Sum Chi Lee

3.2k total citations · 1 hit paper
31 papers, 2.4k citations indexed

About

Sum Chi Lee is a scholar working on Atmospheric Science, Health, Toxicology and Mutagenesis and Global and Planetary Change. According to data from OpenAlex, Sum Chi Lee has authored 31 papers receiving a total of 2.4k indexed citations (citations by other indexed papers that have themselves been cited), including 20 papers in Atmospheric Science, 17 papers in Health, Toxicology and Mutagenesis and 11 papers in Global and Planetary Change. Recurrent topics in Sum Chi Lee's work include Atmospheric chemistry and aerosols (19 papers), Toxic Organic Pollutants Impact (14 papers) and Air Quality and Health Impacts (11 papers). Sum Chi Lee is often cited by papers focused on Atmospheric chemistry and aerosols (19 papers), Toxic Organic Pollutants Impact (14 papers) and Air Quality and Health Impacts (11 papers). Sum Chi Lee collaborates with scholars based in Canada, United States and Austria. Sum Chi Lee's co-authors include Tom Harner, Donald Mackay, Wan‐Ying Shiu, Mahiba Shoeib, Karla Pozo, Frank Wania, Kevin C. Jones, Derek C. G. Muir, Lutz Ahrens and Glenys M. Webster and has published in prestigious journals such as Environmental Science & Technology, Analytical Chemistry and Environmental Pollution.

In The Last Decade

Sum Chi Lee

30 papers receiving 2.4k 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.

Handbook of Physical-Chemical Properties and Environmental Fate for Organic Chemicals

2006 721 citations Donald Mackay, Sum Chi Lee et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Sum Chi Lee Canada	17	1.8k	870	721	456	203	31	2.4k
Jasmin K. Schuster Canada	25	1.5k 0.8×	692 0.8×	508 0.7×	377 0.8×	164 0.8×	37	1.8k
Rula A. Deeb United States	20	1.2k 0.7×	463 0.5×	1.2k 1.6×	764 1.7×	58 0.3×	40	2.4k
Eva Webster Canada	16	1.2k 0.7×	582 0.7×	663 0.9×	391 0.9×	94 0.5×	40	1.7k
Charles M. Sharpless United States	24	890 0.5×	463 0.5×	209 0.3×	890 2.0×	200 1.0×	33	2.7k
Amelie Kierkegaard Sweden	29	2.6k 1.4×	409 0.5×	368 0.5×	766 1.7×	44 0.2×	65	3.2k
Yuichi Horii Japan	35	3.7k 2.1×	1.4k 1.6×	2.1k 2.9×	907 2.0×	56 0.3×	72	4.5k
Christine Baduel France	26	1.7k 0.9×	963 1.1×	790 1.1×	439 1.0×	249 1.2×	42	2.5k
Juhani Peuravuori Finland	23	450 0.2×	306 0.4×	324 0.4×	413 0.9×	150 0.7×	41	2.3k
Karl J. Rockne United States	32	2.1k 1.2×	313 0.4×	620 0.9×	1.6k 3.6×	145 0.7×	82	3.2k

Countries citing papers authored by Sum Chi Lee

Since Specialization

Citations

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

Fields of papers citing papers by Sum Chi Lee

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Sum Chi Lee. 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 Sum Chi Lee. The network helps show where Sum Chi Lee may publish in the future.

Co-authorship network of co-authors of Sum Chi Lee

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

All Works

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20 of 20 papers shown

Bognar, Kristof, Xiaoyi Zhao, Vitali Fioletov, et al.. (2025). Retrieval of NO ₂ profiles from 3 years of Pandora MAX-DOAS measurements in Toronto, Canada. Atmospheric measurement techniques. 18(11). 2397–2423. 1 indexed citations

Zhao, Xiaoyi, Vitali Fioletov, Debora Griffin, et al.. (2024). The differences between remote sensing and in situ air pollutant measurements over the Canadian oil sands. Atmospheric measurement techniques. 17(23). 6889–6912. 1 indexed citations

Fioletov, Vitali, Xiaoyi Zhao, Ihab Abboud, et al.. (2023). Total ozone variability and trends over the South Pole during the wintertime. Atmospheric chemistry and physics. 23(19). 12731–12751. 3 indexed citations

Zhao, Xiaoyi, Vitali Fioletov, Alberto Redondas, et al.. (2023). The site-specific primary calibration conditions for the Brewer spectrophotometer. Atmospheric measurement techniques. 16(8). 2273–2295. 2 indexed citations

Zhao, Xiaoyi, Vitali Fioletov, Yushan Su, et al.. (2022). Tropospheric and Surface Nitrogen Dioxide Changes in the Greater Toronto Area during the First Two Years of the COVID-19 Pandemic. Remote Sensing. 14(7). 1625–1625. 11 indexed citations

Zhao, Xiaoyi, Vitali Fioletov, Vladimir Savastiouk, et al.. (2021). The world Brewer reference triad – updated performance assessment and new double triad. Atmospheric measurement techniques. 14(3). 2261–2283. 10 indexed citations

Spinei, Elena, Martin Tiefengraber, Moritz Müller, et al.. (2021). Effect of polyoxymethylene (POM-H Delrin) off-gassing within the Pandora head sensor on direct-sun and multi-axis formaldehyde column measurements in 2016–2019. Atmospheric measurement techniques. 14(1). 647–663. 10 indexed citations

Zhao, Xiaoyi, Debora Griffin, Vitali Fioletov, et al.. (2020). Assessment of the quality of TROPOMI high-spatial-resolution NO ₂ data products in the Greater Toronto Area. Atmospheric measurement techniques. 13(4). 2131–2159. 78 indexed citations

Zhao, Xiaoyi, Debora Griffin, Vitali Fioletov, et al.. (2020). Assessment of the quality of TROPOMI high-spatial-resolution NO2 data products. 1 indexed citations

10.

Zhao, Xiaoyi, Debora Griffin, Vitali Fioletov, et al.. (2019). Retrieval of total column and surface NO ₂ from Pandora zenith-sky measurements. Atmospheric chemistry and physics. 19(16). 10619–10642. 16 indexed citations

11.

Zhao, Xiaoyi, Debora Griffin, Vitali Fioletov, et al.. (2019). Assessment of the quality of TROPOMI high-spatial-resolution NO ₂ data products. 4 indexed citations

12.

Lee, Sum Chi, Ed Sverko, Tom Harner, et al.. (2016). Retrospective analysis of “new” flame retardants in the global atmosphere under the GAPS Network. Environmental Pollution. 217. 62–69. 38 indexed citations

13.

Meire, Rodrigo Ornellas, Sum Chi Lee, Yuan Yao, et al.. (2012). Seasonal and altitudinal variations of legacy and current-use pesticides in the Brazilian tropical and subtropical mountains. Atmospheric Environment. 59. 108–116. 54 indexed citations

14.

Schuster, Jasmin K., Rosalinda Gioia, Tom Harner, et al.. (2011). Assessment of sorbent impregnated PUF disks (SIPs) for long-term sampling of legacy POPs. Journal of Environmental Monitoring. 14(1). 71–78. 16 indexed citations

15.

Harner, Tom, Yu Cheng, Matthew MacLeod, et al.. (2011). Global Distribution of Linear and Cyclic Volatile Methyl Siloxanes in Air. Environmental Science & Technology. 45(8). 3349–3354. 188 indexed citations

16.

Pozo, Karla, Tom Harner, Sum Chi Lee, et al.. (2010). Assessing seasonal and spatial trends of persistent organic pollutants (POPs) in Indian agricultural regions using PUF disk passive air samplers. Environmental Pollution. 159(2). 646–653. 120 indexed citations

17.

Shoeib, Mahiba, Tom Harner, Sum Chi Lee, Douglas A. Lane, & Jiping Zhu. (2008). Sorbent-Impregnated Polyurethane Foam Disk for Passive Air Sampling of Volatile Fluorinated Chemicals. Analytical Chemistry. 80(3). 675–682. 123 indexed citations

18.

Lee, Sum Chi, Tom Harner, Karla Pozo, et al.. (2007). Polychlorinated Naphthalenes in the Global Atmospheric Passive Sampling (GAPS) Study. Environmental Science & Technology. 41(8). 2680–2687. 110 indexed citations

19.

Lee, Sum Chi & Donald Mackay. (1995). DISPLAYING MULTIMEDIA ENVIRONMENTAL PARTITIONING BY TRIANGULAR DIAGRAMS. Environmental Toxicology and Chemistry. 14(11). 1839–1839.

20.

Lee, Sum Chi & Donald Mackay. (1995). Displaying multimedia environmental partitioning by triangular diagrams. Environmental Toxicology and Chemistry. 14(11). 1839–1846. 3 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.

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