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Polar stratospheric cloud - Wikipedia
Polar stratospheric clouds (PSCs), also known as nacreous clouds (/ ˈ n eɪ k r i ə s /, from nacre, or mother of pearl, due to its iridescence), are clouds in the winter polar stratosphere at altitudes of 15,000–25,000 m (49,000–82,000 ft).
Glossary of Terms: P - Physical Geography
Pacific High High pressure system that develops over the central Pacific Ocean near the Hawaiian Islands.
The Ozone Hole
Ozone Destruction. NASA Earth Observatory (Illustration courtesy Barbara Summey, SSAI) Understanding Stratospheric Ozone Depletion . Our understanding of stratospheric ozone depletion has been obtained through a combination of laboratory studies, computer models, and atmospheric observatio
The Ozone Hole
The Ozone Hole 2017. Antarctic Situation at 2017 September 11 British Antarctic Survey Ozone Bulletin. Antarctic ozone today: The atmospheric circulation remains in its winter mode, with the polar vortex near its largest.
Eocene - Wikipedia
The Eocene (/ ˈ iː ə ˌ s iː n, ˈ iː oʊ-/) Epoch, lasting from , is a major division of the geologic timescale and the second epoch of the Paleogene Period in the Cenozoic Era.
Top 10 Unusual but Fascinating Cloud Formations - Toptenz.net
What is the sky without little fluffy clouds? Boring if you ask me. A cloudless plain sky is like a garden without flowers. Clouds can generally be
Rutgers University–New Brunswick
Rutgers University–New Brunswick is one of the nation's premier public research universities and a member of the Association of American Universities, the Big Ten Conference, and the Big Ten Academic Alliance.
10 Amazing Rare Cloud Formations in Images - Listverse
Unlike the similar Polar Stratospheric clouds, noctilucent (or polar mesospheric clouds) occur in the polar mesosphere. These clouds are only visible when the sun is below the horizon and they are composed entirely of ice.