earth observation data for everyone: the cbers experience gilberto câmara director, national...
TRANSCRIPT
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Earth observation data for everyone: the CBERS experience
Gilberto CâmaraDirector, National Institute for Space Research
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The need for global land observation
The world is changing rapidly Climate Change is here to stay
Global land observation is a crucial need for the world, but its future is uncertain MODIS is very useful,but has no future What will happen to LANDSAT?
Global land observation systems are a public good
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Altamira (Pará) – LANDSAT Image – 22 August 2003
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Altamira (Pará) – MODIS Image – 07 May 2004
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Imagem Modis de 2004-05-21, com excesso de nuvens
Altamira (Pará) – MODIS Image – 21 May 2004
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Altamira (Pará) – MODIS Image – 07 June 2004
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6.000 hectares deforested in one month!
Altamira (Pará) – MODIS Image – 22 June 2004
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Altamira (Pará) – LANDSAT Image – 07 July 2004
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Go to the field....
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...and get the bad guys!
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2003 2004 2005 2006 2007 2008 2009 2010
LANDSAT-5 1984
LANDSAT-8 2010?
SPOT4 1998
SPOT5 2002
CBERS-2 2003
CBERS-2B 2007
CBERS-3 2009
IRS-P6 2003
Land Remote Sensing: 20 to 50 meter resolution
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Res 2004 2005 2006 2007 2008 2009 2010
MODISTerraAqua
2001 250 m1 day
MERIS 2002 300 m2 days
WFI Cbers-2 Cbers-2B
2003 250 m4 days
AWFIS Irs-P6
2002 70 m4 days
AWFI Cbers-3
2009 70 m 4 days
AWFISSR-1
2009?
70 m 4 days
Land Remote Sensing: 50 – 300 m resolution
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The 300+ million dollar question
How do we obtain support for funding Earth Observation Missions?
Our answer: Make all sectors of society use publically funded EO data...
...by providing EO data for free!
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Uncle Scrooge and the Internet
Uncle Scrooge: “A penny saved is a penny earned”
The anti-Uncle Scrooge principle: “A pixel saved is a penny wasted”
Why is that so?
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The Internet paradox
The Internet has reduced the cost of data distribution to very close to zero
Society responds very quickly to open availability of free data and good on the Web
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Brazilian and Chinese Strategy for CBERS
CBERS images received in Brasil are freely available on the Internet for Brazilian and Latin American users
CBERS images received in China are freely available on the Internet for Chinese users
A high-quality image processing software (SPRING) is also available free on the Internet in Brazil
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CBERS: China-Brazil Earth Resources Satellite
Brief History Initial agreement signed in July 6th, 1988, covering
CBERS-1 and 2. In 2002, both governments decided to expand the
initial agreement by including CBERS-3 and 4.
Program 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 Program Timeline
Launch Date
2005
2006
2007 2008 2009 2010 2011
CBERS-1 1999
CBERS-2 2003
CBERS-2B 2007
CBERS-3 2008
CBERS-4 2012
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CBERS-2 Launch(21 October 2003)
CBERS-2
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CBERS 1,2 Sensor Configuration
m0.4 2.50.
71.10.
90.5 1.5 1.7 2.3
WFI 260 m (890 km)
MSS 80 m (120 km)
CCD 20 m (120 km)
Built by China Built by Brazil
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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-2 CCD, Minas Gerais, Brazil
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CBERS-2 CCD Sobradinho Dam, Brazil Dez 2003
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CBERS-2 image from Louisiana, EUA
Obtained from on-board data recorder
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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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CBERS 3/4 x LANDSAT-8
m0.4 2.30.
71.10.
90.5 1.5 1.7 2.1
CCD 20 m (120 km)MUX 10 m (60 km)
PAN 5 m (60 km)
PAN 15 m (180 km)
TM 30 m (180 km)
MSS 40 m (120 km)
WFI 73 m (860 km)
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Work Share for CBERS 3-4(50% China, 50% Brazil)
Service ModuleStructure BrazilThermal Control ChinaAttitude and Orbit Control ChinaPower supply BrazilOn-board computer ChinaTelemetry Brazil
Payload ModuleCCD Camera 5/10 m ChinaCCD Camera 20 m BrazilIRMSS 40m ChinaAWFI 70m BrazilData Transmission ChinaData collection Brazil
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CBERS Image Distribution in Brazil (1st May 2004 to 1st May 2006)
Total number of full CCD scenes distributed (145 Mb/scene)
210,000
Number of institutions and companies
4,500
Number of scenes produced per week
2170
Average time to process a user request
10 min
Production environment 8 PCs/Linux
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Time to respond an image request
9 minutes
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FTP area for User
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User Distribution(%)
Government Institutions 23%
Educational Sector 26%
Private Companies 51%
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Private Farm Management
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Tax Enforcement in Agriculture
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Oil Spill Monitoring (Large Swath Data)
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Propaganda and Marketing
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What do we get from free data?
“With zero cost data access, technology dissemination has a much greater impact.”
“CBERS brought the freedom to have data immediately available when you need it.”
Free EO data and free EO technology create new users and new applications
Increases the need for other types of EO data
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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 work quality by adding data previously unavailable
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What have we learned?
There is an enormous demand for remote sensing data in developing countries
Free on-line data access can significantly increase the number of users of earth observation data
The CBERS data policy has been extremely well-received by government and society in Brazil
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One world, one dream...
Free Earth Observation data for all!
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One world, one dream...
A consortium of Earth Observation satellites for global land observation (5m+)
A network of cooperating ground stations
EO data free on the Internet, with global weekly coverage
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Cooperative Ground Station Network
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Key questions (Donna Coutts and Achache)
How do we develop services from Earth Observation data?
How does the system change when everyone has ready access to space-based Earth observation?
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Key questions (Donna Coutts and Achache)
How do we develop services from Earth Observation data?
How does the system change when everyone has ready access to space-based Earth observation?
Create a market for services and high-resolution data by providing EO data at a massive scale!
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