GEOS 212 1st Edition Lecture 12 Outline of Last Lecture Dynamics within oceans driven mainly by atmosphere processes Atmosphere 10 km thick Gases Oxygen Carbon Dioxide Water vapor plus Nitrogen Argon Hydrogen Light temperature pressure changes with elevation Evaporation of water requires energy to evaporate Condensation of water e g rainfall releases energy wind turbulence lightning etc Atmosphere huge transport of water sun energy Energy is transported within water vapor Origin of rain and storms in Tucson Humidity as an indicator of water in atmosphere Sun energy on fixed Earth and spinning Earth Simple circulation in the atmosphere 2 cells More complex circulation Coriolis force effect Wind patterns on Earth Real circulation Wind belts Early explorers Outline of Current Lecture Climate Surface Currents Heat Transport These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute Model of atmosphere circulation differences between simple non rotating model and real Earth Hadley cells Trade Winds Westerlies Polar Easterlies Explanation for rainy at Equator and 60o N S and dry at 30o N S and poles Surface currents gyres simple diagrams real currents FIVE reasons why they are important 1 Salinity 2 Temperature of seawater 3 Control on climate SW versus SE USA 4 Carries heat from equator 5 One of the main controls on life in the oceans Gulf Stream video Basics of energy transfer during evaporation and rainfall Energy transfer on Earth by evaporation and rainfall Lightning video Current Lecture Atmosphere
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