Atmospheric Database
- Atmospheres with different vertical profiles of pressure, air temperature,
humidity, ozone content (water vapor columns from 0.4 to 4.0 [g/cm2]
sea-level-to-space)
- Various aerosol types (rural, urban, maritime, desert)
- Visibilities (surface meteorological range) 5 - 120 km (hazy to very clear)
- Ground elevations 0 - 2.5 km, extrapolated for higher elevated regions
- Solar zenith angles 0 - 70 degree
- Tilt geometries (e.g. SPOT, Ikonos) with tilt angles up 50 degrees are supported
- A discrete set of relative azimuth angles (0 - 180 deg., increment 30 deg.) is provided
for the atmospheric LUTs of tilt sensors, interpolation is applied if necessary
- Capability for mixing of atmospheres (water vapor, aerosol)
The sensor-specific database is available for the standard multispectral sensors, i.e., Landsat TM, ETM+,
SPOT, IRS-P6 etc.
For sensors with varying spectral modes, e.g., CHRIS, the ATCOR add-on module for hyperspectral sensors
is recommended which allows user-defined sensors. A monochromatic spectral database is delivered with
the add-on module to be able to generate the required sensor-specific atmospheric LUTs.
Last Updated: 23-Jan-2008