GEO 211 1st Edition Lecture 27 Outline of Last Lecture I. End of Chapter 9A. Santa and windsB. Desert windsa. Haboobb. HarmattanC. Dust devil (whirlwind)Outline of Current Lecture II. Ocean currentsA. Caused by:1. Prevailing wind2. Coriolis force3. Ocean temperature/salinity differences4. Tides5. Shoreline configuration B. Gyres- large scale, ocean circulation caused by subtropical anticyclone- Cold currents- Warm currents C. Importance of ocean currents1. Exchange of energy between low and high latitudes2. Sustaining global heat balance3. Moderate climate (weather) conditions in some areas D. Coasts with cold ocean currents experience:1. Frequent fog2. UpwellingCurrent LectureII. Ocean currents- Horizontal movement of surface ocean waters- Similar to jet streamsThese 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.- Ocean currents are cold or warmA. Caused by:1. Prevailing wind2. Coriolis force3. Ocean temperature/salinity differences4. Tides- caused by gravitational pull of the moon/sun5. Shoreline configuration- These factors create ocean circulation that stretches across an entire ocean basin called gyres B. Gyres- large scale, ocean circulation caused by subtropical anticyclone- Cold currents- flow equatorward along western coasts- Warm currents- flow poleward along eastern coasts C. Importance of ocean currents1. Exchange of energy between low and high latitudes2. Sustaining global heat balance3. Moderate climate (weather) conditions in some areas D. Coasts with cold ocean currents experience:1. Frequent fog2.
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