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Local Weather
Oberpfaffenhofen

SYNAER

Please notice, ENVISAT instruments are currently not sending any data. Check the ESA ENVISAT page for latest news.

ENVISAT daily aerosol parameters (particle mass concentrations, optical depth and type) on a 60x30 km2 resolution are provided in near-real time (approximately 12 hours after acquisition) and as archive for 2003-2008 over Europe and Africa. These results are retrieved from a synergetic exploitation of two sensors onboard ENVISAT, the spectrometer SCIAMACHY and the radiometer AATSR. Due to the scan mode and swath width of the instruments full cloud-free coverage at the equator is achieved after 12 days.

Example result / latest result

 

Satellite: ENVISAT (ESA)
Instrument(s): SCIAMACHY, AATSR
Instrument/algorithm PI: Thomas Holzer-Popp, DLR
Contact details: thomas.holzer-popp[at]dlr.de
Parameter(s): AOD, composition, PM
Aerosol algorithm: SYNAER
Cloud screening: APOLLO
Aerosol model: external mixing / Mie components (extended OPAC database)
Retrieval assumptions: dark field method using 1.6 ?m channel
Retrieval limitations: bright surface (R670 > 0.0.8 dark fields / R670 > 0.20 region)
Spatial, temporal coverage: 2003 - 2010 / NRT, Europe/Africa/Atlantic /S. America)
Spatial, temporal resolution: 60x30 km2 / 480 km swath / 12 days repeat cycle
Operations status: operational / reprocessing
Validation status: multi-spectral AERONET inter-comparison study
Quality control: pixel-wise ambiguity and error estimate
last algorithm version: 2.2 (10/2009)
last validation: 10/2009