Earth Observation Data as Public Goods: INPE’s experience
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Transcript of Earth Observation Data as Public Goods: INPE’s experience
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Earth Observation Data as Public Goods: INPE’s experience
Leila FonsecaNational Institute for Space ResearchBrazil
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Earth observation satellites provide key information about
global land changeEO data benefits to everyone
Images are public goods!
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Projects as examples of public goods ...
CBERS program Deforestation assessment in the Amazon
Forest (PRODES) Real Time Deforestation Detection
(DETER)
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CBERS Program: China-Brazil Earth Resources Satellite (http://www.cbers.inpe.br) Objectives
Build a family of remote sensing satellites to support the needs of users in earth resources applications
Improve the industrial capabilities of space technology in Brazil and China
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CBERS-2B Sensor Configuration
m0.4 2.50.
71.10.
90.5 1.5 1.7 2.3
WFI 260 m (890 km)
CCD 20 m (120 km)
Built by China Built by Brazil
PAN 2.5 m (27 km)
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CBERS 3 – 4 Sensor Configuration
m
0.4 2.30.7
1.10.9
0.5 1.5 1.7 2.1
WFI 73 m (860 km)
MSS 40 m (120 km)CCD 20 m (120 km)MUX 10 m (60 km)
PAN 5 m (60 km)
Built by China Built by Brazil
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Policy for CBERS International Data
Images acquired by Brazilian station are free (catalogue)
(www.dgi.inpe.br/CDSR) Brasil and latin america countries
zero-cost fee for direct downlink in existing ground stations Africa will receive images by direct downlink soon
Ground station operators are encouraged to distribute CBERS data free of charge on the Web
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CBERS data distributed in the internet
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Number of full CCD scenes distributed (145 Mb/scene)
360,000
Number of institutions and companies
14,500
CBERS Image Distribution in Brazil (05/2004- 08/2007)
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What do the private companies say
about free CBERS data?
Enables new business development
Facilitates trial uses for new clients
Planning new applications becomes easier
Creates jobs by reducing cost of data buys
Increases quality by adding data previously unavailable
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Deforestation Assessment Programs
Dalton M. Valeriano
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Deforestation assessment in the Amazon Forest (Supports policy-making)
Taxa de Desmatamento Anual na Amazônia Legal
0
5000
10000
15000
20000
25000
30000
35000
88(a)
89 90 91 92 93(b)
94(b)
95 96 97 98 99 00 01 02 03 04 05 06 07(c)
Ano
Km
2/an
o
Consolidado Estimativa
year
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Data available in the Internet since 2003:MethodsTablesMaps:
Landsat Scene
State mosaics
Region mosaic
Deforestation assessment in the Amazon Forest (http://www.obt.inpe.br/prodes/index.html)
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Moderate Resolution based Real Time Deforestation Detection – DETER (http://www.obt.inpe.br/deter/)
TERRA
MODIS - Moderate-resolution
Imaging Spectroradiometer
Observation period: 3 diasSpatial Resolution: 250 m
CBERS - China-Brazil Earth Resources Satellite
WFI – wide Field Imager
Observation period: 5 diasSpatial Resolution: 260 m
Alarm system: detect new deforestation areas
Supports law-enforcement
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Cuiabá Receiving Station
Latest cloud-free MODISPrevious deforestation assessment
DETER: Data and Information Flow
Data processing in INPE
Partial results to IBAMA and integration in the internet
Analysis and distribution to enforcement agents by IBAMA
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Modis data
(may 2004)
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Modis data
(june 2004)
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CBERS CCD data
(July 2004)
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Check in the field ...
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DETER Features and Products
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New deforestations
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Data obtained in the web can be used in any GIS
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Query to Fire Detection Database
Altamira/PA
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What can we achieve?
There is an enormous demand for remote sensing data in the world
Free on-line data access will significantly increase the number of users of earth observation data
Free data will lead to a much better understanding of the global Earth System
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Will the Global Earth Observation System of Systems be based on free and open
data policies?