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Table of Contents
MANAGEMENT OF WATER RESOURCES
DROUGHT AND FLOOD MANAGEMENT
Instructional objectives:
6.2.0 Introduction
6.2.1 Identification of drought and flood affected areas of India
Drought
Floods
6.2.2 Characteristics of flooding in specific regions of India
Brahmaputra River Region
Ganga River Region
Northwest River Region
Central India and Deccan Region
6.2.3 The concept of drought
Meteorological Drought
Agricultural Drought
Hydrological Drought
Socioeconomic Drought
6.2.4 Indices for drought monitoring
Percent of normal
Standardized Precipitation Index (SPI)
Palmer Drought Severity Index (PDSI)
Crop Moisture Index (CMI)
Surface Water Supply Index (SWSI)
Reclamation Drought Index (RDI)
Deciles
6.2.5 Tackling drought through water management
Creation of surface storage
Planning for less dependable yield
Prevention of evaporation losses from reservoirs
Adjustment in sanctioned water to a reservoir or its releases
Reduction in conveyance losses
Equitable distribution
Maintenance of irrigation systems
Better irrigation practice
Irrigation scheduling
Cropping pattern
Conjunctive use of surface and ground water
Watershed development
Creation of large storages
Integrating small reservoirs with major reservoirs
Transfer of water from water excess basins to water-deficit basins
6.2.6 Flood protection measures in India over the years
6.2.7 Flood management initiatives
6.2.8 Structural measures for flood mitigation
Embankments, flood walls, sea walls
Dams and reservoir
6.2.9 Non-structural measures for flood management
Flood plain management and zoning
Flood Proofing
Flood forecasting and warning
Present flood forecasting network in India
Flood fighting
Flood insurance