Characterization of aerosol loading in urban and suburban locations: Impact on atmospheric extinction. - Onyeuwaoma, Nnaemeka Dom; Chineke, Theo Chidiezie; Nwofor, Okeychukwu Kelechi; Crandell, Ian; Awe, Olushina Olawale; Olasumbo, Ajileye; Opara, Alex I; Pius, Nwachukwu; Tochukwu, Mba; Joy, Nwachukwu (Cogent Environmental Science, 2018)