatic aldehydes

    Barbara D'Anna;Øyvind Andresen;Ziv Gefen;Claus J. Nielsen

  • Atmospheric degradation and global warming potentials of three perfluoroalkenes

    G. Acerboni;J.A. Beukes;N.R. Jensen;J. Hjorth

  • Experimental and theoretical studies of gas phase NO3 and OH radical reactions with formaldehyde, acetaldehyde and their isotopomers

    Barbara D'Anna;Vebjørn Bakken;Jon Are Beukes;Claus J. Nielsen

  • Deuteration of Crystalline Hydroxides. Hydrogen Bonds of gamma-AlOO(H,D) and gamma-FeOO(H,D).

    A. Nørlund Christensen;M. S. Lehmann;P. Convert;Lothar Beyer

  • Atmospheric Chemistry of Hydrofluoroethers: Reaction of a Series of Hydrofluoroethers with OH Radicals and Cl Atoms, Atmospheric Lifetimes, and Global Warming Potentials

    Nathan Oyaro;Stig R Sellevåg;Claus J Nielsen

  • Density and Surface Tension of Aqueous H2SO4 at Low Temperature

    Cathrine E. L. Myhre;Claus J. Nielsen;Ole W. Saastad

Frequent Co-Authors

Erik B. Pedersen
Erik B. Pedersen University of Southern Denmark
Armin Wisthaler
Armin Wisthaler University of Oslo
Barbara D'Anna
Barbara D'Anna Aix-Marseille University
James E. Boggs
James E. Boggs The University of Texas at Austin
Mika Salminen
Mika Salminen Finnish Institute for Health and Welfare
Jan Gerstoft
Jan Gerstoft Rigshospitalet
Tomas Mikoviny
Tomas Mikoviny University of Oslo
J. R. Durig
J. R. Durig University of Missouri–Kansas City
Anne-Mieke Vandamme
Anne-Mieke Vandamme Rega Institute for Medical Research
Claudia Balotta
Claudia Balotta University of Milan

External Links

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