Authors:P. Guruswamy Goud, S. Priyanka, J. Anves
Abstract:Spatiotemporal representation had greater variance and improved the identification of regional heterogeneity of trend and variability compared with gauge station data. The amount of annual rainfall received is higher in the western part of the basin than in the central and southeastern parts of the basin. Rainfall is a crucial component of the hydrological cycle and is severely affected due to Global warming. In the present study, Spatio - Temporal variability of rainfall for Annual, Winter, Summer, Monsoon and Post Monsoon seasons is done for Krishna District, A.P. Spatial interpolation technique (Inverse Distance Weight) for five-year interval (1999-2004, 2004-2009, 2009-2014, 2014-2019) is considered for the study. It is observed that Upper portion of the district shows higher amount of rainfall as compared to lower. Rainfall occurrence is more in Northeast portion of the district during Monsoon for all years. These findings suggest the importance of selecting the spatial distribution of rainfall magnitudes at the chosen time scales.
Keywords: Hydrological, Rainfall, Monsoon, Spatial, Temporal.
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