Changes in springtime tropospheric ozone at Mt. Happo from 1998 to 2016, linked to Asian emissions and North Pacific climate
Sachiko Okamoto1, Hiroshi Tanimoto2, Nagio Hirota3, Kohei Ikeda4 and Hajime Akimoto3, (1)Laboratoire Inter-universitaire des Systèmes Atmosphériques (LISA), UMR CNRS 7583, Université Paris-Est Créteil, Université de Paris, Institut Pierre Simon Laplace (IPSL), Créteil, France, (2)National Institute of Environmental Studies, Ibaraki, Japan, (3)NIES National Institute of Environmental Studies, Ibaraki, Japan, (4)National Institute of Environmental Studies (NIES), Ibaraki, Japan