Global warming will largely increase waste treatment CH4 emissions in Chinese megacities: insight from the first city-scale CH4 concentration observation network in Hangzhou, China
College of Biology and the Environment, Joint Center for Sustainable
Forestry in Southern China, Nanjing Forestry University, Nanjing 210037,
China
Collaborative Innovation Center on Forecast and Evaluation of
Meteorological Disasters (CIC-FEMD), Nanjing University of Information
Science & Technology, Nanjing 210044, China
Junqing Zhang
College of Biology and the Environment, Joint Center for Sustainable
Forestry in Southern China, Nanjing Forestry University, Nanjing 210037,
China
Hangzhou Meteorological Bureau, Hangzhou 310051, China
Xiaofei Xu
Zhejiang Lin'an Atmospheric Background National Observation and
Research Station, Hangzhou 311300, China
Haoyu Xiong
Zhejiang Innovative Institute of Carbon Neutrality, Zhejiang University of Technology, Hangzhou 310014, China
Huili Liu
College of Biology and the Environment, Joint Center for Sustainable
Forestry in Southern China, Nanjing Forestry University, Nanjing 210037,
China
Xinyue Ai
College of Biology and the Environment, Joint Center for Sustainable
Forestry in Southern China, Nanjing Forestry University, Nanjing 210037,
China
Yiyi Peng
College of Biology and the Environment, Joint Center for Sustainable
Forestry in Southern China, Nanjing Forestry University, Nanjing 210037,
China
Wei Xiao
Collaborative Innovation Center on Forecast and Evaluation of
Meteorological Disasters (CIC-FEMD), Nanjing University of Information
Science & Technology, Nanjing 210044, China
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We build the first city-scale tower-based atmospheric CH4 concentration observation network in China. The a priori total annual anthropogenic CH4 emissions and emissions from waste treatment were overestimated by 36.0 % and 47.1 %, respectively, in Hangzhou. Global warming will largely enhance the CH4 emission factor of waste treatment, which will increase by 17.6 %, 9.6 %, 5.6 % and 4.0 % for Representative Concentration Pathway (RCP) 8.5, RCP6.0, RCP4.5 and RCP2.6, respectively, by 2100.
We build the first city-scale tower-based atmospheric CH4 concentration observation network in...
