polar caps

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• Polar wind — is the permanent outflow of ionization from the polar regions of the magnetosphere. [http://amsglossary.allenpress.com/glossary/browse?s=p p=43 AMS Glossary] ] Ionospheric Plasma SourceThe ‘ground state’ of the ionosphere consists of the baseline …   Wikipedia

• polar cap — noun A high latitude region of a celestial body that is covered by ice. Earths polar caps may melt if global warming continues …   Wiktionary

• Polar ice cap — A polar ice cap is a high latitude region of a planet or moon that is covered in ice. There are no requirements with respect to size or composition for a body of ice to be termed a polar ice cap, nor any geological requirement for it to be over… …   Wikipedia

• Polar region — Earth s polar regions are the areas of the globe surrounding the poles also known as frigid zones. The North Pole and South Pole being the centers, these regions are dominated by the polar ice caps, resting respectively on the Arctic Ocean and… …   Wikipedia

• polar ecosystem — Introduction       complex of living organisms in polar regions such as polar barrens and tundra.  Polar barrens and tundra are found at high latitudes on land surfaces not covered by perpetual ice and snow. These areas lying beyond the tree line …   Universalium

• Polar climate — Regions with a polar climate are characterized by a lack of warm summers (specifically, no month having an average temperature of 10 °C or higher).The tundra covers over 20% of the earth. The sun shines 24 hours in the summer, and barely shines… …   Wikipedia

• polar — po|lar [ˈpəulə US ˈpoulər] adj [Date: 1500 1600; : Modern Latin; Origin: polaris, from Latin polus; POLE1] 1.) close to or relating to the North Pole or the South Pole ▪ As our climate warms up, the polar ice caps will begin to melt. 2.) polar… …   Dictionary of contemporary English

• polar — adjective 1 close to, or connected with the North Pole and the South Pole: As our climate warms up, the polar ice caps will begin to melt. 2 technical related to one of the poles of a magnet 3 polar opposite/extreme something exactly or… …   Longman dictionary of contemporary English

• South Polar dinosaurs — During the Early Cretaceous the continent of Australia was still linked to Antarctica as a remnant of Gondwana that had rifted from Africa and drifted southward. Much of this southern continent lay inside the Antarctic Circle, and the climate… …   Wikipedia

• Byrd Polar Research Center — History = The Byrd Polar center at Ohio State University was established in 1960 as the Institute for Polar Studies. Research foci originally included geology, glaciology, and biology. The name was changed to [http://www bprc.mps.ohio state.edu… …   Wikipedia

• White caps — White White (hw[imac]t), a. [Compar. {Whiter} (hw[imac]t [ e]r); superl. {Whitest}.] [OE. whit, AS. hw[imac]t; akin to OFries. and OS. hw[=i]t, D. wit, G. weiss, OHG. w[=i]z, hw[=i]z, Icel. hv[=i]tr, Sw. hvit, Dan. hvid, Goth. hweits, Lith.… …   The Collaborative International Dictionary of English