TY - JOUR A1 - Wespes, C. A1 - Hurtmans, D. A1 - Clerbaux, C. A1 - Boynard, A. A1 - Coheur, P.-F. T1 - Decrease in tropospheric O3 levels of the Northern Hemisphere observed by IASI JO - Atmos. Chem. Phys. Discuss. J1 - ACPD VL - 2017 SP - 1 EP - 33 Y1 - 2017/11/23 PB - Copernicus Publications SN - 1680-7375 UR - https://acp.copernicus.org/preprints/acp-2017-904/ L1 - https://acp.copernicus.org/preprints/acp-2017-904/acp-2017-904.pdf DO - 10.5194/acp-2017-904 ER -