J. Hjorth

7.2k total citations · 1 hit paper
80 papers, 4.2k citations indexed

About

J. Hjorth is a scholar working on Atmospheric Science, Health, Toxicology and Mutagenesis and Environmental Engineering. According to data from OpenAlex, J. Hjorth has authored 80 papers receiving a total of 4.2k indexed citations (citations by other indexed papers that have themselves been cited), including 71 papers in Atmospheric Science, 25 papers in Health, Toxicology and Mutagenesis and 18 papers in Environmental Engineering. Recurrent topics in J. Hjorth's work include Atmospheric chemistry and aerosols (70 papers), Atmospheric Ozone and Climate (45 papers) and Air Quality and Health Impacts (18 papers). J. Hjorth is often cited by papers focused on Atmospheric chemistry and aerosols (70 papers), Atmospheric Ozone and Climate (45 papers) and Air Quality and Health Impacts (18 papers). J. Hjorth collaborates with scholars based in Italy, Germany and Belgium. J. Hjorth's co-authors include Ian Barnes, N. R. Jensen, N. Mihalopoulos, G. Restelli, Niels R. Jensen, Frank Raes, D. Kotzias, Marianne Glasius, Henrik Skov and Bo Larsen and has published in prestigious journals such as Chemical Reviews, Journal of Geophysical Research Atmospheres and Environmental Science & Technology.

In The Last Decade

J. Hjorth

76 papers receiving 4.0k citations

Hit Papers

align trajectories sort by overperformance

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.

The nitrate radical: Physics, chemistry, and the atmosphere

1991 618 citations Richard P. Wayne, Ian Barnes et al. Atmospheric Environment Part A General Topics profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
J. Hjorth Italy	35	3.6k	1.7k	871	814	484	80	4.2k
Suzanne E. Paulson United States	45	3.4k 1.0×	2.5k 1.5×	982 1.1×	824 1.0×	497 1.0×	105	5.3k
Yoshizumi Kajii Japan	40	3.3k 0.9×	2.1k 1.3×	919 1.1×	1.3k 1.6×	309 0.6×	158	4.5k
Peter Wiesen Germany	35	3.6k 1.0×	1.6k 1.0×	993 1.1×	1.0k 1.3×	538 1.1×	153	4.7k
Birger Bohn Germany	34	4.2k 1.2×	1.9k 1.2×	1.1k 1.3×	1.4k 1.7×	410 0.8×	95	4.6k
Andrew R. Rickard United Kingdom	36	3.2k 0.9×	1.5k 0.9×	619 0.7×	902 1.1×	393 0.8×	85	3.6k
John Wenger Ireland	38	3.2k 0.9×	2.4k 1.4×	757 0.9×	745 0.9×	301 0.6×	114	3.9k
Joel R. Kimmel United States	28	3.6k 1.0×	2.7k 1.6×	797 0.9×	1.4k 1.7×	528 1.1×	44	4.5k
R. G. Hynes Australia	17	3.5k 1.0×	1.1k 0.7×	516 0.6×	1.1k 1.4×	786 1.6×	24	4.7k
Jacqueline F. Hamilton United Kingdom	38	2.3k 0.6×	1.8k 1.1×	601 0.7×	614 0.8×	353 0.7×	113	3.5k
Torsten Berndt Germany	38	5.1k 1.4×	2.4k 1.5×	718 0.8×	1.2k 1.5×	816 1.7×	95	5.6k

Countries citing papers authored by J. Hjorth

Since Specialization

Citations

This map shows the geographic impact of J. Hjorth'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 J. Hjorth with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites J. Hjorth more than expected).

Fields of papers citing papers by J. Hjorth

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by J. Hjorth. 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 J. Hjorth. The network helps show where J. Hjorth may publish in the future.

Co-authorship network of co-authors of J. Hjorth

This figure shows the co-authorship network connecting the top 25 collaborators of J. Hjorth. A scholar is included among the top collaborators of J. Hjorth 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 J. Hjorth. J. Hjorth 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

Hjorth, J., et al.. (2024). On the dynamics of ozone depletion events at Villum Research Station in the High Arctic. Atmospheric chemistry and physics. 24(23). 13603–13631.

Bossi, Rossana, et al.. (2021). Atmospheric VOC measurements at a High Arctic site: characteristics and source apportionment. Atmospheric chemistry and physics. 21(4). 2895–2916. 26 indexed citations

Skov, Henrik, J. Hjorth, Claus Nordstrøm, et al.. (2020). Variability in gaseous elemental mercury at Villum Research Station, Station Nord, in North Greenland from 1999 to 2017. Atmospheric chemistry and physics. 20(21). 13253–13265. 17 indexed citations

Kalabokas, Pavlos, Niels R. Jensen, J. Hjorth, et al.. (2020). A study of the influence of tropospheric subsidence on spring and summer surface ozone concentrations at the JRC Ispra station in northern Italy. Atmospheric chemistry and physics. 20(4). 1861–1885. 14 indexed citations

Kalabokas, Pavlos, J. Hjorth, Gilles Forêt, et al.. (2017). An investigation on the origin of regional springtime ozone episodes in the western Mediterranean. Atmospheric chemistry and physics. 17(6). 3905–3928. 29 indexed citations

Alföldy, Bálint, L. F. L. Gast, J. Hjorth, et al.. (2014). Field test of available methods to measure remotely SO _x and NO _x emissions from ships. Atmospheric measurement techniques. 7(8). 2597–2613. 74 indexed citations

İm, Ulaş, Nikos Daskalakis, Mihalis Vrekoussis, et al.. (2013). Simulated air quality and pollutant budgets over Europe in 2008. The Science of The Total Environment. 470-471. 270–281. 5 indexed citations

Alföldy, Bálint, Friedrich Lagler, J. Mellqvist, et al.. (2013). Measurements of air pollution emission factors for marine transportation in SECA. Atmospheric measurement techniques. 6(7). 1777–1791. 95 indexed citations

Cavalli, F., J. Hjorth, Elina Marmer, et al.. (2011). Ozone over the Western Mediterranean Sea – results from two years of shipborne measurements. Atmospheric chemistry and physics. 11(2). 675–688. 43 indexed citations

10.

Marmer, Elina, B. Langmann, Frank Dentener, et al.. (2007). Assessment of Impact of Ship Emissions Over the Summertime Mediterranean. AGU Fall Meeting Abstracts. 2007. 1 indexed citations

11.

D’Anna, Barbara, Armin Wisthaler, Armin Hansel, et al.. (2005). Atmospheric Chemistry of C₃−C₆ Cycloalkanecarbaldehydes. The Journal of Physical Chemistry A. 109(23). 5104–5118. 22 indexed citations

12.

Librando, Vito, Giuseppe Tringali, J. Hjorth, & Salvatore Coluccia. (2003). OH-initiated oxidation of DMS/DMSO: reaction products at high NOx levels. Environmental Pollution. 127(3). 403–410. 27 indexed citations

13.

Jensen, N. R., Kai Wirtz, Jovan M. Tadić, et al.. (2001). Studies of the photolysis of pyruvic acid: Products and mechanism. Max Planck Institute for Plasma Physics. 3 indexed citations

14.

Sörensen, S. P. L., et al.. (2000). Atmospheric gas-phase reactions of dimethylsulphoxide and dimethylsulphone with OH and NO3 radicals, Cl atoms and ozone. Atmospheric Environment. 34(10). 1543–1551. 60 indexed citations

15.

Rindone, Bruno, et al.. (1999). Gas-phase nitration of oxygenated aromatic compounds. BOA (University of Milano-Bicocca).

16.

Fantechi, Gaia, Niels R. Jensen, J. Hjorth, & Jozef Peeters. (1998). Determination of the rate constants for the gas-phase reactions of methyl butenol with OH radicals, ozone, NO3 radicals, and Cl atoms. International Journal of Chemical Kinetics. 30(8). 589–594. 45 indexed citations

17.

Fantechi, Gaia, et al.. (1998). Mechanistic studies of the atmospheric oxidation of methyl butenol by OH radicals, ozone and NO3 radicals. Atmospheric Environment. 32(20). 3547–3556. 44 indexed citations

18.

Dingenen, Rita Van, Niels R. Jensen, J. Hjorth, & Frank Raes. (1994). Peroxynitrate formation during the night-time oxidation of dimethylsulfide: Its role as a reservoir species for aerosol formation. Journal of Atmospheric Chemistry. 18(3). 211–237. 29 indexed citations

19.

Wayne, Richard P., Ian Barnes, Peter J. Biggs, et al.. (1991). The nitrate radical: Physics, chemistry, and the atmosphere. Atmospheric Environment Part A General Topics. 25(1). 1–203. 618 indexed citations breakdown →

20.

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

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