[GRASS-SVN] r54740 - grass/branches/releasebranch_6_4/raster/r.sun
svn_grass at osgeo.org
svn_grass at osgeo.org
Mon Jan 21 12:26:34 PST 2013
Author: neteler
Date: 2013-01-21 12:26:34 -0800 (Mon, 21 Jan 2013)
New Revision: 54740
Modified:
grass/branches/releasebranch_6_4/raster/r.sun/description.html
Log:
HTML cosmetics
Modified: grass/branches/releasebranch_6_4/raster/r.sun/description.html
===================================================================
--- grass/branches/releasebranch_6_4/raster/r.sun/description.html 2013-01-21 20:25:34 UTC (rev 54739)
+++ grass/branches/releasebranch_6_4/raster/r.sun/description.html 2013-01-21 20:26:34 UTC (rev 54740)
@@ -72,7 +72,7 @@
with positive values for northern hemisphere and negative for southern one.
In similar principle the Linke turbidity factor (<i>linkein</i>, <i>lin</i>
) and ground albedo (<i>albedo</i>, <i>alb</i>) can be set.
-<p>Besides clear-sky radiations, user can compute a real-sky radiation (beam,
+<p>Besides clear-sky radiations, the user can compute a real-sky radiation (beam,
diffuse) using <i>coefbh</i> and <i>coefdh </i>input raster maps defining
the fraction of the respective clear-sky radiations reduced by atmospheric
factors (e.g. cloudiness). The value is between 0-1. Usually these
@@ -111,7 +111,7 @@
both cell sizes. The reasonable values are in the range 0.5-1.5. The values
below 0.5 will decrease and values above 1.0 will increase the computing
speed. Values greater than 2.0 may produce estimates with lower accuracy
-in highly dissected relief. The fully shadowed areas are written to the ouput
+in highly dissected relief. The fully shadowed areas are written to the output
maps as zero values. Areas with NULL data are considered as no barrier with
shadowing effect .
<p>The maps' history files are generated containing the following listed
@@ -139,8 +139,7 @@
raster maps using the set local time. In the second mode daily sums of solar
irradiation [Wh.m-2.day-1] are computed for a specified day.
-<h2>
-NOTES</h2>
+<h2>NOTES</h2>
Solar energy is an important input parameter in different models concerning
energy industry, landscape, vegetation, evapotranspiration, snowmelt or remote
@@ -165,7 +164,7 @@
in 2002).
<p>
Average monthly values of the Linke turbidity coefficient for a mild climate
-(see reference literature for your study area):
+in the northern hemisphere (see reference literature for your study area):
<pre>
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec annual<br>
mountains 1.5 1.6 1.8 1.9 2.0 2.3 2.3 2.3 2.1 1.8 1.6 1.5 1.90 <br>
@@ -191,70 +190,74 @@
r.sun -s elev=elevation.dem slop=slope asp=aspect beam=beam_map day=180
r.colors beam_map col=grey
d.his i_map=beam_map h_map=elevation.dem
-
</pre></div>
<h2>SEE ALSO</h2>
+
+<em>
<a href="r.slope.aspect.html">r.slope.aspect</a>,
<a href="r.sunmask.html">r.sunmask</a>,
<a href="g.proj.html">g.proj</a>,
<a href="r.null.html">r.null</a>,
<a href="v.surf.rst.html">v.surf.rst</a>
+</em>
-
<h2>REFERENCES</h2>
-Hofierka, J., Suri, M. (2002): The solar radiation model for Open source
-GIS: implementation and applications. Manuscript submitted to the International
-GRASS users conference in Trento, Italy, September 2002.
-<p>
+<ul>
+<li> Hofierka, J., Suri, M. (2002): The solar radiation model for Open source
+GIS: implementation and applications. International
+GRASS users conference in Trento, Italy, September 2002.
+(<a href="http://skagit.meas.ncsu.edu/~jaroslav/trento/Hofierka_Jaroslav.pdf">PDF</a>)
+<li>
Hofierka, J. (1997). Direct solar radiation modelling within an open GIS
environment. Proceedings of JEC-GI'97 conference in Vienna, Austria, IOS
Press Amsterdam, 575-584.
-<p>
+<li>
Jenco, M. (1992). Distribution of direct solar radiation on georelief and
its modelling by means of complex digital model of terrain (in Slovak). Geograficky
casopis, 44, 342-355.
-<p>
+<li>
Kasten, F. (1996). The Linke turbidity factor based on improved values of
the integral Rayleigh optical thickness. Solar Energy, 56 (3), 239-244.
-<p>
+<li>
Kasten, F., Young, A. T. (1989). Revised optical air mass tables and approximation
formula. Applied Optics, 28, 4735-4738.
-<p>
+<li>
Kittler, R., Mikler, J. (1986): Basis of the utilization of solar radiation
(in Slovak). VEDA, Bratislava, p. 150.
-<p>
+<li>
Krcho, J. (1990). Morfometrická analza a digitálne modely georeliéfu
(Morphometric analysis and digital models of georelief, in Slovak).
VEDA, Bratislava.
-<p>
+<li>
Muneer, T. (1990). Solar radiation model for Europe. Building services engineering
research and technology, 11, 4, 153-163.
-<p>
+<li>
Neteler, M., Mitasova, H. (2002): Open Source GIS: A GRASS GIS Approach, Kluwer
-Academic Publishers.
-<p>
+Academic Publishers. (Appendix explains formula;
+<a href="http://www.grassbook.org/">r.sun script download</a>)
+<li>
Page, J. ed. (1986). Prediction of solar radiation on inclined surfaces. Solar
energy R&D in the European Community, series F – Solar radiation data,
Dordrecht (D. Reidel), 3, 71, 81-83.
-<p>
+<li>
Page, J., Albuisson, M., Wald, L. (2001). The European solar radiation atlas:
a valuable digital tool. Solar Energy, 71, 81-83.
-<p>
+<li>
Rigollier, Ch., Bauer, O., Wald, L. (2000). On the clear sky model of the
ESRA - European Solar radiation Atlas - with respect to the Heliosat method.
Solar energy, 68, 33-48.
-<p>
+<li>
Scharmer, K., Greif, J., eds., (2000). The European solar radiation atlas,
Vol. 2: Database and exploitation software. Paris (Les Presses de l’ École
-des Mines).
-
-<p>Joint Research Centre: <a href="http://re.jrc.ec.europa.eu/pvgis/">GIS solar radiation database for Europe</a> and
+des Mines).
+<li>
+Joint Research Centre: <a href="http://re.jrc.ec.europa.eu/pvgis/">GIS solar radiation database for Europe</a> and
<a href="http://re.jrc.ec.europa.eu/pvgis/solres/solmod3.htm">Solar radiation and GIS</a>
+</ul>
-
<h2>AUTHORS</h2>
Jaroslav Hofierka, GeoModel, s.r.o. Bratislava, Slovakia <br>
@@ -263,9 +266,9 @@
Thomas Huld, JRC, Italy <br>
-© 2002, Jaroslav Hofierka, Marcel Suri
+© 2002, Jaroslav Hofierka, Marcel Suri. This program is free software under the GNU General Public License (>=v2)
<address>
-<a href="MAILTO:hofi at geomodel.sk">hofierka at geomodel.sk</a>
+<a href="MAILTO:hofierka at geomodel.sk">hofierka at geomodel.sk</a>
<a href="MAILTO:suri at geomodel.sk">suri at geomodel.sk</a>
</address>
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