[GRASS-user] Visibility maps for i.at(mospherically)corr(ecting) Landsat imagery

[Markus Neteler]

On Thu, Jan 24, 2013 at 2:42 PM, Nikos Alexandris
<nik at nikosalexandris.net> wrote:
> Nikos Alexandris:
>
>> >> > I am in process of using i.atcorr for several Landsat5 TM scenes.  Is
>> >> > there any public domain, or of a compatible license , data base with
>> >> > visibility maps over Europe?

How about MODIS AOT?

http://www.nat-hazards-earth-syst-sci.net/10/421/2010/nhess-10-421-2010.html

Markus