In this paper. we model the multi-layer vertical underwater link as a cascaded channel and unify the performance analysis for the underwater optical communication (UWOC) system using generalized Gamma (GG). exponential GG (EGG). exponentiated Weibull (EW). https://www.spidertattooz.com/Veuve-Ambal-Rose-Cremant-de-Bourgogne-750ml/