EOS 110 Lecture Notes - Lecture 1: Thermosphere, Stratopause, Northern Hemisphere

• School: University of Victoria
• Department: Earth and Ocean Sciences
• Course: EOS 110
• Professor: eos110

Document Summary

Regions nears the equator are warm throughout the year. This is due to a higher concentration of light rays hitting the equator, when the region is at an angle the light rays have to cover a larger surface area. Dependant on the 23. 5 tilt of the earth. Regions become cooler as the sun rays have to cover a larger amount of surface area in the winter months. Solstice: tilt maximum 23. 5 , winter solstice in the northern hemisphere december 21, summer solstice in the northern hemisphere june 21. Equinox: everywhere on earth receives 12 hours of sunlight, vernal march 21, autumnal september 21. Tropic of cancer: sunlight directly overhead during the summer solstice at this region, 23. 5 n of the equator. Tropic of capricorn: sunlight directly overhead during the winter solstice in this region, 23. 5 s of the equator. 78% nitrogen, 21% oxygen and other gases 1% Troposphere: layer closest to earth"s surface.