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  2. Water cycle - Wikipedia

    en.wikipedia.org/wiki/Water_cycle

    It is also estimated that the oceans supply about 90% of the evaporated water that goes into the water cycle. [20] The Earth's ice caps, glaciers, and permanent snowpack stores another 24,064,000 km 3 accounting for only 1.7% of the planet's total water volume. However, this quantity of water is 68.7% of all freshwater on the planet.

  3. Marine biogeochemical cycles - Wikipedia

    en.wikipedia.org/wiki/Marine_biogeochemical_cycles

    This process is known as thermohaline circulation. In the Earth's polar regions ocean water gets very cold, forming sea ice. As a consequence the surrounding seawater gets saltier, because when sea ice forms, the salt is left behind. As the seawater gets saltier, its density increases, and it starts to sink.

  4. Sea ice - Wikipedia

    en.wikipedia.org/wiki/Sea_ice

    Air volume fraction during ice growth period is typically around 1–2 %, but may substantially increase upon ice warming. [18] Air volume of sea ice in can be as high as 15 % in summer [19] and 4 % in autumn. [20] Both brine and air volumes influence sea-ice density values, which are typically around 840–910 kg/m 3 for first-year ice. Sea ...

  5. Ice - Wikipedia

    en.wikipedia.org/wiki/Ice

    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.

  6. Southern Ocean overturning circulation - Wikipedia

    en.wikipedia.org/wiki/Southern_Ocean_overturning...

    The formation of sea-ice is accompanied by brine rejection, resulting in water with a higher salinity and density and therefore buoyancy loss. When ice melts there is a freshwater flow and exposure to the atmosphere. If water turns into ice, there is more salt in the water and less exposure to the atmosphere.

  7. EXPLAINER: Water Cube where Phelps ruled turns into Ice ... - AOL

    www.aol.com/news/explainer-water-cube-where...

    Somewhere under the four sheets of curling ice being used for the Beijing Olympics is the swimming pool where Michael Phelps splashed his way to history in the 2008 Summer Games. At first glance ...

  8. Water vapor - Wikipedia

    en.wikipedia.org/wiki/Water_vapor

    The percentage of water vapor in surface air varies from 0.01% at -42 °C (-44 °F) [15] to 4.24% when the dew point is 30 °C (86 °F). [16] Over 99% of atmospheric water is in the form of vapour, rather than liquid water or ice, [17] and approximately 99.13% of the water vapour is contained in the troposphere.

  9. New phase of water, known as "superionic ice," discovered ...

    www.aol.com/news/phase-water-known-superionic...

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