39th copuous/sct symposium on remote sensing for substantive water management - viena - february...

39th COPUOUS/SCT Symposium on Remote sensing for substantive water management - Viena - February 25-26, 2002

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Remote Sensing for substantive water Remote Sensing for substantive water management in arid and semi-arid areasmanagement in arid and semi-arid areas

The Brazilian ExperienceThe Brazilian Experience

Evlyn NovoEvlyn Novo

Remote Sensing DivisionRemote Sensing Division

National Institute for Space Research-BrazilNational Institute for Space Research-Brazil

39th COPUOUS/SCT Symposium on39th COPUOUS/SCT Symposium on Remote sensing for substantive w Remote sensing for substantive water management - Viena - Februarater management - Viena - February 25-26, 2002y 25-26, 2002

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SummarySummary

Water management issues in the Brazilian arid Water management issues in the Brazilian arid and semi-arid regionand semi-arid region

Institutional SettingInstitutional Setting• Brazilian agencies using RS for water managementBrazilian agencies using RS for water management

Remote Sensing ApplicationsRemote Sensing Applications• Desertification assessmentDesertification assessment• Crop irrigation monitoringCrop irrigation monitoring• Aquaculture zoningAquaculture zoning• CartographyCartography• Reservoir managementReservoir management


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Brazilian arid and semi-arid regionBrazilian arid and semi-arid region

880 000 km880 000 km2 2 to 1000 000 kmto 1000 000 km22

10 states10 states 1257 municipalities1257 municipalities 20 million inhabitants20 million inhabitants 18 650 artesian wells18 650 artesian wells 12 190 active artesian wells12 190 active artesian wells 490 000 ha of irrigated land490 000 ha of irrigated land


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Water management issuesWater management issues

Land degradation and Land degradation and desertificationdesertification

Crop irrigation & Crop irrigation & salinizationsalinization

Soil erosion & reservoir Soil erosion & reservoir siltingsilting

Hydroelectric power Hydroelectric power generationgeneration

Urbanization & drinking Urbanization & drinking water shortagewater shortage


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Institutional settingInstitutional setting Federal AgenciesFederal Agencies

• Water Resources Secretariat at the Ministry of Environment,Water Water Resources Secretariat at the Ministry of Environment,Water Resources and Legal Amazon (MMA)Resources and Legal Amazon (MMA)

National Desertification PlanNational Desertification Plan• Semi-arid Research Unity (CPATSA) of the Brazilian Agricultural Semi-arid Research Unity (CPATSA) of the Brazilian Agricultural

Research Corporation (EMBRAPA)Research Corporation (EMBRAPA) Crop irrigation, soil degradationCrop irrigation, soil degradation

• National Water Agency (ANA)National Water Agency (ANA) National Water Research ProgramNational Water Research Program

• Brazilian Geological Survey (CPRM) at the Ministry of Mines and Brazilian Geological Survey (CPRM) at the Ministry of Mines and Energy (MME)Energy (MME)

Ground water survey in the Brazilian semi-arid regionGround water survey in the Brazilian semi-arid region• National Electric Energy Agency (ANEEL) - MMENational Electric Energy Agency (ANEEL) - MME

Electric Energy Production and Consumption Legislation Electric Energy Production and Consumption Legislation EnforcementEnforcement


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Institutional settingInstitutional setting

Regional AgenciesRegional Agencies• S.Francisco River Basin Development S.Francisco River Basin Development

Company (CODEVASF)Company (CODEVASF) strategies for reducing water use conflict strategies for reducing water use conflict

State AgenciesState Agencies• Ceara Meteorology and Water Resources Ceara Meteorology and Water Resources

Institute (FUNCEME)Institute (FUNCEME) Weather forecastWeather forecast


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Remote sensing applicationsRemote sensing applications

Desertification Desertification Regional SurveyRegional Survey• MMA/UFPIMMA/UFPI

Vegetation cover Vegetation cover information derived information derived from remote sensing from remote sensing data + soil maps + data + soil maps + meteorological data meteorological data from ground stationsfrom ground stations


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Irrigated crop monitoringIrrigated crop monitoring


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Reservoir flooded area assessmentReservoir flooded area assessment

Xingo Reservoir


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Remote sensing & aquacultureRemote sensing & aquaculture


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CartographyCartography X Band SAR X Band SAR

interferometryinterferometry• S. Francisco S. Francisco

transposition projecttransposition project• 420 Topographic charts 420 Topographic charts

at 1:5 000 scaleat 1:5 000 scale• 2 m contour line2 m contour line• 1 m precision1 m precision• 10 000 km10 000 km22

• 2 year project – 2 year project – 1998/19991998/1999


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X band SAR interferometryX band SAR interferometry


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Reservoir managementReservoir management

Reis, 2002

•Ground sampling

S. Francisco Reservoirs


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Reservoir silting assessmentReservoir silting assessment• Landsat - ETMLandsat - ETM+ + concurrent to ground data concurrent to ground data

acquisitionacquisition• Empirical modelingEmpirical modeling


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Legal enforcementLegal enforcement

Enforcement of the water conservation law


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Surface water monitoringSurface water monitoring


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Concluding remarksConcluding remarks

The use of remote sensing techniques for The use of remote sensing techniques for water resources management in Brazil is water resources management in Brazil is far behind of other applicationsfar behind of other applications. . • 1) lack of cloud free remote sensing data at a 1) lack of cloud free remote sensing data at a

time frequency compatible to the water time frequency compatible to the water resource monitoring needs; resource monitoring needs;

• 2) lack of human resources capable of 2) lack of human resources capable of coupling with the complexity of remote coupling with the complexity of remote sensing applications to water resources. sensing applications to water resources.

39th copuous/sct symposium on remote sensing for substantive water management - viena - february...

Documents

energy mmeground water

summarywater management

semiarid region880

artesian wells12

ministry of environment

ministry of mines

active artesian wells490

km22 year project