Saturday, March 22, 2025

Regional differences in CO2 concentrations in China and Yonaguni Island - 2020s

Regional differences in CO2 concentrations in China and Yonaguni Island - 2020s

In the 2020s, Chinese CO2 emissions have a significant impact on Yonaguni Island (Okinawa Prefecture) and Hateruma Island. Especially in winter, East Asian monsoons carry CO2 and methane from Chinese coal combustion, which has been observed on these islands. during the COVID-19 pandemic in 2020, CO2 emissions temporarily decreased by 32% due to China's lockdown, but increased rapidly after economic activity resumed, and by 2021 In 2021, China as a whole emitted 15.3 gigatons of CO2. Coal consumption has increased, especially in the port of Nantong in Jiangsu Province, where power generation and cement production are expanding. These data are the basis for real-time monitoring of fossil fuel emissions in China to assess the impact of industrial activity and electricity demand on emissions in the islands of Japan.

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