Variability of Rainfall and the Cropping Season of a Tropical Dry Zone River Basin: A Case Study in the Malwathu Oya River Basin in Sri Lanka. - Abeysingha, N. S.; Arachchige, S. D. Madurapperuma; Ray, Ram L.; Muthuwatta, L. P.; Marzuki, Marzuki (Advances in Meteorology, 2025)