polar zone

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Noun1.polar zone - the part of the Earth's surface forming a cap over a polepolar zone - the part of the Earth's surface forming a cap over a pole; characterized by frigid climate
climatic zone - any of the geographical zones loosely divided according to prevailing climate and latitude
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References in periodicals archive ?
It corresponds to zero rate of the apogee drift due to the second zonal harmonic of the Earth gravitational field, and insures a stable position of apogee over the polar zone. If the HEO orbit inclination differs from the critical value, then the apogee gradually drifts toward the equator.
Synoptic charts emphasized the divide between sub-Tropical and Temperate with stormy conditions south of the Cape which have been restricted from much northward extension, yet with excessive pressure gradients recurrent across the Southern Ocean southward to the Polar zone. The input of warm air across the Southern Ocean adds to the development of the warm front, an essential ingredient for the vortex formation and the subsequent build-up of the cold front driving the vortex eastward.
Feel a real iceberg in the Polar zone and in Restless Earth experience a volcano erupting beneath your feet, accompanied by a molten lava flow.
Wannabe theme-park magnates must progress through 15 levels, built around three different themes, Polar Zone, Land of Invention and Arabian Nights.
The hoop stretch [[lambda].sub.[theta][theta]] is the ratio between the current length of the profile contour of the polar zone l and the initial length of the polar zone [l.sub.0]
The intrusion of warmer air into the polar zone would explain the bouts of colder weather, snow falls in particular, which northern winters have brought out.