The potential role of organics in new particle formation and initial growth in the remote tropical upper troposphere

Kupc, Agnieszka; Williamson, Christina J.; Hodshire, Anna L.; Kazil, Jan; Ray, Eric; Bui, T. Paul; Dollner, Maximilian; Froyd, Karl D.; McKain, Kathryn; Rollins, Andrew; Schill, Gregory P.; Thames, Alexander; Weinzierl, Bernadett B.; Pierce, Jeffrey R.; Brock, Charles A.

doi:10.5194/acp-20-15037-2020

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The potential role of organics in new particle formation and initial growth in the remote tropical upper troposphere

2020
By Kupc, Agnieszka ; Williamson, Christina J. ; Hodshire, Anna L. ; ...
Source: Atmos. Chem. Phys., 20, 15037–15060, 2020

[PDF-3.10 MB]

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Details:

Journal Title:

Atmospheric Chemistry and Physics
Personal Author:

Kupc, Agnieszka ; Williamson, Christina J. ; Hodshire, Anna L. ; Kazil, Jan ; Ray, Eric ; ... More +

Kupc, Agnieszka ; Williamson, Christina J. ; Hodshire, Anna L. ; Kazil, Jan ; Ray, Eric ; Bui, T. Paul ; Dollner, Maximilian ; Froyd, Karl D. ; McKain, Kathryn ; Rollins, Andrew ; Schill, Gregory P. ; Thames, Alexander ; Weinzierl, Bernadett B. ; Pierce, Jeffrey R. ; Brock, Charles A. Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; CSL (Chemical Sciences Laboratory) ; GML (Global Monitoring Laboratory) ; CIRES (Cooperative Institute for Research in Environmental Sciences)

OAR (Oceanic and Atmospheric Research) ; CSL (Chemical Sciences Laboratory) ; GML (Global Monitoring Laboratory) ; CIRES (Cooperative Institute for Research in Environmental Sciences) Less -
Description:

Global observations and model studies indicate that new particle formation (NPF) in the upper troposphere (UT) and subsequent particles supply 40 %–60 % of cloud condensation nuclei (CCN) in the lower troposphere, thus affecting the Earth's radiative budget. There are several plausible nucleation mechanisms and precursor species in this atmospheric region, which, in the absence of observational constraints, lead to uncertainties in modeled aerosols. In particular, the type of nucleation mechanism and concentrations of nucleation precursors, in part, determine the spatial distribution of new particles and resulting spatial distribution of CCN from this source. Although substantial advances in understanding NPF have been made in recent years, NPF processes in the UT in pristine marine regions are still poorly understood and are inadequately represented in global models.
Keywords:

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Observations Ozone Radiation Troposphere
Source:

Atmos. Chem. Phys., 20, 15037–15060, 2020
DOI:

https://doi.org/10.5194/acp-20-15037-2020
Document Type:

Journal Article
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CC BY
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Submitted
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urn:sha256:1c6ab6cad08eb54eadca9078db2a0b2f0c648419016886edfcc801ee985eb7eb
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https://repository.library.noaa.gov/view/noaa/29369/noaa_29369_DS1.pdf
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