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  2. Pressure ridge (ice) - Wikipedia

    en.wikipedia.org/wiki/Pressure_ridge_(ice)

    The average keel depth of Arctic ridges is 4.5 m. The sail height is usually proportional to the square root of the ridge block thickness. Ice ridges in Fram Strait usually have a trapezoidal shape with a bottom horizontal section covering around 17% of the total ridge width and with a mean draft of 7 m, [ 16 ] while ice ridges in the Chukchi ...

  3. Pingo - Wikipedia

    en.wikipedia.org/wiki/Pingo

    Areas of Central Asia are known to have pingos at the highest elevations in the world. [9] For example, the Tibetan Plateau has pingos at above 4,000 m (13,000 ft) in elevation due to its permanently frozen terrain. This environment is perfect for pingo production, and the cold, dry permafrost along with cold temperatures deters pingo collapse.

  4. Polar ice cap - Wikipedia

    en.wikipedia.org/wiki/Polar_ice_cap

    At the same time, the Arctic has been losing around 50 cubic kilometres (gigatons) of land ice per year, almost entirely from Greenland's 2.6 million gigaton sheet. On 19 September 2014, for the first time since 1979, Antarctic sea ice extent exceeded 7.72 million square miles (20 million square kilometres), according to the National Snow and ...

  5. Martian polar ice caps - Wikipedia

    en.wikipedia.org/wiki/Martian_polar_ice_caps

    1995 photo of Mars showing approximate size of the polar caps. The planet Mars has two permanent polar ice caps of water ice and some dry ice (frozen carbon dioxide, CO 2).Above kilometer-thick layers of water ice permafrost, slabs of dry ice are deposited during a pole's winter, [1] [2] lying in continuous darkness, causing 25–30% of the atmosphere being deposited annually at either of the ...

  6. West Antarctic Ice Sheet - Wikipedia

    en.wikipedia.org/wiki/West_Antarctic_Ice_Sheet

    A map of West Antarctica. The total volume of the entire Antarctic ice sheet is estimated at 26.92 million km 3 (6.46 million cu mi), [2] while the WAIS contains about 2.1 million km 3 (530,000 cu mi) in ice that is above the sea level, and ~1 million km 3 (240,000 cu mi) in ice that is below it. [20]

  7. Ice sheet - Wikipedia

    en.wikipedia.org/wiki/Ice_sheet

    Greenland ice sheet as seen from space. An ice sheet is a body of ice which covers a land area of continental size - meaning that it exceeds 50,000 km 2. [4] The currently existing two ice sheets in Greenland and Antarctica have a much greater area than this minimum definition, measuring at 1.7 million km 2 and 14 million km 2, respectively.

  8. Surreal ice formation makes frozen lake look like stained ...

    www.aol.com/surreal-ice-formation-makes-frozen...

    The jagged pieces were up to 3 feet long.

  9. Arctic ice pack - Wikipedia

    en.wikipedia.org/wiki/Arctic_ice_pack

    The Arctic ice pack is the sea ice cover of the Arctic Ocean and its vicinity. The Arctic ice pack undergoes a regular seasonal cycle in which ice melts in spring and summer, reaches a minimum around mid-September, then increases during fall and winter. Summer ice cover in the Arctic is about 50% of winter cover. [1]