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Two categories of ice have to be considered in context of oceanic freshwater fluxes: sea ice and (recently) grounded ice like ice shelfs and icebergs. Sea ice is considered as part of the oceanic water budget, therefore, its melting or freezing states not an input or output of water in general.
Broken pieces of Arctic sea ice with a snow cover. Sea ice arises as seawater freezes. Because ice is less dense than water, it floats on the ocean's surface (as does fresh water ice). Sea ice covers about 7% of the Earth's surface and about 12% of the world's oceans.
Jefferson's Bourbon is a Louisville, Kentucky–based brand of bourbon whiskey.The brand was first released in 1997, and is distributed by the Castle Brands. Jefferson's has used experimental blending and aging techniques, such as aging bourbon at sea, where wave action can affect the product's development.
Fully formed sea ice can be forced together by currents and winds to form pressure ridges up to 12 metres (39 ft) tall. [53] On the other hand, active wave activity can reduce sea ice to small, regularly shaped pieces, known as pancake ice. [54] Sometimes, wind and wave activity "polishes" sea ice to perfectly spherical pieces known as ice eggs.
Most water in Earth's atmosphere and crust comes from saline seawater, while fresh water accounts for nearly 1% of the total. The vast bulk of the water on Earth is saline or salt water, with an average salinity of 35‰ (or 3.5%, roughly equivalent to 34 grams of salts in 1 kg of seawater), though this varies slightly according to the amount of runoff received from surrounding land.
It joins the Atlantic Ocean near Greenland and Iceland and joins the Pacific Ocean at the Bering Strait. It overlies the North Pole, touching North America in the Western Hemisphere and Scandinavia and Siberia in the Eastern Hemisphere. The Arctic Ocean is partially covered in sea ice, the extent of which varies according to the season.
“The Southern Ocean is very stormy in general (but) in the Drake you’re really squeezing (the water) between the Antarctic and the southern hemisphere,” he adds. “That intensifies the ...
The Arctic sea ice covers less area in the summer than in the winter. The multi-year (i.e. perennial) sea ice covers nearly all of the central deep basins. The Arctic sea ice and its related biota are unique, and the year-round persistence of the ice has allowed the development of ice endemic species, meaning species not found anywhere else.