C. Ahn

2.5k total citations · 1 hit paper
28 papers, 1.6k citations indexed

About

C. Ahn is a scholar working on Global and Planetary Change, Atmospheric Science and Environmental Engineering. According to data from OpenAlex, C. Ahn has authored 28 papers receiving a total of 1.6k indexed citations (citations by other indexed papers that have themselves been cited), including 27 papers in Global and Planetary Change, 26 papers in Atmospheric Science and 2 papers in Environmental Engineering. Recurrent topics in C. Ahn's work include Atmospheric chemistry and aerosols (24 papers), Atmospheric Ozone and Climate (22 papers) and Atmospheric aerosols and clouds (19 papers). C. Ahn is often cited by papers focused on Atmospheric chemistry and aerosols (24 papers), Atmospheric Ozone and Climate (22 papers) and Atmospheric aerosols and clouds (19 papers). C. Ahn collaborates with scholars based in United States, South Korea and Brazil. C. Ahn's co-authors include Omar Torres, P. K. Bhartia, Hiren Jethva, R. Braak, P. F. Levelt, Aapo Tanskanen, Pepijn Veefkind, Ben Veihelmann, M. F. Baumgardner and L. L. Biehl and has published in prestigious journals such as Journal of Geophysical Research Atmospheres, Geophysical Research Letters and Atmospheric Environment.

In The Last Decade

C. Ahn

27 papers receiving 1.6k citations

Hit Papers

Aerosols and surface UV products from Ozone Monitoring In... 2007 2026 2013 2019 2007 200 400 600
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.

  1. Aerosols and surface UV products from Ozone Monitoring Instrument observations: An overview
    2007 673 citations Omar Torres, Aapo Tanskanen et al. Journal of Geophysical Research Atmospheres profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
C. Ahn United States 16 1.5k 1.5k 156 105 43 28 1.6k
Q. Ji United States 9 1.2k 0.8× 1.1k 0.7× 114 0.7× 60 0.6× 52 1.2× 16 1.2k
Jaehwa Lee United States 19 1.4k 0.9× 1.3k 0.9× 169 1.1× 160 1.5× 52 1.2× 48 1.5k
Yingxi Shi United States 18 974 0.6× 956 0.6× 132 0.8× 98 0.9× 35 0.8× 28 1.1k
J. S. Schafer United States 18 1.8k 1.2× 1.7k 1.1× 184 1.2× 101 1.0× 69 1.6× 26 1.9k
Youtong Zheng United States 17 935 0.6× 858 0.6× 120 0.8× 104 1.0× 33 0.8× 39 1.0k
K. A. Crean United States 6 927 0.6× 894 0.6× 88 0.6× 72 0.7× 74 1.7× 8 987
Joel S. Schafer United States 9 1.3k 0.9× 1.2k 0.8× 113 0.7× 104 1.0× 64 1.5× 13 1.4k
Y. Morille France 15 775 0.5× 785 0.5× 155 1.0× 178 1.7× 18 0.4× 22 899
N. C. Hsu United States 5 1.7k 1.1× 1.6k 1.1× 156 1.0× 150 1.4× 94 2.2× 11 1.8k
Larisa Sogacheva Finland 23 1.2k 0.8× 1.4k 1.0× 596 3.8× 215 2.0× 24 0.6× 64 1.6k

Countries citing papers authored by C. Ahn

Since Specialization
Citations

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

Fields of papers citing papers by C. Ahn

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of C. Ahn

This figure shows the co-authorship network connecting the top 25 collaborators of C. Ahn. A scholar is included among the top collaborators of C. Ahn 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 C. Ahn. C. Ahn is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Vasilkov, A. P., N. A. Krotkov, Hiren Jethva, et al.. (2025). Absorbing Aerosol Effects on Hyperspectral Surface and Underwater UV Irradiances from OMI Measurements and Radiative Transfer Computations. Remote Sensing. 17(3). 562–562.
2.
Torres, Omar & C. Ahn. (2024). Local and Regional Diurnal Variability of Aerosol Properties Retrieved by DSCOVR/EPIC UV Algorithm. Journal of Geophysical Research Atmospheres. 129(8). 1 indexed citations
3.
Ahn, C., et al.. (2021). Evaluation of Aerosol Properties Observed by DSCOVR/EPIC Instrument From the Earth‐Sun Lagrange 1 Orbit. Journal of Geophysical Research Atmospheres. 126(12). 9 indexed citations
4.
Torres, Omar, Hiren Jethva, C. Ahn, Glen Jaross, & Diego Loyola. (2020). TROPOMI aerosol products: evaluation and observations of synoptic-scale carbonaceous aerosol plumes during 2018–2020. Atmospheric measurement techniques. 13(12). 6789–6806. 54 indexed citations
5.
Abad, Gonzalo González, Caroline R. Nowlan, K. Chance, et al.. (2019). Explicit Aerosol Correction of OMI Formaldehyde Retrievals. Earth and Space Science. 6(11). 2087–2105. 15 indexed citations
6.
Jethva, Hiren, Omar Torres, & C. Ahn. (2018). A 12-year long global record of optical depth of absorbing aerosols above the clouds derived from the OMI/OMACA algorithm. Atmospheric measurement techniques. 11(10). 5837–5864. 28 indexed citations
7.
Torres, Omar, P. K. Bhartia, Hiren Jethva, & C. Ahn. (2018). Impact of the ozone monitoring instrument row anomaly on the long-term record of aerosol products. Atmospheric measurement techniques. 11(5). 2701–2715. 88 indexed citations
8.
Ahn, C., et al.. (2017). Data Continuity of Aerosol Index from Suomi NPP/OMPS Observations. AGUFM. 2017. 1 indexed citations
9.
Colarco, Peter R., Santiago Gassó, C. Ahn, et al.. (2017). Simulation of the Ozone Monitoring Instrument aerosol index using the NASA Goddard Earth Observing System aerosol reanalysis products. Atmospheric measurement techniques. 10(11). 4121–4134. 22 indexed citations
10.
Jeong, Ukkyo, Jhoon Kim, C. Ahn, et al.. (2016). An optimal-estimation-based aerosol retrieval algorithm using OMI near-UV observations. Atmospheric chemistry and physics. 16(1). 177–193. 32 indexed citations
11.
12.
Zhang, Lin, Daven K. Henze, Georg Grell, et al.. (2015). Constraining black carbon aerosol over Asia using OMI aerosol absorption optical depth and the adjoint of GEOS-Chem. Atmospheric chemistry and physics. 15(18). 10281–10308. 40 indexed citations
13.
Jethva, Hiren, Omar Torres, & C. Ahn. (2014). Global assessment of OMI aerosol single‐scattering albedo using ground‐based AERONET inversion. Journal of Geophysical Research Atmospheres. 119(14). 9020–9040. 102 indexed citations
14.
Ahn, C., Omar Torres, & Hiren Jethva. (2014). Assessment of OMI near‐UV aerosol optical depth over land. Journal of Geophysical Research Atmospheres. 119(5). 2457–2473. 97 indexed citations
15.
Jethva, Hiren, et al.. (2011). Comparative Analysis of OMI and Aeronet Retrieval of Single-Scattering Albedo in Dust and Biomass Burning Environment. AGU Fall Meeting Abstracts. 2011. 1 indexed citations
16.
Torres, Omar, et al.. (2010). OMI and MODIS observations of the anomalous 2008–2009 Southern Hemisphere biomass burning seasons. Atmospheric chemistry and physics. 10(8). 3505–3513. 68 indexed citations
17.
18.
Torres, Omar, Aapo Tanskanen, Ben Veihelmann, et al.. (2007). Aerosols and surface UV products from Ozone Monitoring Instrument observations: An overview. Journal of Geophysical Research Atmospheres. 112(D24). 673 indexed citations breakdown →
19.
McPeters, Richard D., C. G. Wellemeyer, & C. Ahn. (2004). The Validation of Version 8 Ozone Profiles: Is SBUV Ready for Prime Time?. NASA Technical Reports Server (NASA). 81(6 Pt 1). 61803–61803. 5 indexed citations
20.
Ahn, C., J. R. Ziemke, S. Chandra, & P. K. Bhartia. (2003). Derivation of tropospheric column ozone from the Earth Probe TOMS/GOES co-located data sets using the cloud slicing technique. Journal of Atmospheric and Solar-Terrestrial Physics. 65(10). 1127–1137. 9 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

Breakdown of academic impact, for papers by Q. Ji Breakdown of academic impact, for papers by Jaehwa Lee Breakdown of academic impact, for papers by Yingxi Shi Breakdown of academic impact, for papers by J. S. Schafer Breakdown of academic impact, for papers by Youtong Zheng Breakdown of academic impact, for papers by K. A. Crean Breakdown of academic impact, for papers by Joel S. Schafer Breakdown of academic impact, for papers by Y. Morille Breakdown of academic impact, for papers by N. C. Hsu Breakdown of academic impact, for papers by Larisa Sogacheva
Rankless by CCL
2026