Supported Missions and Sensors
- Sentinel-3 OLCI/SLSTR
- ENVISAT MERIS/AATSR
- Landsat 4 – 8
- CHRIS/Proba
- Spot VGT
- MODIS, SeaWiFS, VIIRS
- ALOS, AVHRR
Features and Tools
- Visualising spectrum of pixels
- Doing Band Maths using arbitrary mathematical expressions
- Uncertainty visualisation
- Propagation of uncertainty in Band Maths
- Access to In-Situ Databases (still a demonstrator)
- Pixel extraction tool
- for more features see the general SNAP features page
Available Processors
- S3 OLCI Radiometry
Performs radiometric corrections on OLCI, like gas-absorption and Rayleigh correction - S3 SLSTR PDU stitching
Stitches multiple SLSTR L1B product dissemination units (PDUs) of the same orbit - AATSR/SLSTR Regridding
Reconstruct the original nadir and forward view images of Sentinel-3 SLSTR (in development) and Envisat AATSR L1B products - MERIS Radiometry
Performs radiometric corrections on MERIS, like calibration, equalisation and smile-effect correction - OWT Classification
Optical water type classification based on atmospherically corrected reflectances - FU Classification
True colour classification with the discrete Forel–Ule scale - FLH/MCI retrieval
FLH/MCI Processor calculates the Fluorescence Line Height and the Maximum Chlorophyll Index - ARC SST Processor
Implementation of parts of the ARC/SST-CCI processor - FUB/WeW processor
Retrieves Case-II water and atmospheric properties from MERIS data