[A-AS08] Atmospheric Chemistry

[AAS08-18] Source Variations of Carbonaceous Aerosols at Chichijima Island: Insights from Dual Carbon Isotopes (¹³C, ¹⁴C) and Long-term Observations (1990-2021)

*SHAN LIU^1,2,3, Masao Uchida¹, Kanako Mantoku¹, Bhagawati Kunwar², Ambarish Pokhrel⁴, Chunmao Zhu⁵, Kimitaka Kawamura^2,4 (1. National Institute for Environmental Studies, Japan, 2. Chubu University, 3. Hubei Polytechnic University, 4. Hokkaido University, 5. Japan Agency for Marine-Earth Science and Technology)

Keywords:Radiocarbon, stable carbon isotope, Carbonaceous aerosols, Chichijima, Asian outflow, long-term observation