Reactive uptake coefficients for multiphase reactions determined by a dynamic chamber system

Li, Guo; Su, Hang; Li, Meng; Kuhn, Uwe; Zheng, Guangjie; Han, Lei; Bao, Fengxia; Pöschl, Ulrich; Cheng, Yafang

doi:10.5194/amt-15-6433-2022

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Reactive uptake coefficients for multiphase reactions determined by a dynamic chamber system

2022
By Li, Guo ; Su, Hang ; Li, Meng ; ...
Source: Atmospheric Measurement Techniques, 15(21), 6433-6446

[PDF-4.16 MB]

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Journal Title:

Atmospheric Measurement Techniques
Personal Author:

Li, Guo ; Su, Hang ; Li, Meng ; Kuhn, Uwe ; Zheng, Guangjie ; ... More +

Li, Guo ; Su, Hang ; Li, Meng ; Kuhn, Uwe ; Zheng, Guangjie ; Han, Lei ; Bao, Fengxia ; Pöschl, Ulrich ; Cheng, Yafang Less -
NOAA Program & Office:

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

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

Dynamic flow-through chambers are frequently used to measure gas exchange rates between the atmosphere and biosphere on the Earth's surface such as vegetation and soils. Here, we explore the performance of a dynamic chamber system in determining the uptake coefficient γ of exemplary gases (O3 and SO2) on bulk solid-phase samples. After characterization of the dynamic chamber system, the derived γ is compared with that determined from a coated-wall flow tube system. Our results show that the dynamic chamber system and the flow tube method show a good agreement for γin the range of 10−8 to 10−3. The dynamic chamber technique can be used for liquid samples and real atmospheric aerosol samples without complicated coating procedures, which complements the existing techniques in atmospheric kinetic studies.
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Atmospheric Science
Source:

Atmospheric Measurement Techniques, 15(21), 6433-6446
DOI:

https://doi.org/10.5194/amt-15-6433-2022
ISSN:

1867-8548
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PDF
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Copernicus GmbH
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Journal Article
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https://creativecommons.org/licenses/by/4.0/
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CC BY
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urn:sha256:5801b17c8c276eb3b901c73d03e8d1e3f9d7bf81e1e863ecd3eb202d5b830390
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https://repository.library.noaa.gov/view/noaa/53839/noaa_53839_DS1.pdf
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Reactive uptake coefficients for multiphase reactions determined by a dynamic chamber system

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