[GRASS-SVN] r67435 - grass/trunk/imagery/i.albedo

[svn_grass at osgeo.org]

Author: ychemin
Date: 2015-12-30 09:02:16 -0800 (Wed, 30 Dec 2015)
New Revision: 67435

Added:
   grass/trunk/imagery/i.albedo/bb_alb_aster2bands.c
Modified:
   grass/trunk/imagery/i.albedo/i.albedo.html
Log:
Uploaded new ASTER 2 bands Albedo equation

Copied: grass/trunk/imagery/i.albedo/bb_alb_aster2bands.c (from rev 67434, grass/trunk/imagery/i.albedo/bb_alb_aster.c)
===================================================================
--- grass/trunk/imagery/i.albedo/bb_alb_aster2bands.c	                        (rev 0)
+++ grass/trunk/imagery/i.albedo/bb_alb_aster2bands.c	2015-12-30 17:02:16 UTC (rev 67435)
@@ -0,0 +1,14 @@
+/* Broadband albedo Aster
+ * Salleh and Chan, 2014. 
+ * Land Surface Albedo Determination: 
+ * Remote Sensing and Statistical Validation. 
+ * in proceedings of FIG 2014.
+ * https://www.fig.net/resources/proceedings/fig_proceedings/fig2014/papers/ts05g/TS05G_salleh_chan_6910.pdf
+ * Input: Ref1, Ref3
+ */
+double bb_alb_aster(double greenchan, double nirchan, double swirchan2)
+{
+    double result =
+	(0.697 * greenchan + 0.298 * nirchan - 0.008);
+    return result;
+}

Modified: grass/trunk/imagery/i.albedo/i.albedo.html
===================================================================
--- grass/trunk/imagery/i.albedo/i.albedo.html	2015-12-30 15:21:39 UTC (rev 67434)
+++ grass/trunk/imagery/i.albedo/i.albedo.html	2015-12-30 17:02:16 UTC (rev 67435)
@@ -23,6 +23,13 @@
 <a href="i.vi.html">i.vi</a>
 </em>
 
+<h2>References</h2>
+For a 2 band determination of the Aster BB Albedo see the following:
+
+Salleh and Chan, 2014. Land Surface Albedo Determination: Remote Sensing and Statistical Validation. in proceedings of FIG 2014.
+
+https://www.fig.net/resources/proceedings/fig_proceedings/fig2014/papers/ts05g/TS05G_salleh_chan_6910.pdf
+
 <h2>AUTHOR</h2>
 
 Yann Chemin