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Why are there two periods of maximum solar radiation at the equator?
Because over a long period of time, the sun appears to wiggle back and forth, north and south, between the Tropic of Cancer (23 degrees north latitude) and the Tropic of Capricorn (23 degrees south latitude), making a complete wiggle in one year. In the course of that process, it crosses the equator twice, and when it does, the equator experiences maximum solar radiation. Actually, when you think about it, EVERY spot on Earth that's anywhere between the Tropics of Cancer and Capricorn receives two peaks of solar radiation during a year.
What degrees in the equator is solar maximum?
Solar maximum can occur up to 42 degrees north of the equator as it did in 1859.
What are the short periods of climate change caused by changes in the amount of solar radiation an area receives?
Short periods of climate change caused by changes in the amount of solar radiation an area receives are known as solar forcing. This can lead to variations in Earth's climate, such as ice ages or interglacial periods. Changes in solar radiation can impact temperature and weather patterns on a regional or global scale.
What effect does solar radiation have on climate when comparing the equator to polar-region?
Equator has a lower angular deflection of sunlight and therefore warmer temperatures
In June why does the outer edge of the atmosphere at the equator receive less solar radiation than both the north pole and 40 degrees north latitude?
In June, the outer edge of the atmosphere at the equator receives less solar radiation than the north pole and 40 degrees north latitude because the angle of incidence of the sun's rays is lower at the equator due to the Earth's axial tilt. This results in the solar radiation being spread over a larger area at the equator compared to the more concentrated radiation received at higher latitudes.
