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Structural breaks in mean temperature over agroclimatic zones in India
Ranjit Kumar Paul1, P S Birthal2, Ankit Khokhar1
1Indian Agricultural Statistics Research Institute, New Delhi 110012, India.
Abstract:
Amongst Asian countries India is one of the most vulnerable countries to climate change. During the past century, surface temperature in India has shown a significant increasing trend. In this paper, we have investigated behavior of mean monthly temperature during the period 1901-2001 over four agroclimatic zones of India and also tried to detect structural change in the temperature series. A structural break in the series has been observed at the national as well regional levels between 1970 and 1980. An analysis of trends before and after the structural break shows a significant increase in July temperature in the arid zone since 1972.
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