Extended Abstract

(a)(b)Figure 1 : (a) Change of Temperature Anomally (1951 – 2006)(b) Change of Temperature Anomally (1981 – 2006)The trends of tem peratures do not show sim ilar behavior when cons idering the indi vidualstations. The increa sing trend of minimum t emperature is high in the highlands and its shows0.02 0 C per decade, but the trend of maximum temperature is high in the coastal areas (Figure 2aand b).(a)(b)Figure 2 : Trends of Maximum and Minimum Temperatures (1961-2000)By considering the periods 1951-2006 and 1984 – 2006 ( Figure 1 (a) and (b)), It is clear th at theincreasing trend is higher in the rec ent past than past few decades. IPCC AR4 pointed out that,rainfall pattern in many parts of the world has been changed and the trend of rainfall is negativein some parts and also it is positive in t he other parts. Therefore the analy sis of rainfall pattern isimportant.-263-