Gregor Halfmann
Email: <g.halfmann AT SPAMFREE web DOT de> oder <gregor.halfmann AT SPAMFREE zmaw DOT de>
ENVISAT
Environmental Satellite
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
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