Perera, N. D. R.; Liyanage, U. P.; Erand, K. K. W. H.; Perera, S. S. N.
(Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)
The Kelani River Basin supports more than 25% of Sri Lanka’s population, including the
Colombo metropolitan area. Due to climate change, irregular monsoons, and rapid
urbanization, over 1.2 million people downstream ...