Ocean salinity and temperature
Telangana Open School (TOSS) · Class 12 · Geography
Summary of Ocean salinity and temperature for Telangana Open School (TOSS) Class 12 Geography. Key concepts, important points, and chapter overview.
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Overview
The temperature and salinity of ocean water play a crucial role in shaping Earth's climate, marine life, and ocean currents. These two properties vary across different regions and depths due to natural processes like solar heating, evaporation, precipitation, and water movement. Understanding how an
Key Concepts
Ocean temperature refers to the degree
Ocean temperature refers to the degree of heat in seawater. It is mainly influenced by solar radiation and decreases from the equator towards the pole
As depth increases
As depth increases, ocean temperature decreases rapidly up to 200 meters (thermocline), then stabilizes below 1000 meters. The deep zone remains near
Salinity is the amount of dissolved
Salinity is the amount of dissolved salts in seawater, measured in parts per thousand (ppt). The average ocean salinity is 35 ppt, mainly composed of
Evaporation increases salinity by removing water
Evaporation increases salinity by removing water and leaving salts behind. Precipitation and freshwater inflow from rivers decrease salinity. Temperat
Learning Objectives
- Understand the properties of ocean water
- Study the distribution of ocean temperature
- Learn in detail about the salinity of seawater and its distribution
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