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@@ -1,7 +1,9 @@
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<h2>DESCRIPTION</h2>
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-<em>r.series.accumulate</em> calculates (accumulated) raster value using growing degree days (GDDs)/Winkler indices's,
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-Biologically Effective Degree Days (BEDD), Huglin heliothermal indices or an average approach from several input maps.
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+<em>r.series.accumulate</em> calculates (accumulated) raster value
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+using growing degree days (GDDs)/Winkler indices's, Biologically
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+Effective Degree Days (BEDD), Huglin heliothermal indices or an average
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+approach from several input maps.
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<p>
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The flag <b>-a</b> determines the average computation of the input raster maps.
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In case the flag is not set, the average calculation is:
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@@ -18,8 +20,8 @@ In case the flag was set, the calculation changes to arithmetic mean
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gdd = average - lower
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</pre></div>
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<p>
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-In case the <b>-a</b> is set, the Winkler indices are calculated instead of GDD,
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-usually accumulated for the period April 1<sup>st</sup> to October
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+In case the <b>-a</b> is set, the Winkler indices are calculated instead
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+of GDD, usually accumulated for the period April 1<sup>st</sup> to October
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31<sup>st</sup> (northern hemisphere) or the period October
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1<sup>st</sup> to April 30<sup>th</sup>
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(southern hemisphere).
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@@ -49,12 +51,13 @@ the maximum value and <em>average</em> the average value.
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The <em>min</em>, <em>max</em> and <em>average</em> values
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are automatically calculated from the input maps.
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<p>
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-The <em>shift</em> and <em>scale</em> values are applied directly to the
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-input values. The <em>lower</em> and <em>upper</em> maps, as well as the <em>range</em>
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-options are applied to constrain the accumulation. In case the <em>lower</em> and <em>upper</em>
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-maps are not provided the <em>limits</em> option with default values will be applied.
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+The <em>shift</em> and <em>scale</em> values are applied directly to
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+the input values. The <em>lower</em> and <em>upper</em> maps, as well
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+as the <em>range</em> options are applied to constrain the
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+accumulation. In case the <em>lower</em> and <em>upper</em> maps are
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+not provided the <em>limits</em> option with default values will be
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+applied.
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<p>
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-
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If an existing map is provided with the <em>basemap</em> option, the
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values of this map are added to the output.
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@@ -126,7 +129,8 @@ r.series.accumulate in=MOD11A1.Day,MOD11A1.Night,MYD11A1.Day,MYD11A1.Night out=M
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<em>
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<a href="g.list.html">g.list</a>,
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<a href="g.region.html">g.region</a>,
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-<a href="r.series.html">r.series</a>
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+<a href="r.series.html">r.series</a>,
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+<a href="r.series.interp.html">r.series.interp</a>
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</em>
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<p>
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<a href="http://grasswiki.osgeo.org/wiki/Large_raster_data_processing">Hints for large raster data processing</a>
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