Yves Wilfried Pomalegni¹, Casimir DA-Allada^1,2,3, Awo Mesmin¹, Zacharie Sohou³, Ezinvi Baloïtcha¹ and Simone Tilmes⁴, (1)CIPMA, Cotonou, Benin, (2)UNSTIM, Abomey, Benin, (3)IRHOB, Cotonou, Benin, (4)National Center for Atmospheric Research, Atmospheric Chemistry, Observations, and Modeling Laboratory, Boulder, CO, United States