Decreasing Lower Tropospheric Ozone over the North China Plain Observed by IASI: Looking for Explanations

Gaëlle Dufour1, Maxim Eremenko1, Mathieu Lachâtre1, Didier Hauglustaine2, Audrey Fortems-Cheiney1, Juan Cuesta1, Yuli Zhang3, Zhaonan Cai3, Yi Liu3, Xiaobin Xu4, Weili Lin5 and Owen R Cooper6, (1)Laboratoire Inter-universitaire des Systèmes Atmosphériques (LISA), UMR7583, Universités Paris-Est Créteil et Paris Diderot, CNRS, Créteil, France, (2)LSCE Laboratoire des Sciences du Climat et de l'Environnement, Gif-Sur-Yvette Cedex, France, (3)IAP Insititute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China, (4)CAMS Chinese Academy of Meteorological Sciences, Beijing, China, (5)Meteorological Observation Center, China Meteorological Administration, Beijing, China, (6)CIRES, U. of Colorado, NOAA-ESRL, Boulder, CO, United States