The assessment of drought in Sri Lanka (Ceylon)

Abstract

In the world context the importance of drought studies has been realized rapidly. The further researches on drought indentification and analysis in both Agro-climatology and dynamical climatology, have taken place, specially in 1960's. Studies have been progressing in areas most affected by drought i.e. Southwest and Midwest of United states, Australia, India, U.S.S.R., Brazil and sahel zone. Generally Thornthwaites (1948) and palmers (1965) water balance ....