Historical and projected emissions of major halocarbons in China |
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| Authors: | Dan Wan Jianhua Xu Jianbo Zhang Xuanchang Tong Jianxin Hu |
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| Institution: | 1. Longfengshan Regional Background Station, China Meteorological Administration (CMA), Heilongjiang, China;2. Meteorological Observation Center (MOC) of China Meteorological Administration (CMA), Beijing, China;3. College of Life and Environmental Sciences, Minzu University of China, Beijing, China;4. Laboratory for Air Pollution and Environmental Technology, Swiss Federal Laboratories for Materials Science and Technology (Empa), Dübendorf, Switzerland;5. State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Chinese Academy of Sciences, Institute of Atmospheric Physics, Beijing, China;6. State Key Laboratory of Severe Weather & Key Laboratory of Atmospheric Chemistry of China Meteorological Administration (CMA), Chinese Academy of Meteorological Sciences (CAMS), Beijing, China;7. Zhejiang Institute of Meteorological Sciences, Hangzhou, China;8. Atmospheric Chemistry Research Group, University of Bristol, Bristol, UK;1. Department of Geological Sciences, Stockholm University, Svante Arrhenius väg 8, 106 91 Stockholm, Sweden;2. Bolin Centre for Climate Research, Stockholm University, Svante Arrhenius väg 8, 106 91 Stockholm, Sweden;3. Department of Analytical Chemistry and Environmental Science, Stockholm University, Stockholm University, Svante Arrhenius väg 8, 106 91 Stockholm, Sweden |
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| Abstract: | The halocarbons studied here are chemicals controlled in the 1987 Montreal Protocol on Substances that Deplete the Ozone Layer and its Amendments, which have both high ozone depleting potentials (ODPs) and high global warming potentials (GWPs). These halocarbons are mainly used for refrigeration, air-conditioning, foam blowing, tobacco expansion, aerosol propulsion, solvent cleaning, and fire fighting. China ratified the Montreal Protocol in 1991 and has been implementing the phase-out of halocarbons since then. In this paper, the emissions of halocarbons from China were estimated for 1995–2024 based on the historical consumption, the country program for complying with the Montreal Protocol, and the sector plans for phasing out halocarbons. The results show that China's compliance with the Montreal Protocol contributes greatly to both ozone protection and climate protection. |
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