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Judy
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FranThe main reasons for higher salt content in surface ocean water are evaporation and formation of sea ice. As water evaporates, salt is left behind, causing an increase in salinity. In regions where sea ice forms, the salt is expelled, further increasing the salinity of the remaining water.
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Is it possible for a volcano to lie beneath the surface of the ocean?
Yes, it is possible for a volcano to lie beneath the surface of the ocean. These are known as submarine volcanoes or seamounts. When they erupt, they can create new underwater landforms and contribute to the formation of underwater mountain ranges.
How is upwelled water different from water around it?
Upwelled water is cooler, nutrient-rich, and has higher concentrations of dissolved gases compared to the surrounding water. This is because upwelling brings nutrient-rich water from deeper ocean layers up to the surface, supporting higher productivity in marine ecosystems.
Where in the ocean does the water droplet need to be located in order to evaporate?
Evaporation occur at the surface of the ocean.
How is ocean water salinity different in tropical areas than at the north an south poles?
Surface water slainity is higher in tropical regions.
Do deep ocean currents and surface currents mix?
Deep ocean currents and surface currents do interact and influence each other. While they flow at different depths and have different driving factors (wind for surface currents and density for deep currents), they are connected through the global ocean circulation system. Changes in one can impact the other over time.
