Global warming potential estimates for the C1–C3 hydrochlorofluorocarbons (HCFCs) included in the Kigali Amendment to the Montreal Protocol

Papanastasiou, Dimitrios K.; Beltrone, Allison; Marshall, Paul; Burkholder, James B.

doi:10.5194/acp-18-6317-2018

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Global warming potential estimates for the C1–C3 hydrochlorofluorocarbons (HCFCs) included in the Kigali Amendment to the Montreal Protocol

2018
By Papanastasiou, Dimitrios K. ; Beltrone, Allison ; Marshall, Paul ; ...
Source: Atmos. Chem. Phys., 18, 6317–6330, 2018

[PDF-1.34 MB]

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Journal Title:

Atmospheric Chemistry and Physics
Personal Author:

Papanastasiou, Dimitrios K. ; Beltrone, Allison ; Marshall, Paul ; Burkholder, James B.

Papanastasiou, Dimitrios K. ; Beltrone, Allison ; Marshall, Paul ; Burkholder, James B. Less -
NOAA Program & Office:

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

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

Hydrochlorofluorocarbons (HCFCs) are ozone depleting substances and potent greenhouse gases that are controlled under the Montreal Protocol. However, the majority of the 274 HCFCs included in Annex C of the protocol do not have reported global warming potentials (GWPs) which are used to guide the phaseout of HCFCs and the future phase down of hydrofluorocarbons (HFCs). In this study, GWPs for all C1–C3 HCFCs included in Annex C are reported based on estimated atmospheric lifetimes and theoretical methods used to calculate infrared absorption spectra. Atmospheric lifetimes were estimated from a structure activity relationship (SAR) for OH radical reactivity and estimated O(1D) reactivity and UV photolysis loss processes. The C1–C3 HCFCs display a wide range of lifetimes (0.3 to 62 years) and GWPs (5 to 5330, 100-year time horizon) dependent on their molecular structure and the H-atom content of the individual HCFC. The results from this study provide estimated policy-relevant GWP metrics for the HCFCs included in the Montreal Protocol in the absence of experimentally derived metrics.
Keywords:

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Chlorofluorocarbons Climate Change
Source:

Atmos. Chem. Phys., 18, 6317–6330, 2018
DOI:

https://doi.org/10.5194/acp-18-6317-2018
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Journal Article
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CC BY
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Submitted
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urn:sha256:8f420460b227066f9f7b90380fbfb6f77344215e01e4d46fa701f12bdc6a0c3a
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Global warming potential estimates for the C1–C3 hydrochlorofluorocarbons (HCFCs) included in the Kigali Amendment to the Montreal Protocol

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