Informations et ressources scientifiques
sur le développement des zones arides et semi-arides

Titre : Agroclimatic studies and drought analysis of Rayalaseema region

Auteur : Madhuri ,S.

Université de soutenance : Sri Krishnadevaraya University

Grade : Doctor of Philosophy (PhD) 2003

Présentation
Rayalaseema is a dry region located in the rain shadow region of western ghats and is most vulnerable to droughts and famines. The mean annual rainfall of the region is 670 mm. The distribution of rainfall has wide variations spatially over the study area increasing from northwest to southeast. Out of the four districts of Rayalaseema, Anantapur is the driest and Chittoor is the wettest. The mean annual rainy days for the region as a whole is 40 days. The region experiences high variability of rainfall as it is semiarid region.
The temporal distribution of rainfall reveals some significant characteristics with regard to the dominant range of rainfall for each district, the variations in annual, decadal and seasonal trends of rainfall and fluctuations in the amount of rainfall over different climatic periods.

Mots clés : Agroclimatic Drought Drainage Geology Minerals

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