NAME
i.emissivity - Computes emissivity from NDVI, generic method for spares land.
KEYWORDS
emissivity, land flux, energy balance
SYNOPSIS
i.emissivity
i.emissivity help
i.emissivity input=name output=name [--overwrite] [--verbose] [--quiet]
Flags:
- --overwrite
- Allow output files to overwrite existing files
- --verbose
- Verbose module output
- --quiet
- Quiet module output
Parameters:
- input=name [required]
- Name of the NDVI map [-]
- output=name [required]
- Name of the output emissivity layer
DESCRIPTION
i.emissivity calculates the emissivity in the longwave radiation
spectrum, according to the semi-empirical equation related to NDVI by
Caselles and Colles (1997), valid in the NDVI range of 0.16 to 0.74.
Estimation in the 8-14 micrometers range for sparse canopy...
SEE ALSO
i.eb.netrad
AUTHORS
Yann Chemin, GRASS Development Team
Last changed: $Date: 2011-11-08 13:24:20 -0800 (Tue, 08 Nov 2011) $
Main index - Imagery index - Full index
© 2003-2012 GRASS Development Team