[A-AS11] Atmospheric Chemistry

11:00 AM - 1:00 PM

[AAS11-P01] Vertical profiles of halocarbons in the stratosphere over Japan in 2020 and implications for the “mean age” of the stratospheric air

*Shoko Hikichi¹, Shinji Morimoto¹, Taku Umezawa², Takuya Saito², Sakae Toyoda³, Satoshi Sugawara⁴, Shigeyuki Ishidoya⁵, Hideyuki Honda¹, Shuji Aoki¹ (1.Graduate School of Science, Tohoku University, 2.National Institute for Environmental Studies, 3.Tokyo Institute of Technology, 4.Miyagi University of Education, 5.National Institute of Advanced Industrial Science and Technology)

11:00 AM - 1:00 PM

[AAS11-P06] Variations of partial pressure of CO2 in surface seawater and air-sea CO2 flux in the Southern Ocean

*Takayuki Matsuura¹, Gen Hashida², Shinji Morimoto¹, Shin-ichiro Nakaoka³, Shuji Aoki¹ (1.Tohoku Univ., 2.National Institute of Polar Research, 3.National Institute of Environmental Studies)

Thu. May 26, 2022 10:45 AM - 12:15 PM 301B (International Conference Hall, Makuhari Messe)

[J] Oral
| A (Atmospheric and Hydrospheric Sciences )
| A-CC Cryospheric Sciences & Cold District Environment

[A-CC29] Ice cores and paleoenvironmental modeling

11:45 AM - 12:00 PM

[ACC29-11] Towards reconstructing the Arctic atmospheric methane history over the 20th century: measurement and modeling results for the NGRIP firn

*Taku Umezawa¹, Satoshi Sugawara², Kenji Kawamura^3,4,5, Ikumi Oyabu³, Stephen Andrews^1,6, Takuya Saito¹, Shuji Aoki⁷, Takakiyo Nakazawa⁷ (1.National Institute for Environmental Studies, 2.Miyagi University of Education, 3.National Institute of Polar Research, 4.The Graduate University of Advanced Studies (SOKENDAI), 5.Japan Agency for Marine Science and Technology, 6.University of York, 7.Tohoku University)

Fri. May 27, 2022 9:00 AM - 10:30 AM 304 (International Conference Hall, Makuhari Messe)

[J] Oral
| M (Multidisciplinary and Interdisciplinary)
| M-IS Intersection

[M-IS18] Paleoclimatology and paleoceanography

9:00 AM - 9:15 AM

[MIS18-11] The Dome Fuji ice core DF2021 chronology (0 – 200 kyr BP)

*Ikumi Oyabu¹, Kenji Kawamura^1,2,3, Christo Buizert⁴, Frédéric Parrenin⁵, Anais Orsi⁶, Kyotaro Kitamura¹, Shuji Aoki⁷, Takakiyo Nakazawa⁷ (1.National Institute of Polar Research, Research Organization of Information and Systems, 2.The Graduate University of Advanced Studies (SOKENDAI), 3.Japan Agency for Marine Science and Technology, 4.Oregon State University, USA, 5.Institut des Géosciences de l'Environnement, Université Grenoble Alpes, France, 6.Laboratoire des Sciences du Climat et de l'Environnement, Université Paris-Saclay, France, 7.Tohoku University)