Claus J. Nielsen

14.4k total citations · 1 hit paper
465 papers, 8.1k citations indexed

About

Claus J. Nielsen is a scholar working on Spectroscopy, Organic Chemistry and Atmospheric Science. According to data from OpenAlex, Claus J. Nielsen has authored 465 papers receiving a total of 8.1k indexed citations (citations by other indexed papers that have themselves been cited), including 181 papers in Spectroscopy, 149 papers in Organic Chemistry and 99 papers in Atmospheric Science. Recurrent topics in Claus J. Nielsen's work include Molecular Spectroscopy and Structure (98 papers), Atmospheric chemistry and aerosols (78 papers) and Atmospheric Ozone and Climate (77 papers). Claus J. Nielsen is often cited by papers focused on Molecular Spectroscopy and Structure (98 papers), Atmospheric chemistry and aerosols (78 papers) and Atmospheric Ozone and Climate (77 papers). Claus J. Nielsen collaborates with scholars based in Norway, United States and Denmark. Claus J. Nielsen's co-authors include P. Klæboe, Grete Gundersen, Liv Fernholt, S. J. Cyvín, Bjørg N. Cyvin, A. Loewenschuss, Otto Bastiansen, A. Givan, Cathrine Lund Myhre and Stig R. Sellevåg and has published in prestigious journals such as Chemical Society Reviews, Environmental Science & Technology and The Journal of Physical Chemistry B.

In The Last Decade

Claus J. Nielsen

451 papers receiving 7.8k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

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

2013 405 citations Øivind Hodnebrog, Jan S. Fuglestvedt et al. Reviews of Geophysics profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Claus J. Nielsen Norway	42	2.5k	2.1k	1.9k	1.7k	1.5k	465	8.1k
David M. Golden United States	48	3.8k 1.5×	1.9k 0.9×	3.1k 1.6×	2.9k 1.7×	2.4k 1.5×	224	11.2k
Thanh N. Truong United States	51	2.4k 1.0×	1.4k 0.7×	5.0k 2.7×	1.7k 1.0×	2.6k 1.7×	182	9.3k
John M. Dyke United Kingdom	39	1.7k 0.7×	2.0k 1.0×	3.8k 2.0×	731 0.4×	1.5k 1.0×	287	6.3k
Koichi Ohno Japan	47	719 0.3×	2.5k 1.2×	4.5k 2.4×	1.6k 0.9×	2.0k 1.3×	324	8.7k
G. Barney Ellison United States	49	2.2k 0.9×	2.3k 1.1×	4.9k 2.6×	2.4k 1.4×	1.6k 1.0×	146	9.0k
Josep M. Anglada Spain	45	2.6k 1.0×	1.1k 0.5×	1.8k 0.9×	1.1k 0.6×	1.1k 0.7×	142	5.4k
Sidney W. Benson United States	51	2.8k 1.1×	2.1k 1.0×	4.1k 2.2×	5.0k 2.9×	3.2k 2.1×	341	13.6k
Henrik G. Kjaergaard Denmark	58	6.9k 2.7×	4.8k 2.3×	4.1k 2.2×	2.0k 1.2×	2.0k 1.3×	255	14.2k
Branko Ruščić United States	43	2.4k 1.0×	1.7k 0.8×	4.0k 2.1×	2.1k 1.2×	2.7k 1.7×	113	9.0k
John C. Hemminger United States	56	1.3k 0.5×	894 0.4×	3.4k 1.8×	681 0.4×	4.3k 2.8×	203	10.2k

Countries citing papers authored by Claus J. Nielsen

Since Specialization

Citations

This map shows the geographic impact of Claus J. Nielsen's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Claus J. Nielsen with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Claus J. Nielsen more than expected).

Fields of papers citing papers by Claus J. Nielsen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Claus J. Nielsen. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Claus J. Nielsen. The network helps show where Claus J. Nielsen may publish in the future.

Co-authorship network of co-authors of Claus J. Nielsen

This figure shows the co-authorship network connecting the top 25 collaborators of Claus J. Nielsen. A scholar is included among the top collaborators of Claus J. Nielsen based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Claus J. Nielsen. Claus J. Nielsen is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Tomsche, Laura, Felix Piel, Tomáš Mikoviny, et al.. (2023). Measurement report: Emission factors of NH ₃ and NH _x for wildfires and agricultural fires in the United States. Atmospheric chemistry and physics. 23(4). 2331–2343. 9 indexed citations

Bunkan, Arne Joakim C., Tomáš Mikoviny, Markus Müller, et al.. (2022). Atmospheric Chemistry of N-Methylmethanimine (CH₃N═CH₂): A Theoretical and Experimental Study. The Journal of Physical Chemistry A. 126(20). 3247–3264. 14 indexed citations

Hodnebrog, Øivind, Borgar Aamaas, Jan S. Fuglestvedt, et al.. (2020). Updated Global Warming Potentials and Radiative Efficiencies of Halocarbons and Other Weak Atmospheric Absorbers. Reviews of Geophysics. 58(3). e2019RG000691–e2019RG000691. 101 indexed citations

Koeijer, Gelein de, et al.. (2013). Health risk analysis for emissions to air from CO2 Technology Centre Mongstad. International journal of greenhouse gas control. 18. 200–207. 30 indexed citations

Nielsen, Claus J., Hartmut Herrmann, & Christian Weller. (2012). Atmospheric chemistry and environmental impact of the use of amines in carbon capture and storage (CCS). Chemical Society Reviews. 41(19). 6684–6684. 295 indexed citations

Karl, Matthias, Barbara D’Anna, C. George, et al.. (2010). Particle Formation in Photo-oxidation Experiments with 2-Aminoethanol (MEA). EGU General Assembly Conference Abstracts. 8196. 1 indexed citations

Nielsen, Claus J., et al.. (2010). Reactions of chloroethenes with atomic chlorine in air at atmospheric pressure. Russian Chemical Bulletin. 59(4). 754–760. 4 indexed citations

Feilberg, Karen Louise, Barbara D’Anna, Matthew S. Johnson, & Claus J. Nielsen. (2005). Relative Tropospheric Photolysis Rates of HCHO, H¹³CHO, HCH¹⁸O, and DCDO Measured at the European Photoreactor Facility. The Journal of Physical Chemistry A. 109(37). 8314–8319. 20 indexed citations

Myhre, Cathrine Lund & Claus J. Nielsen. (2004). Optical properties in the UV and visible spectral region of organic acids relevant to tropospheric aerosols. Atmospheric chemistry and physics. 4(7). 1759–1769. 87 indexed citations

10.

Myhre, Cathrine Lund, Barbara D’Anna, F.M. Nicolaisen, & Claus J. Nielsen. (2004). Properties of aqueous methanesulfonic acid: complex index of refraction and surface tension. Applied Optics. 43(12). 2500–2500. 11 indexed citations

11.

Klæboe, P. & Claus J. Nielsen. (1992). Recent advances in infrared matrix isolation spectroscopy. Invited lecture. The Analyst. 117(3). 335–335. 8 indexed citations

12.

Arukwe, Joseph, Kjell Undheim, Claus J. Nielsen, et al.. (1991). Palladium Catalysis in the Synthesis of Hydroxymethylfuryl Pyrimidinyl Ketones.. Acta chemica Scandinavica/Acta chemica Scandinavica. B, Organic chemistry and biochemistry/Acta chemica Scandinavica. A, Physical and inorganic chemistry/Acta chemica Scandinavica. Series B. Organic chemistry and biochemistry/Acta chemica Scandinavica. Series A, Physical and inorganic chemistry. 45. 914–918. 6 indexed citations

13.

Hjorth, J., F. Cappellani, Claus J. Nielsen, & G. Restelli. (1989). Determination of the nitrogen trioxide + nitrogen dioxide .fwdarw. nitric oxide + oxygen + nitrogen dioxide rate constant by infrared diode laser and Fourier transform spectroscopy. The Journal of Physical Chemistry. 93(14). 5458–5461. 5 indexed citations

14.

Ohshima, Yasuhiro, Satoshi Yamamoto, K. Kuchitsu, et al.. (1988). Molecular Structure and Large-Amplitude Bending Vibration of Carbon Suboxide as Studied by Electron-Diffraction and Spectroscopic Data.. Acta chemica Scandinavica/Acta chemica Scandinavica. B, Organic chemistry and biochemistry/Acta chemica Scandinavica. A, Physical and inorganic chemistry/Acta chemica Scandinavica. Series B. Organic chemistry and biochemistry/Acta chemica Scandinavica. Series A, Physical and inorganic chemistry. 42a. 307–317. 7 indexed citations

15.

Gundersen, Grete, et al.. (1988). Vibrational spectra, molecular structure and conformation of gaseous 3-thiocyanatopropyne (propargylthiocyanate). Journal of Molecular Structure. 176. 159–179. 12 indexed citations

16.

Nielsen, Claus J. & J. Osmundsen. (1983). New approach towards frequency stabilisation of linewidth-narrowed semiconductor lasers. Electronics Letters. 19(16). 644–646. 11 indexed citations

17.

Bak, Børge, O. Faurskov Nielsen, Henrik Svanholt, et al.. (1982). The Molecular Structure of Gaseous 5-Methyl-1,3,4-oxathiazole-2-one, CH3C=N--S--CO--O.. Acta chemica Scandinavica/Acta chemica Scandinavica. B, Organic chemistry and biochemistry/Acta chemica Scandinavica. A, Physical and inorganic chemistry/Acta chemica Scandinavica. Series B. Organic chemistry and biochemistry/Acta chemica Scandinavica. Series A, Physical and inorganic chemistry. 36a. 283–295. 4 indexed citations

18.

Hurlen, Tor, Supanich Pramatus, Yvonne Andersson, et al.. (1978). Ion Activities and Zinc Electrode Reactions in Aqueous Sulfate Solutions.. Acta chemica Scandinavica/Acta chemica Scandinavica. B, Organic chemistry and biochemistry/Acta chemica Scandinavica. A, Physical and inorganic chemistry/Acta chemica Scandinavica. Series B. Organic chemistry and biochemistry/Acta chemica Scandinavica. Series A, Physical and inorganic chemistry. 32a. 447–453. 3 indexed citations

19.

Niinistö, Lauri, J. Valkonen, Janine C. Sekutowski, et al.. (1978). Uranyl(VI) Compounds. I. The Crystal Structure of Ammonium Uranyl Sulfate Dihydrate, (NH4)2UO2(SO4)2.2H2O.. Acta chemica Scandinavica/Acta chemica Scandinavica. B, Organic chemistry and biochemistry/Acta chemica Scandinavica. A, Physical and inorganic chemistry/Acta chemica Scandinavica. Series B. Organic chemistry and biochemistry/Acta chemica Scandinavica. Series A, Physical and inorganic chemistry. 32a. 647–651. 18 indexed citations

20.

Fanwick, Phillip E., R. H. NISWANDER, Janine C. Sekutowski, et al.. (1978). Two Quadruply-bonded Dimolybdenum Tetra(dithiocarboxylato) Compounds.. Acta chemica Scandinavica/Acta chemica Scandinavica. B, Organic chemistry and biochemistry/Acta chemica Scandinavica. A, Physical and inorganic chemistry/Acta chemica Scandinavica. Series B. Organic chemistry and biochemistry/Acta chemica Scandinavica. Series A, Physical and inorganic chemistry. 32a. 663–671. 15 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

Explore authors with similar magnitude of impact