SIO 15 Lecture Notes - Lecture 15: Water Vapor, Dew Point, Solar Irradiance
19 Dec 2018
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Document Summary
It is winter in mexico city when it is winter in san diego. The san diego river flows through san diego"s mission valley. Equator receives 2. 4 more energy than poles. Highest insolation changes during the year (equator: spring and fall equinox, tropic of. Cancer (23. 5 n): norther summer solstice, june 20 or 21, tropic of capricorn (23. 5 s): northern winter solstice, dec 21 or 22. Sun"s energy gets: 30% reflected, 51% absorbed at earth"s surface, 19% absorbed by atmosphere. Earth emits more infra-red (ir) radiation than it receives. Actual climate zones depend on latitude, altitude (temp decrease with elevation), proximity to water (great heat capacity) and ocean currents (cool) Greenhouse gases: natural- co2, h2o, ch4 anthropogenic: co2 (burning fossil fuel) ch4 (agriculture) Mesosphere: meteors occur, doesn"t absorb much sunlight. Absolute humidity: water content in air, relative humidity: ratio between measured. Ionosphere (magnetic field), hosts auroras borealis and australis water content and max. possible amount of water air can hold.
