Cold Air Outbreaks Promote New Particle Formation Off the U.S. East Coast

Andrea F. Corral; Yonghoon Choi; Ewan Crosbie; Hossein Dadashazar; Joshua P. DiGangi; Glenn S. Diskin; Marta Fenn; David B. Harper; Simon Kirschler; Hongyu Liu; Richard H. Moore; John B. Nowak; Amy Jo Scarino; Shane Seaman; Taylor Shingler; Michael A. Shook; Kenneth L. Thornhill; Christiane Voigt; Bo Zhang; Luke D. Ziemba; Armin Sorooshian

doi:10.1029/2021GL096073

Cold Air Outbreaks Promote New Particle Formation Off the U.S. East Coast

Andrea F. Corral, Yonghoon Choi, Ewan Crosbie, Hossein Dadashazar, Joshua P. DiGangi, Glenn S. Diskin, Marta Fenn, David B. Harper, Simon Kirschler, Hongyu Liu, Richard H. Moore, John B. Nowak, Amy Jo Scarino, Shane Seaman, Taylor Shingler, Michael A. Shook, Kenneth L. Thornhill, Christiane Voigt, Bo Zhang, Luke D. ZiembaArmin Sorooshian

Research output: Contribution to journal › Article › peer-review

19 Scopus citations

Abstract

New particle formation (NPF) is the dominant contributor to total particle number concentration and plays an important role in the cloud condensation nuclei budget. Airborne data from Aerosol Cloud meTeorology Interactions oVer the western ATlantic Experiment (ACTIVATE) are used to address seasonal NPF statistics and factors related to NPF in and around clouds. Higher ratios of particle concentrations greater than 3 versus 10 nm (N₃/N₁₀) were mainly observed above boundary layer cloud tops during winter as compared to summer. Cold dry air and low aerosol surface area concentration facilitate NPF over the ACTIVATE region; these conditions are especially prevalent during flights coinciding with cold air outbreaks.

Original language	English (US)
Article number	e2021GL096073
Journal	Geophysical Research Letters
Volume	49
Issue number	5
DOIs	https://doi.org/10.1029/2021GL096073
State	Published - Mar 16 2022

Keywords

ACTIVATE
aerosol-cloud interactions
cold air outbreak
new particle formation
nucleation

ASJC Scopus subject areas

Geophysics
General Earth and Planetary Sciences

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10.1029/2021GL096073

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Corral, A. F., Choi, Y., Crosbie, E., Dadashazar, H., DiGangi, J. P., Diskin, G. S., Fenn, M., Harper, D. B., Kirschler, S., Liu, H., Moore, R. H., Nowak, J. B., Scarino, A. J., Seaman, S., Shingler, T., Shook, M. A., Thornhill, K. L., Voigt, C., Zhang, B., ... Sorooshian, A. (2022). Cold Air Outbreaks Promote New Particle Formation Off the U.S. East Coast. Geophysical Research Letters, 49(5), Article e2021GL096073. https://doi.org/10.1029/2021GL096073

Corral, AF, Choi, Y, Crosbie, E, Dadashazar, H, DiGangi, JP, Diskin, GS, Fenn, M, Harper, DB, Kirschler, S, Liu, H, Moore, RH, Nowak, JB, Scarino, AJ, Seaman, S, Shingler, T, Shook, MA, Thornhill, KL, Voigt, C, Zhang, B, Ziemba, LD & Sorooshian, A 2022, 'Cold Air Outbreaks Promote New Particle Formation Off the U.S. East Coast', Geophysical Research Letters, vol. 49, no. 5, e2021GL096073. https://doi.org/10.1029/2021GL096073

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abstract = "New particle formation (NPF) is the dominant contributor to total particle number concentration and plays an important role in the cloud condensation nuclei budget. Airborne data from Aerosol Cloud meTeorology Interactions oVer the western ATlantic Experiment (ACTIVATE) are used to address seasonal NPF statistics and factors related to NPF in and around clouds. Higher ratios of particle concentrations greater than 3 versus 10 nm (N3/N10) were mainly observed above boundary layer cloud tops during winter as compared to summer. Cold dry air and low aerosol surface area concentration facilitate NPF over the ACTIVATE region; these conditions are especially prevalent during flights coinciding with cold air outbreaks.",

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AU - DiGangi, Joshua P.

AU - Diskin, Glenn S.

AU - Fenn, Marta

AU - Harper, David B.

AU - Kirschler, Simon

AU - Liu, Hongyu

AU - Moore, Richard H.

AU - Nowak, John B.

AU - Scarino, Amy Jo

AU - Seaman, Shane

AU - Shingler, Taylor

AU - Shook, Michael A.

AU - Thornhill, Kenneth L.

AU - Voigt, Christiane

AU - Zhang, Bo

AU - Ziemba, Luke D.

AU - Sorooshian, Armin

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AB - New particle formation (NPF) is the dominant contributor to total particle number concentration and plays an important role in the cloud condensation nuclei budget. Airborne data from Aerosol Cloud meTeorology Interactions oVer the western ATlantic Experiment (ACTIVATE) are used to address seasonal NPF statistics and factors related to NPF in and around clouds. Higher ratios of particle concentrations greater than 3 versus 10 nm (N3/N10) were mainly observed above boundary layer cloud tops during winter as compared to summer. Cold dry air and low aerosol surface area concentration facilitate NPF over the ACTIVATE region; these conditions are especially prevalent during flights coinciding with cold air outbreaks.

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KW - cold air outbreak

KW - new particle formation

KW - nucleation

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Cold Air Outbreaks Promote New Particle Formation Off the U.S. East Coast

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