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Anna University (2012)

Drought vulnerability assessment in irrigated agriculture

Sreehari P

Titre : Drought vulnerability assessment in irrigated agriculture

Auteur : Sreehari P

Université de soutenance : Anna University

Grade : Doctor of Philosophy (PhD) 2012

Résumé
Water a scarce resource is the elixir of life It is a natural resource fundamental to life livelihood food security and sustainable development United Nations has declared the decade 2005 2015 as International Decade for Action According to National Water Policy 2012 Ministry of Water Resources GoI 2012 The severity of agricultural drought could also be monitored through an understanding of vegetation status since the vegetation condition reflects the overall effect of rainfall soil moisture weather and agricultural practices Here an attempt is made to develop an Agricultural Drought Severity Index which involves crop area delineated from remote sensing data using NDVI analysis Drought vulnerability of irrigated agriculture is analysed by overlaying the determined agricultural drought severities of the area through the conventional demand supply gap and Remote sensing based methods

Mots clés : Agricultural drought Civil engineering Irrigated agriculture Remote sensing

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Page publiée le 23 janvier 2015, mise à jour le 29 janvier 2021