Climatologists and meteorologists in Sri Lanka observe that ground temperature measurements in many weather stations have risen and people are experiencing more episodes of warmer weather. Sri Lanka is a country vulnerable to warming or rise in temperature; in particular its economic development is mostly dependent on agriculture, which can be severely affected by large and abrupt changes in temperature. This study was carried out to detect and characterize changes in surface temperature in the last 140 years, as a precursor of climate change in Sri Lanka. Daily maximum and minimum temperature data collected at twelve synoptic stations from 1871 to 2010 were analyzed using statistical techniques to quantify the rate of change.
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