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In the subtropics the saltiest water is generally at the surface, why?
What causes low salinity in the oceans at high latitudes?In subtropical latitudes, high surface evaporation creates high salinity near the sea surface. In subpolar latitudes, high precipitation creates low salinity near the sea surface. As these waters flow into the ocean interior, they create layers of high and low salinity.
How is sea ice different to freshwater ice?
Sea ice contains frozen minerals, such as salt, that is not frozen into freshwater ice.
How does the ice at the North Pole form?
it forms by the water in the sea freezing up because it is cold at the north pole.
What is the name of the thick layer of ice and snow that has formed permanent crust over Alaska and antarctica?
The ocean waters freeze in winter. This is referred to as sea ice. Ice in the form of glaciers being pushed out over the ocean is called an ice shelf.
Does the antarctic treaty cover the ice and sea or just the ice?
just the ice.
In the subtropics the saltiest water is generally at the surface, why?
What causes low salinity in the oceans at high latitudes?In subtropical latitudes, high surface evaporation creates high salinity near the sea surface. In subpolar latitudes, high precipitation creates low salinity near the sea surface. As these waters flow into the ocean interior, they create layers of high and low salinity.
What is the sofar layer?
At the low and middle latitudes, the SOFAR channel axis lies between 600-1200 meters below the sea surface. It is deepest in the subtropics, and it comes to the surface in high latitudes, where the sound propagates in the surface layer.
What are the frozen seas made of?
The frozen sea is a sea that has become so cooled as to allow ice to form on the surface.
What are the frozen seas made up of?
The frozen sea is a sea that has become so cooled as to allow ice to form on the surface.
There are two ice caps on Earth what are their names?
A polar ice cap is a high latitude region of a planet that is covered in ice. The two ice caps on Earth are the Antarctic ice sheet and the Arctic sea ice.
What are the latitudes and longitudes of the red sea?
20°N, 39°E
How did the formation of glaciers during the ice age allow for to north America?
The glaciers accumulated precipitation in the upper latitudes, and locked more of the evaporated sea water into permanent ice. This had the effect of slowly lowering sea levels during the Ice Ages. The ocean in the Bering Strait is relatively shallow, and the sea floor was therefore above sea level for thousands of years, until the glaciers melted and returned water to the oceans. This land bridge allowed hunters to pursue prey that had migrated to the Americas.
How did drakes Estero Form?
Esturries form when the sea floods a river valley. As the sea level rose at the end of the ice age, the sea flowed into the river valleys that drained the point reyes peninsular. This formed the estury.
How did the formation of glaciers during the Ice Age allow for migration to North America?
The glaciers accumulated precipitation in the upper latitudes, and locked more of the evaporated sea water into permanent ice. This had the effect of slowly lowering sea levels during the Ice Ages. The ocean in the Bering Strait is relatively shallow, and the sea floor was therefore above sea level for thousands of years, until the glaciers melted and returned water to the oceans. This land bridge allowed hunters to pursue prey that had migrated to the Americas.
What will happen in the next ice age?
Climate will get cooler and drier, starting at the poles and creeping toward the tropics with time. Sea levels shall fall and forests dry away, giving place to desert and grasslands. With some millenia, big ice sheets could form over northern latitudes, starting at Quebec and Scandinavia and growing until they covered much of Canada and northern Europe.
How is sea ice different to freshwater ice?
Sea ice contains frozen minerals, such as salt, that is not frozen into freshwater ice.
Why should you concerned of rising sea levels?
Because if the sea level rises to much (because of the melting ice caps) it can cause floods of land that are not that high above sea level.
