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Hydrosphere

Translation
Hydrosphere

A hydrosphere (from Greek "ύδωρ" - "hydor", "water" + "σφαίρα" - "sphaira", "sphere") in physical geography describes the collective mass of water found on, under, and over the surface of a planet.

Other hydrospheres

A thick hydrosphere is thought to exist around the Jovian moon Europa. The outer layer of this hydrosphere is almost entirely frozen, but current models predict that there is an ocean up to 100 km in depth underneath the ice. This ocean remains in a liquid form due to tidal flexing of the moon in its orbit around Jupiter.

It has been suggested that the Jovian moon Ganymede and the Saturnian moon Enceladus may also possess sub-surface oceans. However the ice covering is expected to be thicker on Jupiter's Ganymede than on Europa.

ee also

* Biosphere
* Cryosphere
* Earth's atmosphere
* Lithosphere
* Pedosphere
* Table of Global Climate System Components
* Water Cycle

References

External links

* [http://capp.water.usgs.gov/GIP/gw_gip/index.html Ground Water - USGS]


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  • hydrosphere — noun гидросфера …   Англо-русский словарь Мюллера

  • Hydrosphere — Hy dro*sphere, n. [Pref. hydro , 1 + sphere.] 1. (Meteor.) The aqueous vapor of the entire atmosphere. [Webster 1913 Suppl.] 2. (Phys. Geog.) The aqueous envelope of the earth, including the ocean, all lakes, streams, and underground waters, and… …   The Collaborative International Dictionary of English

  • hydrosphere — 1> гидросфера 2> влага, содержащаяся в атмосфере Земли …   Новый большой англо-русский словарь

  • hydrosphere — /huy dreuh sfear /, n. the water on or surrounding the surface of the globe, including the water of the oceans and the water in the atmosphere. [1885 90; HYDRO 1 + SPHERE] * * * Discontinuous layer of water at or near the Earth s surface. It… …   Universalium

  • hydrosphere — noun Etymology: International Scientific Vocabulary Date: 1887 the aqueous vapor of the atmosphere; broadly the aqueous envelope of the earth including bodies of water and aqueous vapor in the atmosphere • hydrospheric adjective …   New Collegiate Dictionary

  • hydrosphere — гидросфера …   Англо-русский словарь технических терминов

  • Hydrosphere — Hydrosphère L hydrosphère est la partie de la planète occupée par l eau liquide (océans, mers, lacs, fleuves, nappes phréatiques) et solide (calottes polaires, glaciers, banquise). Cette sphère s étend depuis environ 8 km d altitude (la cime des… …   Wikipédia en Français

  • hydrosphere — the waters on the Earth in the atmosphere, oceans, fresh waters, glaciers and snowfields and groundwater …   Dictionary of ichthyology

  • hydrosphere — n. [Gr. hydor, water; sphaira, ball] Aqueous envelope of the earth …   Dictionary of invertebrate zoology

  • hydrosphere — гидросфера …   Англо-русский геоэкологический словарь