Coral_atoll_formation_animation.gif ((320 × 237 пиксел, ҳаҷми парванда: 38 кбайт, навъи MIME: image/gif), looped, 15 frames, 12 s)

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Тавсифот
English: This animation shows the dynamic process of how a coral atoll forms. Corals (represented in tan and purple) begin to settle and grow around an oceanic island forming a fringing reef. It can take as long as 10,000 years for a fringing reef to form. Over the next 100,000 years, if conditions are favorable, the reef will continue to expand. As the reef expands, the interior island usually begins to subside and the fringing reef turns into a barrier reef. When the island completely subsides beneath the water leaving a ring of growing coral with an open lagoon in its center, it is called an atoll. The process of atoll formation may take as long as 30,000,000 years to occur.
Сана circa 2004
date QS:P,+2004-00-00T00:00:00Z/9,P1480,Q5727902
[1]
Манбаъ http://www.oceanservice.noaa.gov/education/kits/corals/media/supp_coral04a.html
Муаллиф NOAA[2]
Иҷозат
(Пешроҳандозии ин парванда)
Public domain
This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration, taken or made as part of an employee's official duties.

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checksum Англисӣ

4d2bb0f0128e7c6380040b7284cf17c5bfa96df7

data size Англисӣ

38733 Байт

11.799999999999999 сония

320 pixel

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ТаърихБандангуштӣАндозаКорбарТавзеҳ
нусхаи феълӣ21:32, 28 Январ 2006Акси бандангуштӣ аз нусхаи то 21:32, 28 Январ 2006320 × 237 (38 кбайт)Normann ZThis animation shows the dynamic process of how a coral atoll forms. Corals (represented in tan and purple) begin to settle and grow around an oceanic island forming a fringing reef. It can take as long as 10,000 years for a fringing reef to form. Ove

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