[GRASS-SVN] r71262 - grass-addons/grass7/raster/r.gdd

[svn_grass at osgeo.org]

Author: neteler
Date: 2017-07-13 07:08:32 -0700 (Thu, 13 Jul 2017)
New Revision: 71262

Modified:
   grass-addons/grass7/raster/r.gdd/r.gdd.html
Log:
r.gdd addon manual: link to resp. Wikipedia articles

Modified: grass-addons/grass7/raster/r.gdd/r.gdd.html
===================================================================
--- grass-addons/grass7/raster/r.gdd/r.gdd.html	2017-07-13 06:35:17 UTC (rev 71261)
+++ grass-addons/grass7/raster/r.gdd/r.gdd.html	2017-07-13 14:08:32 UTC (rev 71262)
@@ -1,8 +1,10 @@
 <h2>DESCRIPTION</h2>
 
-<em>r.gdd</em> calculates (accumulated) growing degree days (GDDs), 
-Winkler indices, Biologically Effective Degree Days (BEDD), and Huglin 
-indices from several input maps with temperature data for different 
+<em>r.gdd</em> calculates (accumulated) growing degree days
+(<a href="https://en.wikipedia.org/wiki/Growing_degree-day">GDDs</a>), 
+<a href="https://en.wikipedia.org/wiki/Winkler_index">Winkler indices</a>,
+Biologically Effective Degree Days (BEDD), and
+Huglin indices from several input maps with temperature data for different 
 times of the day.
 <p>
 <b>GDDs</b> are calculated as
@@ -25,7 +27,7 @@
 </pre></div>
 with an optional upper <em>cutoff</em> applied to the average. Vine 
 development kinetics for example reach a plateau at an average daily 
-temperature of 19°C.
+temperature of 19°C.
 <p>
 The <b>Huglin heliothermal index</b> is calculated as
 <div class="code"><pre>