Meteorological & Hydrological data for water resources development.
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Transcript of Meteorological & Hydrological data for water resources development.
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Meteorological & Hydrological data for water resources
development
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• Hydrology is the study of the movement, distribution, and quality of water on Earth and other planets.
• It includes hydrological cycle, water resources, environmental watershed ability.
Application:Determining the water balance of a region.Determining the agricultural water balance.Assessing the impacts of natural and anthropogenic environmental change on water resources.Assessing contaminant transport risk and establishing environmental policy guidelines.
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What is the role of hydrology for water resources management?
• Estimation of water resources availability• Estimation and reduction of hydrological risks• Development of hydrological scenarios• Ensure proper information to decision makers
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• Meteorology is the study of atmosphere,– Climate changes– Precipitation & ET– Runoff– Temperature, air pressure & water vapor.
Application:Weather forecastingAviation meteorologyAgricultural meteorologyHydrometeorologyMaritime meteorology
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Meteorology functions
National Weather Service
National Tsunami Alert ServiceNational Tidal Centre
National Flood Warning and Forecasting Service
National Climate Monitoring System
National Ocean Current Prediction
National Water Information Service
National Water Information Service
Climate and Meteorological
Research(with CSIRO)
DATA
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Role of the Hydro-Meteorological Services
Risk TransferRisk Assessment
Historical Hazard databases
Hazard statistics
Climate forecasting and forward looking hazard trend analysis
Exposed assets & vulnerability
Risk analysis tools
Preparedness (saving lives):
early warning systems emergency planning and response
Prevention (Reduction of economic losses): Medium to long term sectoral planning (e.g. zoning, infrastructure, agriculture)
Catastrophe insurance & bonds
Weather-indexed insurance and derivatives
Risk Reduction
Information and Knowledge SharingEducation and training across agencies
Alignment of clear policies, legislation, planning, resources at national to local Levels (Multi-sectoral, Multi-agency)
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WMO
• Specialized agency of the United Nations for meteorology (weather and climate), operational hydrology and related geophysical sciences governed by WMO (World Meteorological Organization).
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WMO Programmes
World Weather Watch Programme WMO Space Programme
Natural Disaster Prevention and Mitigation Programme
Education and Training ProgrammeTechnical Cooperation Programme
Regional Programme
WorldClimate
Programme
AtmosphericResearch
and EnvironmentProgramme
Applicationsof
MeteorologyProgramme
Hydrologyand
WaterResourcesProgramme
WMO/OMM
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CONCEPT OF OPERATION
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DATA REQUIREMENTS FOR METEOROLOGICAL AND HYDROLOGICAL WARNING SYSTEMS
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Collection of water resources data
• Direct observations• Measuring discharges of surface sources• Using RS & GIS • Rainfall data from rain gauge stations• Rainfall- runoff approach• Statistical approach• Modelling