##master-page:HomepageTemplate #format wiki == Gregor Halfmann == Email: <> oder <> ==== ENVISAT ==== ''Environmental Satellite'' http://envisat.esa.int/ aunched in March 2002 '''ENVISAT instruments:''' *ASAR (Advanced Synthetic Aperture Radar): Imaging microwave radar *MERIS: Imaging multi-spectral radiometer (vis/IR) *AATSR (Advanced Along-Track Scanning Radiometer): Imaging multi-spectral radiometer (vis/IR) & Multiple direction/polarisation radiometers *RA-2: radar altimeter *MWR (Microwave Radiometer): Imaging multi-spectral radiometer (passive microwave) *GOMOS: Atmospheric Chemistry (medium resolution spectrometer) *MIPAS: (Michelson Interferometer for Passive Atmospheric Sounding): Atmospheric Chemistry and Temperature (Fourier transform spectrometer) *SCIAMACHI: Atmospheric Chemistry (imaging spectrometer) *DORIS (Doppler Orbitography and Radio-positioning Integrated by Satellite instrument): Precision Orbit (microwave tracking system) *LRR (Laser Retro-Reflector): Passive optical instrument (support satellite ranging for precise orbit determination) '''available ENVISAT Level 3 data:''' AATSR Demonstration Level 3 Global Sea Surface Temperatures: *provided in .png and .hdf *Temporal Coverage: 2002 to 2005 *Spatial Coverage: 90 N , 90 S , 180 W , 180 E *Resolution: 10 to 30 arcminutes *http://earth.esa.int/object/index.cfm?fobjectid=3808 MERIS Level 3 Demonstration Products: ''marine products:'' *Chlorophyll Concentration for the open ocean, *Water leaving radiances at 412, 443, 490, 510 and 560 nm *Aerosol optical thickness at 865 nm and the angstroem coefficient ''land products:'' *The aerosol optical thickness at 443 nm and the angstroem coefficient *The MERIS Global Vegetation Index (MGVI) *MERIS Terrestrial Chlorophyll Index *Albedo Map ''atmosphere products:'' *The water vapour over clear sky *Temporal Coverage: Year 2003 to current day *Spatial Coverage: 90 N , 90 S , 180 W , 180 E *http://earth.esa.int/object/index.cfm?fobjectid=3809 ---- SatelliteImageAnalysis