Dr. Bloomy Joseph, Koshy P.S.
Abstract: The aim of this paper is to establish a mathematical relationship between the monthly period of a water year and the cumulative rainfall at the three Rain Gauge Stations of the Pamba basin. The data considered for calibration in the monthly rainfall for five years from 2009-10 to 2013-14 and the three rain gauge station considered are namely Moozhiyar, Ullumkal and CUMI-Maniyar. As the basin consists of a cascade power generation system with an Irrigation project at its tail end, the study contributes much in the scheduling of these projects operations.
Keywords: Rainfall, Rain gauge station, Hydrologic cycle, Runoff, Reservoir, River basin