The proportion of Earth’s surface oceans covers, the average salinity of ocean water and the way in which density, salinity and temperature are related in each layer of ocean water.
Answer to Problem 1TYC
Oceans cover
Explanation of Solution
The ocean’s water form layers, with dense water at the bottom. The density of sea water is determined by temperature and salt content. Deep water is dense because it is cold. Surface water is generally salty because of evaporation. But the increase in density due to evaporation is more than offset by the decrease in density due to warming.
Approximately
The salinity, temperature and density are related in each layer of ocean on following ways:
Salinity: An increase in salinity adds dissolved substance and results in an increase in seawater density in each layer of ocean.
Temperature: As the ocean temperature decreases, its density increases. Cold water with high salinity is some of the highest density water in the world.
Density: Due to variation in salinity and temperature, density increases with increasing salinity and density decreases with increasing temperature.
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Chapter 16 Solutions
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