[GRASS-user] DOS 2b atmosperic correction

[Moritz Lennert]

On 27/10/15 10:35, Kozlova Maria wrote:
> Dear friends,
> Where may I read about an atmospheric correction method called DOS 2b?

In the source code [1]:

DOS2b includes an estimation for TAUv = cos(constant)

where the constant depends on the satellite (9.2 for Landsat<4, 8.2 for 
the others). No idea where that constant comes from.

This should be better documented in the man page.

Moritz


[1] 
https://trac.osgeo.org/grass/browser/grass/trunk/imagery/i.landsat.toar/landsat.c#L70