polar climate

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• 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 cyclone — Polar cyclones (also known as polar vortices , Arctic cyclones , and sub polar cyclones ) are vast areas of low pressure which strengthen in the winter and weaken in the summer.Halldór Björnsson. [http://andvari.vedur.is/… …   Wikipedia

• Climate of the Arctic — The climate of the Arctic is characterized by long, cold winters and short, cool summers. There is a large amount of variability in climate across the Arctic, but all regions experience extremes of solar radiation in both summer and winter. Some… …   Wikipedia

• Climate change in the Arctic — Very substantial decrease in Arctic Sea ice in 2007 from 2005 and also from 1979–2000 average …   Wikipedia

• 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

• Climate of Antarctica — Surface temperature of Antarctica in winter and summer The climate of Antarctica is the coldest on the whole of Earth. Antarctica has the lowest naturally occurring temperature ever recorded on the ground on Earth: −89.2 °C (−128.6 °F)… …   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

• Climate of Russia — The climate of Russia is formed under the influence of several determining factors. The enormous size of the country and the remoteness of many areas from the sea result in the dominance of the continental climate, which is prevalent in European… …   Wikipedia

• Climate of the United States — For change, see Climate change in the United States. Climate zones of the Continental United States. The United States includes a wide variety of climate types due to its large size, range of geographic features, and non contiguous arrangement.… …   Wikipedia

• Polar circle — The polar circle in Finland, 1975 …   Wikipedia

• Climate change and agriculture — are interrelated processes, both of which take place on a global scale.[1] Global warming is projected to have significant impacts on conditions affecting agriculture, including temperature, carbon dioxide, glacial run off, precipitation and the… …   Wikipedia