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10_physical_ocean_1

10_physical_ocean_1 - Ocean Dynamics Outline 1 Overview of...

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1 Ocean Dynamics Outline 1. Overview of Observed Physical Patterns Winds, Ocean Temperature, Salinity, Surface + Deep Currents 2. Atmospheric Circulation Coriolis Force, Atmospheric Convection, Hadley Circulation, Surface Wind Patterns 3. Density Structure of the Ocean Salinity Variations, Ocean Heating and Cooling, Seawater Density, Buoyancy and Density Stratification 4. Wind-Driven Surface Circulation Acting Forces, Ekman Transport in the Surface Ocean, Geostrophic Currents in the Subsurface Ocean, Subtropical Gyre Circulation, Equatorial and Coastal Upwelling 5. Thermohaline Circulation of the Deep Ocean Water Mass Identification by T-S Signature, Rate of Movement with 14 C, Location of Deepwater Formation, Global Conveyor Belt Circulation and Global Heat Transport Latitudinal Regions of the Word’s Oceans
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2 Global Surface Wind Patterns Basic Observations: 1. Three primary wind belts 2. Contained with Latitude Bands 0º-30º 30º-60º 60º-90º 3. Alternate direction Ocean Surface Temperature Degrees Celsius Basic Observation: 1. Warmest water along the equator in the western ocean basins 2. Coldest water near the poles 3. Tongue of colder water along the equator Atlantic Ocean Temperature at Depth (Meridional Section) Basic Observations: 1. Warm thin surface layer 2. Cold thick deep layer 3. Thermocline separates the warm and cold layers
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3 Parts per Thousand Ocean Surface Salinity Basic Observations: 1. Saltiest water in the subtropics 2. Atlantic considerably more salty than the other oceans 3. North Pacific the freshest of all regions Atlantic Ocean Salinity at Depth (Meridional Section) Basic Observations: 1. High salinity in surface layer in subtropics 2. Deep-ocean salinity more uniform and generally matches
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