Richard C. Flagan

59.8k citations

395 papers · 34.3k indexed · 14 hit papers · h-index 94

Atmospheric Science top 0.01%
- Atmospheric chemistry and aerosols 214
- Atmospheric Ozone and Climate 88
- nanoparticles nucleation surface interactions 40
Health, Toxicology and Mutagenesis top 0.01%
- Air Quality and Health Impacts 96
- Indoor Air Quality and Microbial Exposure 31
Global and Planetary Change top 0.05%
- Atmospheric aerosols and clouds 110
Environmental Engineering top 0.05%
Automotive Engineering top 0.1%
Water Science and Technology
- Coagulation and Flocculation Studies 55
Ocean Engineering
- Particle Dynamics in Fluid Flows 33

Co-authors: John H. Seinfeld N. L. Ng Jesse H. Kroll David R. Cocker Shih Chen Wang Arthur W. H. Chan Jay R. Odum Don Collins
Cited by: Atmospheric Science Health, Toxicology and Mutagenesis Global and Planetary Change
Journals: Nature (2 papers)Science (4 papers)Proceedings of the National Academy of Sciences (4 papers)
Partner nations: United States Germany Japan

In The Last Decade

Richard C. Flagan

388 papers receiving 32.8k citations

Hit Papers

14 papers align trajectories log scale

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.

2009 Proceedings of the National Academy of Sciences
2008 The Journal of Physical Chemistry A
2007 Atmospheric chemistry and physics
2007 Science
2006 The Journal of Physical Chemistry A
2006 Environmental Science & Technology
2006 Environmental Science & Technology
2003 Journal of Geophysical Research Atmospheres
2002 Nature
1999 Journal of Geophysical Research Atmospheres
1997 Journal of Atmospheric Chemistry
1996 Environmental Science & Technology
1990 Aerosol Science and Technology
1988 CaltechAUTHORS (California Institute of Technology)

Peers

Countries citing papers authored by Richard C. Flagan

Since Specialization

Citations

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

Fields of papers citing papers by Richard C. Flagan

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network

The 25 scholars most cited alongside Richard C. Flagan, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Richard C. Flagan Line = papers co-authored together Richard C. Flagan links everyone, so they are left out of the graph.

All Works

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

20 of 20 papers shown

#	Work
1	Poorly quantified trends in ammonium nitrate remain critical to understand future urban aerosol control strategies Science Advances ·Ryan X. Ward,Haroula D. Baliaka,Benjamin C. Schulze,Gaige Hunter Kerr,John D. Crounse,Sina Hasheminassab,R. Bahreini,Ann M. Dillner,Armistead G. Russell,N. L. Ng,P. O. Wennberg,Richard C. Flagan,John H. Seinfeld	2025	0
2	Quantification of face seal leakage using parallel resistance model Physics of Fluids ·B. G. Pushpawela,Peter Chea,Ryan X. Ward,Richard C. Flagan	2023	1
3	Variability of the penetration of particles through facemasks Aerosol Science and Technology ·B. G. Pushpawela,Stavros Amanatidis,Yuanlong Huang,Richard C. Flagan	2021	6
4	Novel estimation of aerosol processes with particle size distribution measurements: a case study with the TOMAS algorithm v1.0.0 Geoscientific model development ·Dana L. McGuffin,Yuanlong Huang,Richard C. Flagan,Tuukka Petäjä,B. Erik Ydstie,P. J. Adams	2021	1
5	Efficacy of a portable, moderate-resolution, fast-scanning differential mobility analyzer for ambient aerosol size distribution measurements Atmospheric measurement techniques ·Stavros Amanatidis,Yuanlong Huang,B. G. Pushpawela,Benjamin C. Schulze,Christopher M. Kenseth,Ryan X. Ward,John H. Seinfeld,Susanne V. Hering,Richard C. Flagan	2021	1
6	Coronavirus Disease 2019 Patients in Earlier Stages Exhaled Millions of Severe Acute Respiratory Syndrome Coronavirus 2 Per Hour Clinical Infectious Diseases ·Jianxin Ma,Qi Xiao,Haoxuan Chen,Xinyue Li,Zheng Zhang,Haibin Wang,Lingli Sun,Lu Zhang,Jiazhen Guo,Lídia Morawska,Sergey A. Grinshpun,Pratim Biswas,Richard C. Flagan,Maosheng Yao	2020	190
7	Low-volatility compounds contribute significantly to isoprene secondary organic aerosol (SOA) under high-NO _x conditions Atmospheric chemistry and physics ·Rebecca H. Schwantes,Sophia M. Charan,Kelvin H. Bates,Yuanlong Huang,Tran B. Nguyen,Huajun Mai,Weimeng Kong,Richard C. Flagan,John H. Seinfeld	2019	47
8	Effects of Biomass Burning on Stratocumulus Droplet Characteristics, Drizzle Rate, and Composition Journal of Geophysical Research Atmospheres ·Ali Hossein Mardi,Hossein Dadashazar,Alexander B. MacDonald,Ewan Crosbie,Matthew M. Coggon,Mojtaba Azadi Aghdam,Roy K. Woods,Haflidi H. Jonsson,Richard C. Flagan,John H. Seinfeld,Armin Sorooshian	2019	16
9	Effect of particle charge on aerosol dynamics in Teflon environmental chambers Aerosol Science and Technology ·Sophia M. Charan,Weimeng Kong,Richard C. Flagan,John H. Seinfeld	2018	23
10	Scanning DMA Data Analysis I. Classification Transfer Function Aerosol Science and Technology ·Huajun Mai,Richard C. Flagan	2018	19
11	Predicted impact of thermal power generation emission control measures in the Beijing-Tianjin-Hebei region on air pollution over Beijing, China Scientific Reports ·Liqiang Wang,Pengfei Li,Shaocai Yu,Khalid Mehmood,Zhen Li,Shucheng Chang,Weiping Liu,Daniel Rosenfeld,Richard C. Flagan,John H. Seinfeld	2018	40
12	Cloud Adiabaticity and Its Relationship to Marine Stratocumulus Characteristics Over the Northeast Pacific Ocean Journal of Geophysical Research Atmospheres ·Rachel A. Braun,Hossein Dadashazar,Alexander B. MacDonald,Ewan Crosbie,Haflidi H. Jonsson,Roy K. Woods,Richard C. Flagan,John H. Seinfeld,Armin Sorooshian	2018	27
13	Scanning DMA data analysis II. Integrated DMA-CPC instrument response and data inversion Aerosol Science and Technology ·Huajun Mai,Weimeng Kong,John H. Seinfeld,Richard C. Flagan	2018	16
14	Relationships between giant sea salt particles and clouds inferred from aircraft physicochemical data Journal of Geophysical Research Atmospheres ·Hossein Dadashazar,Zhen Wang,Ewan Crosbie,Michael A. Brunke,Xubin Zeng,Haflidi H. Jonsson,Roy K. Woods,Richard C. Flagan,John H. Seinfeld,Armin Sorooshian	2017	24
15	Secondary organic aerosol yields of 12-carbon alkanes Atmospheric chemistry and physics ·C. L. Loza,J. S. Craven,Lindsay D. Yee,Matthew M. Coggon,Rebecca H. Schwantes,Manabu Shiraiwa,X. Zhang,K. A. Schilling,N. L. Ng,Manjula R. Canagaratna,Paul J. Ziemann,Richard C. Flagan,John H. Seinfeld	2014	103
16	Ion–Aerosol Flux Coefficients and the Steady-State Charge Distribution of Aerosols in a Bipolar Ion Environment Aerosol Science and Technology ·Xerxes López-Yglesias,Richard C. Flagan	2013	50
17	Secondary organic aerosol formation from biomass burning intermediates: phenol and methoxyphenols Atmospheric chemistry and physics ·Lindsay D. Yee,Kathryn E. Kautzman,C. L. Loza,K. A. Schilling,Matthew M. Coggon,P. S. Chhabra,Man Nin Chan,Arthur W. H. Chan,S. P. Hersey,John D. Crounse,P. O. Wennberg,Richard C. Flagan,John H. Seinfeld	2013	215
18	Effect of chemical structure on secondary organic aerosol formation from C ₁₂ alkanes Atmospheric chemistry and physics ·Lindsay D. Yee,J. S. Craven,C. L. Loza,K. A. Schilling,N. L. Ng,Manjula R. Canagaratna,Paul J. Ziemann,Richard C. Flagan,John H. Seinfeld	2013	44
19	Analysis of secondary organic aerosol formation and aging using positive matrix factorization of high-resolution aerosol mass spectra: application to the dodecane low-NO _x system Atmospheric chemistry and physics ·J. S. Craven,Lindsay D. Yee,N. L. Ng,Manjula R. Canagaratna,C. L. Loza,K. A. Schilling,R. L. N. Yatavelli,Joel A. Thornton,Paul J. Ziemann,Richard C. Flagan,John H. Seinfeld	2012	33
20	Secondary organic aerosol (SOA) formation from reaction of isoprene with nitrate radicals (NO3) SHILAP Revista de lepidopterología ·Richard C. Flagan,P. O. Wennberg,J. D. Crounse,Havala O. T. Pye,Armin Sorooshian,P. S. Chhabra,Jason D. Surratt,A. W. H. Chan,N. L. Ng,A. J. Kwan,J. H. Seinfeld	2008	6

About Richard C. Flagan

Richard C. Flagan is a scholar working on Atmospheric Science, Health, Toxicology and Mutagenesis and Global and Planetary Change, having authored 395 papers that have together received 34.3k indexed citations. Recurring topics across this work include Atmospheric chemistry and aerosols (214 papers), Atmospheric aerosols and clouds (110 papers), Air Quality and Health Impacts (96 papers), Atmospheric Ozone and Climate (88 papers), Coagulation and Flocculation Studies (55 papers), nanoparticles nucleation surface interactions (40 papers), Particle Dynamics in Fluid Flows (33 papers) and Indoor Air Quality and Microbial Exposure (31 papers). The work is most often cited by research in Atmospheric Science (25.2k citations), Health, Toxicology and Mutagenesis (15.6k citations) and Global and Planetary Change (9.8k citations). Richard C. Flagan has collaborated with scholars based in United States, Germany and Japan. Frequent co-authors include John H. Seinfeld, N. L. Ng, Jesse H. Kroll, David R. Cocker, Shih Chen Wang, Arthur W. H. Chan, Jay R. Odum, Don Collins, Armin Sorooshian and S. M. Murphy. Their work appears in journals such as Nature, Science and Proceedings of the National Academy of Sciences.

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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