| Title: |
A renewed rise in global HCFC-141b emissions between 2017–2021 |
| Authors: |
Western, Luke M; Redington, Alison L; Manning, Alistair J; Trudinger, Cathy M; Hu, Lei; Henne, Stephan; Fang, Xuekun; Kuijpers, Lambert JM; Theodoridi, Christina; Godwin, David S; Arduini, Jgor; Dunse, Bronwyn; Engel, Andreas; Fraser, Paul J; Harth, Christina M; Krummel, Paul B; Maione, Michela; Mühle, Jens; O'Doherty, Simon; Park, Hyeri; Park, Sunyoung; Reimann, Stefan; Salameh, Peter K; Say, Daniel; Schmidt, Roland; Schuck, Tanja; Siso, Carolina; Stanley, Kieran M; Vimont, Isaac; Vollmer, Martin K; Young, Dickon; Prinn, Ronald G; Weiss, Ray F; Montzka, Stephen A; Rigby, Matthew |
| Source: |
Atmospheric Chemistry and Physics, vol 22, iss 14 |
| Publisher Information: |
eScholarship, University of California |
| Publication Year: |
2022 |
| Collection: |
University of California: eScholarship |
| Subject Terms: |
37 Earth Sciences (for-2020); 3701 Atmospheric Sciences (for-2020); 13 Climate Action (sdg); 0201 Astronomical and Space Sciences (for); 0401 Atmospheric Sciences (for); Meteorology & Atmospheric Sciences (science-metrix); 3702 Climate change science (for-2020) |
| Time: |
9601 - 9616 |
| Description: |
Global emissions of the ozone-depleting gas HCFC-141b (1,1-dichloro-1-fluoroethane, CH3CCl2F) derived from measurements of atmospheric mole fractions increased between 2017 and 2021 despite a fall in reported production and consumption of HCFC-141b for dispersive uses. HCFC-141b is a controlled substance under the Montreal Protocol, and its phase-out is currently underway, after a peak in reported consumption and production in developing (Article 5) countries in 2013. If reported production and consumption are correct, our study suggests that the 2017-2021 rise is due to an increase in emissions from the bank when appliances containing HCFC-141b reach the end of their life, or from production of HCFC-141b not reported for dispersive uses. Regional emissions have been estimated between 2017-2020 for all regions where measurements have sufficient sensitivity to emissions. This includes the regions of northwestern Europe, east Asia, the United States and Australia, where emissions decreased by a total of 2.3 ± 4.6 Ggyr-1, compared to a mean global increase of 3.0 ± 1.2 Ggyr-1 over the same period. Collectively these regions only account for around 30% of global emissions in 2020. We are not able to pinpoint the source regions or specific activities responsible for the recent global emission rise. |
| Document Type: |
article in journal/newspaper |
| File Description: |
application/pdf |
| Language: |
unknown |
| Relation: |
qt2d29k9hv; https://escholarship.org/uc/item/2d29k9hv; https://escholarship.org/content/qt2d29k9hv/qt2d29k9hv.pdf |
| DOI: |
10.5194/acp-22-9601-2022 |
| Availability: |
https://escholarship.org/uc/item/2d29k9hv; https://escholarship.org/content/qt2d29k9hv/qt2d29k9hv.pdf; https://doi.org/10.5194/acp-22-9601-2022 |
| Rights: |
CC-BY |
| Accession Number: |
edsbas.ACBBBDFF |
| Database: |
BASE |