Meteorological Trend Analysis in Western Rajasthan (India) using Geographical Information System and Statistical Techniques

The present study focuses on the long term trends of meteorological parameters like precipitation, temperature, solar radiation, wind direction etc. of Udaipur district, Rajasthan which is mainly located in semi-arid zone in India. Meteorological parameters have been taken for this study to find out the annual variability using Mann-Kendall test and Sen’s slope estimator. Yearly long term trend has been identified for thirty one years of data. There are both increasing and decreasing trends of meteorological parameters obtained by this MK test, suggesting overall significant changes in the study area. Keywords: Trend analysis, Meteorological parameters, Mann-Kendall test, Sen’s slope.