Calculating daily global solar radiation at horizontal surface using several well-known models (i.e. Angstrom-Prescott, Supit-Van Kappel, Hargreaves, Bristow and Campbell, and Mahmood-Hubbard), and model calibration based on ground-truth data, and (3) model auto-calibration. The FAO Penmann-Monteith equation to calculate evapotranspiration is also included.

Functions for Calculating Daily Solar Radiation and
Evapotranspiration

package-ubuntu-20.04-r-4.0.5#cran#sirad-2.3-3

<p>Function gives a day number of the year (julian day of the year) based on the date in class 'Date'.
</p>

<table summary="R argblock"><tr valign="top">
<td><code>dat</code></td>
<td>

<p>Date in class 'Date'.
</p>
</td>
</tr></table>

package-ubuntu-20.04-r-4.0.5#cran#sirad-2.3-3#docs#dayOfYear

dayOfYear

Description

Usage

Arguments

Value

Author(s)

Examples

sirad

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