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Suspensions of particles in a gas, called aerosols, play a central role in the atmospheric processes involved in climate change. Some aerosols are emitted directly into the atmosphere; others form there through oxidation of gaseous precursors. Both natural processes and anthropogenic sources contribute to the aerosol burden. Climate change is driven by greenhouse gases that warm the air, and by aerosols and the cloud droplets that form on them. Depending on their compositions, the aerosols cool the planet by scattering incident sunlight back to space, or warm it when soot and other particles absorb solar radiation. While the impacts of greenhouse gases are readily quantified, aerosols remain the greatest source of uncertainty in the global radiation budget. Only by understanding the global distribution of aerosols can their impact be properly assessed. Unfortunately, data of the atmospheric aerosol remain sparse. The Flagan group works to increase the level of understanding through a combination of laboratory and field measurements, and by advancing the state of the art in aerosol measurements.
Fine particulate matter in the air also has profound impacts on human health. These particles are usually characterized in terms of the mass concentration of particles that can penetrate to the lower airways when inhaled, so-called PM2.5. Epidemiological studies reveal a strong association between PM2.5 levels and a number of adverse health effects, but PM2.5 is a blunt instrument to understand fine particle effects. Near-roadway increases in of some of these health effects point to possible contributions of particles in the low nanometer regime, and to heavy-duty diesel traffic as the likely culprit, though, again, the data are too sparse to allow rigorous assessment of the causes.
We seek to advance our understanding of the atmospheric aerosol, at scales ranging from the very localized effects of near roadway exposures, to that of the urban, regional, and global atmosphere. By enabling measurements throughout the particle size range from molecular clusters through supermicron particles, we are working to provide the comprehensive data that are needed to probe the fundamental mechanisms of aerosol formation and growth, and to assess their many impacts. A particular focus of our work is the secondary organic aerosol that dominates the atmospheric particles in many locations, and which accounts for most of the growth even when species such as sulfuric acid are responsible for new particle formation. We further study much more localized effects of aerosols, including workplace exposures in the burgeoning nanotechnology arena. Our research broadly encompasses several strongly overlapping areas:
• Laboratory studies of the formation and evolution of secondary atmospheric aerosols.
• Airborne measurements of atmospheric aerosols and clouds.
• Advancing the state of the art for aerosol measurements.
• Sources of nanoparticle exposures in the nanotechnology laboratory and workplace.
• Applications of aerosol methods to the study of planetary atmospheres, molecular separations, and other research arenas.
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论文共 654 篇作者统计合作学者相似作者
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Ruby Marten,Mao Xiao,Mingyi Wang,Weimeng Kong,Xu-Cheng He,Dominik Stolzenburg,Joschka Pfeifer,Guillaume Marie,Dongyu S. Wang,Miriam Elser,Andrea Baccarini,Chuan Ping Lee,Antonio Amorim,Rima Baalbaki,David M. Bell,Barbara Bertozzi,Lucia Caudillo,Lubna Dada,Jonathan Duplissy,Henning Finkenzeller,Martin Heinritzi,Markus Lampimaki,Katrianne Lehtipalo,Hanna E. Manninen,Bernhard Mentler,Antti Onnela,Tuukka Petaja,Maxim Philippov,Birte Rorup,Wiebke Scholz,Jiali Shen,Yee Jun Tham,Antonio Tome,Andrea C. Wagner,Stefan K. Weber,Marcel Zauner-Wieczorek,Joachim Curtius,Markku Kulmala,Rainer Volkamer,Douglas R. Worsnop,Josef Dommen,Richard C. Flagan,Jasper Kirkby,Neil McPherson Donahue,Houssni Lamkaddam,Urs Baltensperger,Imad El Haddad
ENVIRONMENTAL SCIENCE-ATMOSPHERESno. 2 (2024): 265-274
AEROSOL SCIENCE AND TECHNOLOGYno. 1 (2024): 99-113
Christos Xenofontos, Matthias Kohl, Samuel Ruhl, João Almeida, Hannah M Beckmann, Lucía Caudillo-Plath,Sebastian Ehrhart,Kristina Höhler, Milin Kaniyodical Sebastian,Weimeng Kong, Felix Kunkler,Antti Onnela, Pedro Rato, Douglas M Russell,Mario Simon, Leander Stark,Nsikanabasi Silas Umo, Gabriela R Unfer, Boxing Yang, Wenjuan Yu, Marcel Zauner-Wieczorek, Imad Zgheib,Zhensen Zheng, Joachim Curtius,Neil M Donahue,Imad El Haddad,Richard C Flagan,Hamish Gordon,Hartwig Harder,Xu-Cheng He,Jasper Kirkby,Markku Kulmala,Ottmar Möhler,Mira L Pöhlker, Siegfried Schobesberger,Rainer Volkamer,Mingyi Wang,Stephan Borrmann,Andrea Pozzer,Jos Lelieveld,Theodoros Christoudias
NPJ climate and atmospheric scienceno. 1 (2024): 215-215
Birte Rorup,Xu-Cheng He,Jiali Shen,Rima Baalbaki,Lubna Dada,Mikko Sipila,Jasper Kirkby,Markku Kulmala,Antonio Amorim,Andrea Baccarini,David M. Bell,Lucia Caudillo-Plath,Jonathan Duplissy,Henning Finkenzeller,Andreas Kuerten,Houssni Lamkaddam,Chuan Ping Lee,Vladimir Makhmutov,Hanna E. Manninen,Guillaume Marie,Ruby Marten,Bernhard Mentler,Antti Onnela,Maxim Philippov,Carolin Wiebke Scholz,Mario Simon,Dominik Stolzenburg,Yee Jun Tham,Antonio Tome,Andrea C. Wagner,Mingyi Wang,Dongyu Wang,Yonghong Wang,Stefan K. Weber,Marcel Zauner-Wieczorek,Urs Baltensperger,Joachim Curtius,Neil M. Donahue,Imad El Haddad,Richard C. Flagan,Armin Hansel,Ottmar Moehler,Tuukka Petaja,Rainer Volkamer,Douglas Worsnop,Katrianne Lehtipalo
ENVIRONMENTAL SCIENCE-ATMOSPHERESno. 5 (2024): 531-546
Xu-Cheng He,Mario Simon,Siddharth Iyer,Hong-Bin Xie,Birte Roerup,Jiali Shen,Henning Finkenzeller,Dominik Stolzenburg,Rongjie Zhang,Andrea Baccarini,Yee Jun Tham,Mingyi Wang,Stavros Amanatidis,Ana A. Piedehierro,Antonio Amorim,Rima Baalbaki,Zoe Brasseur,Lucia Caudillo,Biwu Chu,Lubna Dada,Jonathan Duplissy,Imad El Haddad,Richard C. Flagan,Manuel Granzin,Armin Hansel,Martin Heinritzi,Victoria Hofbauer,Tuija Jokinen,Deniz Kemppainen,Weimeng Kong,Jordan Krechmer,Andreas Kuerten,Houssni Lamkaddam,Brandon Lopez,Fangfang Ma,Naser G. A. Mahfouz,Vladimir Makhmutov,Hanna E. Manninen,Guillaume Marie,Ruby Marten,Dario Massabo,Roy L. Mauldin,Bernhard Mentler,Antti Onnela,Tuukka Petaejae,Joschka Pfeifer,Maxim Philippov,Ananth Ranjithkumar,Matti P. Rissanen,Siegfried Schobesberger,Wiebke Scholz,Benjamin Schulze,Mihnea Surdu,Roseline C. Thakur,Antonio Tome,Andrea C. Wagner,Dongyu Wang,Yonghong Wang,Stefan K. Weber,Andre Welti,Paul M. Winkler,Marcel Zauner-Wieczorek,Urs Baltensperger,Joachim Curtius,Theo Kurten,Douglas R. Worsnop,Rainer Volkamer,Katrianne Lehtipalo,Jasper Kirkby,Neil M. Donahue,Mikko Sipilae,Markku Kulmala
Lucia Caudillo,Mihnea Surdu,Brandon Lopez,Mingyi Wang,Markus Thoma,Steffen Brakling,Angela Buchholz,Mario Simon,Andrea C. Wagner,Tatjana Mueller,Manuel Granzin,Martin Heinritzi,Antonio Amorim,David M. Bell,Zoe Brasseur,Lubna Dada,Jonathan Duplissy,Henning Finkenzeller,Xu-Cheng He,Houssni Lamkaddam,Naser G. A. Mahfouz,Vladimir Makhmutov,Hanna E. Manninen,Guillaume Marie,Ruby Marten,Roy L. Mauldin,Bernhard Mentler,Antti Onnela,Tuukka Petaja,Joschka Pfeifer,Maxim Philippov,Ana A. Piedehierro,Birte Rorup,Wiebke Scholz,Jiali Shen,Dominik Stolzenburg,Christian Tauber,Ping Tian,Antonio Tome,Nsikanabasi Silas Umo,Dongyu S. Wang,Yonghong Wang,Stefan K. Weber,Andre Welti,Marcel Zauner-Wieczorek,Urs Baltensperger,Richard C. Flagan,Armin Hansel,Jasper Kirkby,Markku Kulmala,Katrianne Lehtipalo,Douglas R. Worsnop,Imad El Haddad,Neil M. Donahue,Alexander L. Vogel,Andreas Kuerten,Joachim Curtius
Atmospheric chemistry and physicsno. 11 (2023): 6613-6631
Joschka Pfeifer,Naser G. A. Mahfouz, Benjamin C. Schulze,Serge Mathot,Dominik Stolzenburg,Rima Baalbaki,Zoe Brasseur,Lucia Caudillo,Lubna Dada,Manuel Granzin,Xu-Cheng He,Houssni Lamkaddam,Brandon Lopez,Vladimir Makhmutov,Ruby Marten,Bernhard Mentler,Tatjana Mueller,Antti Onnela,Maxim Philippov,Ana A. Piedehierro,Birte Rorup,Meredith Schervish,Ping Tian,Nsikanabasi S. Umo,Dongyu S. Wang,Mingyi Wang,Stefan K. Weber,Andre Welti,Yusheng Wu,Marcel Zauner-Wieczorek,Antonio Amorim,Imad El Haddad,Markku Kulmala,Katrianne Lehtipalo,Tuukka Petaja,Antonio Tome,Sander Mirme,Hanna E. Manninen,Neil M. Donahue,Richard C. Flagan,Andreas Kuerten,Joachim Curtius,Jasper Kirkby
ATMOSPHERIC CHEMISTRY AND PHYSICSno. 12 (2023): 6703-6718
PHYSICS OF FLUIDSno. 12 (2023)
Jasper Kirkby,António Amorim,Urs Baltensperger,Kenneth S. Carslaw,Theodoros Christoudias,Joachim Curtius,Neil M. Donahue,Imad El Haddad,Richard C. Flagan,Hamish Gordon,Armin Hansel,Hartwig Harder,Heikki Junninen,Markku Kulmala,Andreas Kürten,Ari Laaksonen,Katrianne Lehtipalo,Jos Lelieveld,Ottmar Möhler,Ilona Riipinen,Frank Stratmann,Antonio Tomé,Annele Virtanen,Rainer Volkamer,Paul M. Winkler,Douglas R. Worsnop
Nature Geoscienceno. 11 (2023): 948-957
Mingyi Wang,Mao Xiao,Barbara Bertozzi,Guillaume Marie,Birte Rorup,Benjamin Schulze,Roman Bardakov,Xu-Cheng He,Jiali Shen,Wiebke Scholz,Ruby Marten,Lubna Dada,Rima Baalbaki,Brandon Lopez,Houssni Lamkaddam,Hanna E. Manninen,Antonio Amorim,Farnoush Ataei,Pia Bogert,Zoe Brasseur,Lucia Caudillo,Louis-Philippe De Menezes,Jonathan Duplissy,Annica M. L. Ekman,Henning Finkenzeller,Loic Gonzalez Carracedo,Manuel Granzin,Roberto Guida,Martin Heinritzi,Victoria Hofbauer,Kristina Hohler,Kimmo Korhonen,Jordan E. Krechmer,Andreas Kuerten,Katrianne Lehtipalo,Naser G. A. Mahfouz,Vladimir Makhmutov,Dario Massabo,Serge Mathot, Roy L. Mauldin,Bernhard Mentler,Tatjana Muller,Antti Onnela,Tuukka Petaja,Maxim Philippov,Ana A. Piedehierro,Andrea Pozzer,Ananth Ranjithkumar,Meredith Schervish,Siegfried Schobesberger,Mario Simon,Yuri Stozhkov,Antonio Tome,Nsikanabasi Silas Umo,Franziska Vogel,Robert Wagner,Dongyu S. Wang,Stefan K. Weber,Andre Welti,Yusheng Wu,Marcel Zauner-Wieczorek,Mikko Sipila,Paul M. Winkler,Armin Hansel,Urs Baltensperger,Markku Kulmala,Richard C. Flagan,Joachim Curtius,Ilona Riipinen,Hamish Gordon,Jos Lelieveld,Imad El-Haddad,Rainer Volkamer,Douglas R. Worsnop,Theodoros Christoudias,Jasper Kirkby,Ottmar Moehler,Neil M. Donahue
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#Papers: 653
#Citation: 47308
H-Index: 110
G-Index: 199
Sociability: 8
Diversity: 0
Activity: 2
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