A GENERAL FORMULATION FOR RAINDROP SIZE DISTRIBUTION

A general phenomenological formulation for drop size distribution (DSD ), written down as a scaling law, is proposed. It accounts for all pre vious fitted DSDs. As a main implication of the expression proposed, t he integral rainfall variables are related by power functions and agre e with experimental evidence. Additional consequences are also analyze d. From this formulation there follows a general methodology for scali ng all data in a unique plot, leading to more robust fits of the DSD. An illustrative example on real data is provided.