Research topic: stratosphere

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stratosphere

The Columbia Encyclopedia, Sixth Edition
stratosphere , second lowest layer of the earth's atmosphere . The level from which it extends outward varies with latitude; it begins c.5 1/2 mi (9 km) above the poles, c.6 or 7 mi (c.10 or 11 km) in the middle latitudes, and c.10 mi (16 km) at the equator, and extends outward c.20 mi (32 km). It is a zone of dry, thin air, cold and clear, with a horizontal temperature gradient, that, in its lower level, is the reverse of that near the earth's surface. In polar regions the temperature is -40°F to -50°F (-40°C to -46°C), but near the equator it ranges from -80°F to below... Read more
stratosphere
stratosphere The stratosphere is the atmospheric layer between the troposphere and the mesosphere...updraughts of several metres per second, cannot penetrate far into the stratosphere. Stratosphere literally means ‘layered sphere’... Read more
stratosphere
stratosphere The layer of the Earth's atmosphere immediately above...with those in the troposphere, temperatures in the stratosphere rise with increasing altitude, thus suppressing convection. The concentration of water vapour in the stratosphere is low, and clouds are rare. During the winter months... Read more

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