Calculate extraterrestrial solar radiation
'extrat' calculates hourly and daily extraterrestrial solar radiation for a given time and location.
extrat(i, lat)
i |
day number in the year (julian day) |
lat |
latitude in radians |
Solar radiation outside of the earth's atmosphere is called extraterrestrial solar radiation. It can be calculated based on solar geometry.
List of 3 elements:
ExtraTerrestrialSolarRadiationDaily |
daily sum of extraterrestrial radiation [MJm-2] |
TerrestrialSolarRadiationHourly |
vector of length 24 of hourly sums of extraterrestrial radiation [MJm-2] |
DayLength |
day length in hours |
Jedrzej S. Bojanowski
## extraterrestrial radiation and daylength for 1 January and latitude 55 degrees
extrat(dayOfYear("2011-01-01"), radians(55))Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.