Spatial and Temporal Distribution of Rainfall in Pudukkottai District of Tamil Nadu

Abstract

Rainfall is one of the important climatic parameter influencing the cropping pattern, productivity, development of society and environmental factors of the particular region. It is an important to study the rainfall characteristic which includes the spatial and temporal variability of the adjudicating agriculture. It also projects the development and sustainability of agriculture. The present study is dealt with the rainfall characteristics of the rainfall of Pudukkottai districts which includes spatial and temporal distribution and variability through different seasons and precipitation ratio. The study is based on 32 years of daily rainfall data from 1980 to 2011 for 22 rain gauge stations located in Pudukkottai district. The study concludes that the very high rainfall of 1,125mm in the year 2008 received by the districts and 84.7% of the annual total average of the rainfall during the season of northeast and southwest monsoon. It also concludes that the experience of the high concentration of rainfall at south and southeastern parts of the districts and it experience of the low concentration of the rainfall at north and northeastern parts of the area where the study done.