Calculating Solar Radiation and Related Variables Based on Location, Time and Topographical Conditions

For surface energy models and estimation of solar positions and components with varying topography, time and locations. The functions calculate solar top-of-atmosphere, open, diffuse and direct components, atmospheric transmittance and diffuse factors, day length, sunrise and sunset, solar azimuth, zenith, altitude, incidence, and hour angles, earth declination angle, equation of time, and solar constant. Details about the methods and equations are explained in Seyednasrollah, Bijan, Mukesh Kumar, and Timothy E. Link. 'On the role of vegetation density on net snow cover radiation at the forest floor.' Journal of Geophysical Research: Atmospheres 118.15 (2013): 8359-8374, .


License: AGPL v3 lifecycle Travis CI Coverage status DOI CRAN status Downloads Downloads

The 'solrad' R package is to be used in surface energy models and estimation of solar positions and components with varying topography, time and locations. The functions calculate solar top-of-atmosphere, open, diffuse and direct components, atmospheric transmittance and diffuse factors, day length, sunrise and sunset, solar azimuth, zenith, altitude, incidence, and hour angles, earth declination angle, equation of time, and solar constant.

The R package is developed and maintained by Bijan Seyednarollah.

References:

  1. Seyednasrollah, B., M. Kumar, and T. E. Link (2013), On the role of vegetation density on net snow cover radiation at the forest floor, J. Geophys. Res. Atmos., 118, 8359–8374, doi:10.1002/jgrd.50575.
  2. Kalogirou, Soteris A. Solar energy engineering: processes and systems. Academic Press, 2013.

News

2018-11-04: New realese with general code clean up!

2018-05-18: The solrad R package is released on CRAN!

2017-12-31: The very first version of solrad R package is built!

Reference manual

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install.packages("solrad")

1.0.0 by Bijan Seyednasrollah, 5 months ago


https://github.com/bnasr/solrad/


Report a bug at https://github.com/bnasr/solrad/issues


Browse source code at https://github.com/cran/solrad


Authors: Bijan Seyednasrollah


Documentation:   PDF Manual  


AGPL-3 | file LICENSE license


Suggests testthat, rmarkdown, knitr


See at CRAN