RAINFALL TREND ANALYSIS USING NON PARAMETRIC TEST AND SATELLITE DATA OF PAURI GARHWAL DISTRICT OF UTTARAKHAND, INDIA

The objective was to study seasonal trend in rainfall data. Monthly rainfall data of 40 year (1980 to 2019) was used to calculate seasonal trend using Mann-Kendall non parametric test at 5% level of significance. The year was divided into four season as winter season, pre-monsoon season, monsoon season and post-monsoon season as per Indian Metrological Department (IMD) guidelines. Sen Slope estimator was used to calculate magnitude of trend at 5% level of significance. The result show that the winter season has significant increasing trend whereas post-monsoon show significant negative. This study will improve the understanding about the rainfall trend in the studied area and useful to different stakeholders.