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Layered Ocean - MARS 1010 Objectives A Layered Ocean...

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MARS 1010 - Objectives A Layered Ocean – Density driven circulation Reading Assignment: Chapter 8 in World’s Ocean, 9 th edition, Sverdrup and Armbrust 1. What physical processes determine the temperature and salinity of ocean water? Where the particular body of water is, the evaporation, and the precipitation. a. Where do water masses get their temperature and salinity characteristics? Salinity may be affected by ice melting, evaporation, and precipitation, so it depends where a particular water mass is. b. How is density controlled by temperature and salinity? As temperature increases, density decreases. As salinity increases, density increases. Temperature has the greatest effect on density at high temperatures Salinity has the greatest effect on density at low temperatures. 2. How do salinity, temperature, and density vary with depth? The higher the salinity, the more dense so it sinks. The colder the water, the more dense so it sinks. a. What is a mixed layer? b. What is a thermocline? Halocline? Pycnocline?
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