Changing trends and emissions of hydrochlorofluorocarbons (HCFCs) and their hydrofluorocarbon (HFCs) replacements

Peter G. Simmonds; Matthew Rigby; Archie McCulloch; Simon O'Doherty; Dickon Young; Jens Mühle; Paul B. Krummel; Paul Steele; Paul J. Fraser; Alistair J. Manning; Ray F. Weiss; Peter K. Salameh; Chris M. Harth; Ray H. J. Wang; Ronald G. Prinn

doi:10.5194/acp-17-4641-2017

Changing trends and emissions of hydrochlorofluorocarbons (HCFCs) and their hydrofluorocarbon (HFCs) replacements

Peter G. Simmonds, Matthew Rigby, Archie McCulloch, Simon O'Doherty, Dickon Young, Jens Mühle, Paul B. Krummel, Paul Steele, Paul J. Fraser, Alistair J. Manning, Ray F. Weiss, Peter K. Salameh, Chris M. Harth, Ray H. J. Wang, Ronald G. Prinn

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Abstract

High-frequency, in situ global observations of HCFC-22 (CHClF2), HCFC-141b (CH3CCl2F), HCFC-142b (CH3CClF2) and HCFC-124 (CHClFCF3) and their main HFC replacements, HFC-134a (CH2FCF3), HFC-125 (CHF2CF3), HFC-143a (CH3CF3) and HFC-32 (CH2F2), have been used to determine their changing global growth rates and emissions in response to the Montreal Protocol and its recent amendments. Global mean mole fractions of HCFC-22, -141b, and -142b have increased throughout the observation period, reaching 234, 24.3 and 22.4 pmol mol−1, respectively, in 2015. HCFC-124 reached a maximum global mean mole fraction of 1.48 pmol mol−1 in 2007 and has since declined by 23 % to 1.14 pmol mol−1 in 2015. The HFCs all show increasing global mean mole fractions. In 2015 the global mean mole fractions (pmol mol−1) were 83.3 (HFC-134a), 18.4 (HFC-125), 17.7 (HFC-143a) and 10.5 (HFC-32).

Original language	English
Pages (from-to)	4641-4655
Number of pages	15
Journal	Atmospheric Chemistry and Physics
Volume	17
Issue number	7
DOIs	https://doi.org/10.5194/acp-17-4641-2017
Publication status	Published - 10 Apr 2017

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10.5194/acp-17-4641-2017

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Verifying national HFC emissions
Rigby, M. L. (Principal Investigator)
4/08/15 → 31/08/22
Project: Research
Advanced computing architecture to support the estimation and reporting of UK GHG emissions
Rigby, M. L. (Principal Investigator)
13/11/13 → 13/10/15
Project: Research
Towards treaty verification of all non-CO2 greenhouse gasses - Dr Matthew Rigby
Rigby, M. L. (Principal Investigator)
1/01/12 → 31/12/16
Project: Research

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Simmonds, P. G., Rigby, M., McCulloch, A., O'Doherty, S., Young, D., Mühle, J., Krummel, P. B., Steele, P., Fraser, P. J., Manning, A. J., Weiss, R. F., Salameh, P. K., Harth, C. M., Wang, R. H. J., & Prinn, R. G. (2017). Changing trends and emissions of hydrochlorofluorocarbons (HCFCs) and their hydrofluorocarbon (HFCs) replacements. Atmospheric Chemistry and Physics, 17(7), 4641-4655. https://doi.org/10.5194/acp-17-4641-2017

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title = "Changing trends and emissions of hydrochlorofluorocarbons (HCFCs) and their hydrofluorocarbon (HFCs) replacements",

abstract = "High-frequency, in situ global observations of HCFC-22 (CHClF2), HCFC-141b (CH3CCl2F), HCFC-142b (CH3CClF2) and HCFC-124 (CHClFCF3) and their main HFC replacements, HFC-134a (CH2FCF3), HFC-125 (CHF2CF3), HFC-143a (CH3CF3) and HFC-32 (CH2F2), have been used to determine their changing global growth rates and emissions in response to the Montreal Protocol and its recent amendments. Global mean mole fractions of HCFC-22, -141b, and -142b have increased throughout the observation period, reaching 234, 24.3 and 22.4 pmol mol−1, respectively, in 2015. HCFC-124 reached a maximum global mean mole fraction of 1.48 pmol mol−1 in 2007 and has since declined by 23 % to 1.14 pmol mol−1 in 2015. The HFCs all show increasing global mean mole fractions. In 2015 the global mean mole fractions (pmol mol−1) were 83.3 (HFC-134a), 18.4 (HFC-125), 17.7 (HFC-143a) and 10.5 (HFC-32).",

author = "Simmonds, {Peter G.} and Matthew Rigby and Archie McCulloch and Simon O'Doherty and Dickon Young and Jens M{\"u}hle and Krummel, {Paul B.} and Paul Steele and Fraser, {Paul J.} and Manning, {Alistair J.} and Weiss, {Ray F.} and Salameh, {Peter K.} and Harth, {Chris M.} and Wang, {Ray H. J.} and Prinn, {Ronald G.}",

year = "2017",

month = apr,

day = "10",

doi = "10.5194/acp-17-4641-2017",

language = "English",

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pages = "4641--4655",

journal = "Atmospheric Chemistry and Physics",

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Simmonds, PG, Rigby, M, McCulloch, A, O'Doherty, S, Young, D, Mühle, J, Krummel, PB, Steele, P, Fraser, PJ, Manning, AJ, Weiss, RF, Salameh, PK, Harth, CM, Wang, RHJ & Prinn, RG 2017, 'Changing trends and emissions of hydrochlorofluorocarbons (HCFCs) and their hydrofluorocarbon (HFCs) replacements', Atmospheric Chemistry and Physics, vol. 17, no. 7, pp. 4641-4655. https://doi.org/10.5194/acp-17-4641-2017

TY - JOUR

T1 - Changing trends and emissions of hydrochlorofluorocarbons (HCFCs) and their hydrofluorocarbon (HFCs) replacements

AU - Simmonds, Peter G.

AU - Rigby, Matthew

AU - McCulloch, Archie

AU - O'Doherty, Simon

AU - Young, Dickon

AU - Mühle, Jens

AU - Krummel, Paul B.

AU - Steele, Paul

AU - Fraser, Paul J.

AU - Manning, Alistair J.

AU - Weiss, Ray F.

AU - Salameh, Peter K.

AU - Harth, Chris M.

AU - Wang, Ray H. J.

AU - Prinn, Ronald G.

PY - 2017/4/10

Y1 - 2017/4/10

N2 - High-frequency, in situ global observations of HCFC-22 (CHClF2), HCFC-141b (CH3CCl2F), HCFC-142b (CH3CClF2) and HCFC-124 (CHClFCF3) and their main HFC replacements, HFC-134a (CH2FCF3), HFC-125 (CHF2CF3), HFC-143a (CH3CF3) and HFC-32 (CH2F2), have been used to determine their changing global growth rates and emissions in response to the Montreal Protocol and its recent amendments. Global mean mole fractions of HCFC-22, -141b, and -142b have increased throughout the observation period, reaching 234, 24.3 and 22.4 pmol mol−1, respectively, in 2015. HCFC-124 reached a maximum global mean mole fraction of 1.48 pmol mol−1 in 2007 and has since declined by 23 % to 1.14 pmol mol−1 in 2015. The HFCs all show increasing global mean mole fractions. In 2015 the global mean mole fractions (pmol mol−1) were 83.3 (HFC-134a), 18.4 (HFC-125), 17.7 (HFC-143a) and 10.5 (HFC-32).

AB - High-frequency, in situ global observations of HCFC-22 (CHClF2), HCFC-141b (CH3CCl2F), HCFC-142b (CH3CClF2) and HCFC-124 (CHClFCF3) and their main HFC replacements, HFC-134a (CH2FCF3), HFC-125 (CHF2CF3), HFC-143a (CH3CF3) and HFC-32 (CH2F2), have been used to determine their changing global growth rates and emissions in response to the Montreal Protocol and its recent amendments. Global mean mole fractions of HCFC-22, -141b, and -142b have increased throughout the observation period, reaching 234, 24.3 and 22.4 pmol mol−1, respectively, in 2015. HCFC-124 reached a maximum global mean mole fraction of 1.48 pmol mol−1 in 2007 and has since declined by 23 % to 1.14 pmol mol−1 in 2015. The HFCs all show increasing global mean mole fractions. In 2015 the global mean mole fractions (pmol mol−1) were 83.3 (HFC-134a), 18.4 (HFC-125), 17.7 (HFC-143a) and 10.5 (HFC-32).

U2 - 10.5194/acp-17-4641-2017

DO - 10.5194/acp-17-4641-2017

M3 - Article (Academic Journal)

SN - 1680-7316

VL - 17

SP - 4641

EP - 4655

JO - Atmospheric Chemistry and Physics

JF - Atmospheric Chemistry and Physics

IS - 7

ER -

Changing trends and emissions of hydrochlorofluorocarbons (HCFCs) and their hydrofluorocarbon (HFCs) replacements

Abstract

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Projects

Verifying national HFC emissions

Advanced computing architecture to support the estimation and reporting of UK GHG emissions

Towards treaty verification of all non-CO2 greenhouse gasses - Dr Matthew Rigby

Cite this