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Ocean Temperature & Salinity Video Lecture | Geography for UPSC CSE
FAQs on Ocean Temperature & Salinity Video Lecture - Geography for UPSC CSE
| 1. How does ocean temperature affect climate? |  |
Ans. Ocean temperature plays a crucial role in regulating climate. The warm or cold water currents in the ocean affect the temperature and moisture content of the adjacent air masses. This, in turn, influences weather patterns and climate conditions in the surrounding regions. For example, warm ocean currents can lead to milder winters in coastal areas, while cold ocean currents can result in cooler summers.
| 2. What factors influence changes in ocean temperature? | |
Ans. Several factors can influence changes in ocean temperature. One of the primary factors is solar radiation, as the sun's energy warms the surface layer of the ocean. Additionally, wind patterns, ocean currents, and the exchange of heat with the atmosphere also contribute to changes in ocean temperature. Natural climate phenomena like El Niño and La Niña can significantly impact ocean temperatures as well.
| 3. How does salinity affect ocean temperature? | |
Ans. Salinity, or the concentration of dissolved salts in seawater, affects ocean temperature by influencing its density. Higher salinity increases the density of seawater, making it less likely to mix with colder water layers. This can lead to the formation of stable layers, known as thermoclines, where the temperature changes rapidly with depth. The presence of thermoclines can affect marine ecosystems and influence the distribution of marine organisms.
| 4. What are the consequences of rising ocean temperatures? | |
Ans. Rising ocean temperatures have various consequences. They can lead to the bleaching and death of coral reefs, as corals are highly sensitive to even slight temperature increases. Warmer ocean waters also provide favorable conditions for the intensification of hurricanes and tropical storms. Additionally, rising ocean temperatures can disrupt marine food webs, affecting the distribution and abundance of marine species, including fish and plankton.
| 5. How is ocean temperature measured? | |
Ans. Ocean temperature is measured using a variety of methods. One common method is through the use of temperature sensors called thermometers, which are attached to buoys, ships, or floats and deployed in the ocean. Satellite remote sensing is another method where infrared sensors measure the sea surface temperature from space. Additionally, research vessels and autonomous underwater vehicles are also used to collect temperature data at various depths in the ocean.
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