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Book cover: Community, Environment and Disaster Risk Management

Community, Environment and Disaster Risk Management

ISSN: 2040-7262
Series editor(s): Rajib Shaw

Subject Area: Environmental Management/Environment

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Chapter 4 Drought, its Impacts and Management: Scenario in India


Document Information:
Title:Chapter 4 Drought, its Impacts and Management: Scenario in India
Author(s):Jayanta Sarkar
Volume:8 Editor(s): Rajib Shaw, Huy Nguyen ISBN: 978-0-85724-863-3 eISBN: 978-0-85724-864-0
Citation:Jayanta Sarkar (2011), Chapter 4 Drought, its Impacts and Management: Scenario in India, in Rajib Shaw, Huy Nguyen (ed.) Droughts in Asian Monsoon Region (Community, Environment and Disaster Risk Management , Volume 8), Emerald Group Publishing Limited, pp.67-85
DOI:10.1108/S2040-7262(2011)0000008010 (Permanent URL)
Publisher:Emerald Group Publishing Limited
Article type:Chapter Item
Extract:

A well-established drought-monitoring system exists in India. The India Meteorological Department (IMD) and the National Remote Sensing Centre in Hyderabad have been monitoring drought over the country by conventional rainfall monitoring and remote sensing methods, respectively. IMD monitors both the meteorological drought and the agricultural drought. Meteorological drought over an area is defined as a situation in which the monsoon seasonal (June–September) rainfall over the area is less than 75% of its long-term average. It is further classified as moderate drought if the rainfall deficit is 26% to 50% and severe drought if the deficit exceeds 50% of normal. Further, a year is considered to be a drought year when the area affected by moderate and severe drought either individually or together is 20% to 40% of the total area of the country and the seasonal rainfall deficiency during southwest monsoon season for the country as a whole is at least 10% or more. When the spatial coverage of drought is more than 40%, then it is called an all-India severe drought year (http://www.imd.gov.in).


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