JpGU-AGU Joint Meeting 2026

Presentation information

[E] Oral

A (Atmospheric and Hydrospheric Sciences ) » A-AS Atmospheric Sciences, Meteorology & Atmospheric Environment

[A-AS08] Atmospheric Chemistry

Fri. May 29, 2026 9:00 AM - 10:30 AM 105 (International Conference Hall, Makuhari Messe)

Chairperson:Umezawa Taku(Tohoku University)

9:45 AM - 10:00 AM

[AAS08-09] Seasonal and latitudinal variations in the atmospheric Ar/N2 ratio and comparison with atmospheric transport model simulations based on air–sea heat fluxes

*Shigeyuki Ishidoya1, Kentaro Ishijima2,3, Yasunori Tohjima4, Daisuke Goto5, Kazuhiro Tsuboi2,3, Satoshi Sugawara6, Yosuke Niwa4, Hiroyuki Tsujino3, Shinji Morimoto7, Yukio Terao4, Hideki Nara4, Nobuyuki Aoki1, Motoki Sasakawa4, Shin-ichiro Nakaoka4 (1. National Institute of Advanced Industrial Science and Technology (AIST), 2. Japan Meteorological Agency, 3. Meteorological Research Institute, 4. National Institute for Environmental Studies, 5. National Institute of Polar Research, 6. Miyagi University of Education, 7. Tohoku University )

Keywords:Atmospheric Ar/N2 ratio, air–sea heat flux, Atmospheric Potential Oxygen (APO)