[GRASS-user] i.albedo

[Jiao Wang]

Hi

I was wondering if anybody could help me find the reference paper used in
the equation for MODIS albedo (see below), not necessary the full paper,
even the title would help.
Thanks in advance.

Best,
Jiao


https://svn.osgeo.org/grass/grass/trunk/imagery/i.albedo/bb_alb_modis.c
/*

 * Broadband albedo MODIS
 */
double bb_alb_modis(double redchan, double nirchan, double chan3,
		    double chan4, double chan5, double chan6, double chan7)
{
    double result;

    result =
	(0.22831 * redchan + 0.15982 * nirchan +
	 0.09132 * (chan3 + chan4 + chan5) + 0.10959 * chan6 +
	 0.22831 * chan7);
    return result;
}
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