[GRASS-user] Calculating real sky condition with r.sun

[José Antonio Ruiz Arias]

You can find a thorough description in
http://www.ing.unitn.it/~grass/conferences/GRASS2002/proceedings/proceedings/pdfs/Hofierka_Jaroslav.pdf

Hope this helps,
Jose

>
> Hi all,
>
> I am dealing with r.sun. I am really confused and need your help. I have
> couple of questions. First how can I use clear sky index raster map as an
> input to r.sun? Regardless of the first question, I have measured
> cloudiness
> data. How can I use this data in r.sun? Should I create coefbh and coefdh
> from that data? If it is how?
>
> Thank you
>
> Burak
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-- 
José A. Ruiz-Arias
Solar Radiation and Atmosphere Modelling Group
http://matras.ujaen.es
http://www.ujaen.es/investiga/tep220
Physics Department, University of Jaén
Campus Lagunillas, Building A3 066
23071 Jaén Spain
Tlf: +34 953 212 474
Fax: +34 953 212 838