What is the mathematical function that determines the solar radiation received by the area defined by two parallels and two meridians depending on latitude? How can the tilt of the axis of rotation affect the received radiation?
This formula is very basic, and provides only the horizontal EXTRATERRESTRIAL irradiance, thus not taking any atmospheric effect into account.
Not of much practical application, considering the original question.
A basic but quite useful script in matlab. It provides an estimate of solar radiation anywhere in the planet for every minute of the year.
http://www.jhu.edu/~lhinnov1/paleoguide/tutorial1.html
Thank you M. Federico for the Matlab script.
Do you know please which model it uses for the solar radiation estimation?
This formula is very basic, and provides only the horizontal EXTRATERRESTRIAL irradiance, thus not taking any atmospheric effect into account.
Not of much practical application, considering the original question.
Solar irradiance at the earth surface is a strong function of latitude, but there are many atmospheric factors to consider too. You need to be more precise:
- Do you mean global, direct or diffuse irradiance?
- What is the time scale: hourly, daily, monthly...?
- Are you only interested in ideal clear-sky conditions, or actual/realsitic all-sky conditions?
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