A New Aerosol Dry Deposition Model for Air Quality and Climate Modeling

Pleim, Jonathan E.; Ran, Limei; Saylor, Rick D.; Willison, Jeff; Binkowski, Francis S.

doi:10.1029/2022ms003050

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i

A New Aerosol Dry Deposition Model for Air Quality and Climate Modeling

2022
By Pleim, Jonathan E. ; Ran, Limei ; Saylor, Rick D. ; ...
Source: Journal of Advances in Modeling Earth Systems, 14(11)

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Journal Title:

Journal of Advances in Modeling Earth Systems
Personal Author:

Pleim, Jonathan E. ; Ran, Limei ; Saylor, Rick D. ; Willison, Jeff ; Binkowski, Francis S.

Pleim, Jonathan E. ; Ran, Limei ; Saylor, Rick D. ; Willison, Jeff ; Binkowski, Francis S. Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; ARL (Air Resources Laboratory)

OAR (Oceanic and Atmospheric Research) ; ARL (Air Resources Laboratory) Less -
Description:

Dry deposition of aerosols from the atmosphere is an important but poorly understood and inadequately modeled process in atmospheric systems for climate and air quality. Comparisons of currently used aerosol dry deposition models to a compendia of published field measurement studies in various landscapes show very poor agreement over a wide range of particle sizes. In this study, we develop and test a new aerosol dry deposition model that is a modification of the current model in the Community Multiscale Air Quality (CMAQ) model. The new model agrees much better with measured dry deposition velocities across particle sizes. The key innovation is the addition of a second inertial impaction term for microscale
Keywords:

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Environmental Chemistry General Earth And Planetary Sciences Global And Planetary Change
Source:

Journal of Advances in Modeling Earth Systems, 14(11)
DOI:

https://doi.org/10.1029/2022ms003050
ISSN:

1942-2466;1942-2466;
Format:

PDF
Publisher:

American Geophysical Union (AGU)
Document Type:

Journal Article
License:

https://creativecommons.org/licenses/by-nc-nd/4.0/
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CC BY-NC-ND
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Library
Main Document Checksum:

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urn:sha256:4a097af205acfdd329a2dfad241800fb76f752523d2c935600ea7d150f32cb3a
Download URL:

https://repository.library.noaa.gov/view/noaa/54375/noaa_54375_DS1.pdf
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