CEOS Strategy CEOS Strategy for Space-Based Climate for Space-Based Climate Observations Observations Seminar on the Global Earth Observation Seminar on the Global Earth Observation System of Systems (GEOSS) and Global Change System of Systems (GEOSS) and Global Change Barbara J. Ryan Barbara J. Ryan Chair, Committee on Earth Chair, Committee on Earth Observation Satellites Observation Satellites (CEOS) 2007 (CEOS) 2007 International Astronautical Federation Paris, France 17 June 2007
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CEOS Strategy for Space-Based Climate Observations Seminar on the Global Earth Observation System of Systems (GEOSS) and Global Change Barbara J. Ryan.
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Seminar on the Global Earth Observation System of Seminar on the Global Earth Observation System of Systems (GEOSS) and Global ChangeSystems (GEOSS) and Global Change
Barbara J. RyanBarbara J. RyanChair, Committee on Earth Chair, Committee on Earth Observation Satellites (CEOS) 2007Observation Satellites (CEOS) 2007
International Astronautical FederationParis, France17 June 2007
CEOS BackgroundCEOS Background
Established in 1984 from the Economic Summit of Industrialized Established in 1984 from the Economic Summit of Industrialized NationsNations– Recognized value of cross-disciplinary effortsRecognized value of cross-disciplinary efforts– Need to coordinate satellite missions Need to coordinate satellite missions
Outgrowth of two satellite coordinating groups:Outgrowth of two satellite coordinating groups:– Coordination on Land Observation SatellitesCoordination on Land Observation Satellites– Coordination on Ocean Remote Sensing SatellitesCoordination on Ocean Remote Sensing Satellites
Operates through best efforts of Members and Associates via Operates through best efforts of Members and Associates via voluntary contributionsvoluntary contributions
Space segment provider to GEOSpace segment provider to GEO
UN Framework Convention UN Framework Convention on Climate Change (UNFCCC)on Climate Change (UNFCCC)
Actions from COP - 10, 11, and 12Actions from COP - 10, 11, and 12
““Satellite Observation of the Climate System: The CEOS Satellite Observation of the Climate System: The CEOS Response to the GCOS Implementation Plan”Response to the GCOS Implementation Plan”
Response covers atmospheric, oceanic and terrestrial Response covers atmospheric, oceanic and terrestrial domains, as well as cross-cutting issuesdomains, as well as cross-cutting issues
59 actions identify where additional resources are needed to fill 59 actions identify where additional resources are needed to fill gapsgaps
Calls for a major, sustained satellite componentCalls for a major, sustained satellite component
T. TerrestrialT.1 LakesT.2 Glaciers and Ice Caps, and Ice SheetsT.3 Snow CoverT.4 AlbedoT.5 Land CoverT.6 fAPART.7 LAIT.8 BiomassT.9 Fire DisturbanceT.10 Soil moisture
Contribution to GEO observational requirementsContribution to GEO observational requirements
Synergies among national and regional satellite programsSynergies among national and regional satellite programs– Land surface imagingLand surface imaging– Ocean surface topographyOcean surface topography– Atmospheric compositionAtmospheric composition– Global precipitationGlobal precipitation
Coordinated user requirements for future systemsCoordinated user requirements for future systems
Landsat 7 ArchiveLandsat 7 Archive
A Changing World is Revealed by Land ChangeA Changing World is Revealed by Land Change
Urban Growth
90 mm of subsidence in Tucson, Arizona
November 1992 to January 1997
InSAR data from Envisat
Ground-Water Withdrawals
The Way ForwardThe Way Forward
““CEOS recognizes that both satellite and CEOS recognizes that both satellite and in in situsitu data are required to better monitor, data are required to better monitor, characterize, and predict changes in the characterize, and predict changes in the Earth system. While Earth system. While in situin situ measurements measurements will remain essential and largely measure will remain essential and largely measure what cannot be measured from satellites, what cannot be measured from satellites, Earth-observation satellites are the only Earth-observation satellites are the only realistic means to obtain the necessary realistic means to obtain the necessary global coverage, and with well-calibrated global coverage, and with well-calibrated measurements will become the single most measurements will become the single most important contribution to global important contribution to global observations for climate.”observations for climate.”