[GRASS-SVN] r66152 - grass-addons/grass7/raster/r.subdayprecip.design
svn_grass at osgeo.org
svn_grass at osgeo.org
Wed Sep 9 02:16:14 PDT 2015
Author: martinl
Date: 2015-09-09 02:16:14 -0700 (Wed, 09 Sep 2015)
New Revision: 66152
Added:
grass-addons/grass7/raster/r.subdayprecip.design/r_subdayprecip_design_basin.png
grass-addons/grass7/raster/r.subdayprecip.design/r_subdayprecip_design_h_rast.png
grass-addons/grass7/raster/r.subdayprecip.design/r_subdayprecip_design_result.png
Modified:
grass-addons/grass7/raster/r.subdayprecip.design/r.subdayprecip.design.html
Log:
r.subdayprecip.design: manual improved
Modified: grass-addons/grass7/raster/r.subdayprecip.design/r.subdayprecip.design.html
===================================================================
--- grass-addons/grass7/raster/r.subdayprecip.design/r.subdayprecip.design.html 2015-09-09 03:29:32 UTC (rev 66151)
+++ grass-addons/grass7/raster/r.subdayprecip.design/r.subdayprecip.design.html 2015-09-09 09:16:14 UTC (rev 66152)
@@ -1,31 +1,91 @@
<h2>DESCRIPTION</h2>
-<em>r.subdayprecip.design</em> computes subday design precipitation series.
+<em>r.subdayprecip.design</em> computes reduction of subday design
+precipitation series.
<p>
-TODO
+The tool uses methods of zonal statistics to compute average values of
+design 24 hours precipitation for a selected area or for a spot. This
+value is reduced to the chosen length design rain for selected period
+of repetition.
+<h2>NOTES</h2>
+
+Subday design precipitation series are important for hydrological
+modelling and soil erosion problems in a small catchment scale when
+designing common measures for promoting water retention, landscape
+drainage systems, etc.
+
+<p>
+First automatization has been implemented by well-known method
+which is based on reduction of 24 hours design precipitation to
+shorter time. GIS is used for spatial supervised classification of
+point values of specified repetition periods (2, 10, 20, 50 a 100
+years) over the area of the Czech Republic.
+
+<center>
+<table>
+<tr>
+<td><img src="r_subdayprecip_design_basin.png"></td>
+<td><img src="r_subdayprecip_design_h_rast.png"></td>
+</tr>
+<tr>
+<td><em>Figure: Basins (in orange) with orthophoto<br> on background</em></td>
+<td><em>Figure: Repetition periods (2, 10, 20, 50 years)<br> in the area of the Czech Republic</em></td>
+</tr>
+</table>
+
+
+<img src="r_subdayprecip_design_result.png">
+<p>
+<em>Figure: Basins colored by H_002_60 value</em>
+
+</center>
+
<h2>EXAMPLE</h2>
<div class="code"><pre>
r.subdayprecip.design map=basin raster=H_002,H_005,H_010,H_020 rainlength=60
</pre></div>
+<h2>REFERENCES</h2>
+
+<ul>
+ <li>Landa M., Kavka P., Strouhal L. (2015). <a href="http://geomatica.como.polimi.it/workbooks/n12/">A
+ GIS tool for reduction day precipitation to subday</a> (Geomatics
+ Workbooks 12)</li>
+ <li>Tomasu
+ M. (2013). <a href="http://geo.fsv.cvut.cz/proj/bp/2013/martin-tomasu-bp-2013.pdf">Tvorba
+ nastoje pro sestaveni kratkodobych navrhovych destu na zaklade
+ rizene interpolace a redukce</a> (in Czech)</li>
+ <li>Torfs, P. J. J. F., Horacek, S., & Rakovec,
+ O. (2010). Chimera, a framework for conceptual modelling using
+ analytical sensitives to parameters: implementation and
+ application to PDM model.</li>
+ <li>Sokol, Z., & Bliznak, V. (2009). Areal distribution and
+ precipitation-altitude relationship of heavy short-term
+ precipitation in the Czech Republic in the warm part of the
+ year. Atmospheric Research, 94(4), 652-662.</li>
+</ul>
+
+<h3>Acknowledgement</h3>
+
+This work has been supported by the research project QJ1520265 -
+"Variability of Short-term Precipitation and Runoff in Small
+Czech Drainage Basins and its Influence on Water Resources
+Management".
+
<h2>SEE ALSO</h2>
<em>
<a href="v.rast.stats.html">v.rast.stats</a>
</em>
-<h2>REFERENCES</h2>
-
-<ul>
- <li><a href="http://geo.fsv.cvut.cz/proj/bp/2013/martin-tomasu-bp-2013.pdf">http://geo.fsv.cvut.cz/proj/bp/2013/martin-tomasu-bp-2013.pdf</a> (in Czech)</li>
-</ul>
-
<h2>AUTHORS</h2>
-Martin Landa, OSGeoREL, Czech Technical University in Prague, Czech Republic<br>
+Martin Landa, OSGeoREL, Czech Technical University in Prague, Czech
+Republic<br> The module is inspired by Python script developed for
+Esri ArcGIS platform by M. Tomasu in 2013 (see REFERENCES).
<p>
<i>Last changed: $Date $</i>
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