Palmyra Atoll: Frontline of Climate Change
Palmyra Atoll: Frontline of Climate Change
2020年4月22日
nature.org
75K views · 1.6K reactions | Palmyra Atoll is an uninhabited coral...
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75K views · 1.6K reactions | Palmyra Atoll is an uninhabited coral...
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33K views · 191 reactions | The vibrant reefs of Addu Atoll, Maldives  . #coralreef #ocean #underwater #nature #fish #beautifuldestinations #underwaterlife #underwatervideos #marinelife #scubadivingtrip #scubadiving_is_mylife #divingwithfriends #divinginstructor #divinginmaldives Addu City Visit Maldives Scuba Diving Magazine | Aquaventure Dive Center - Addu Maldives | Facebook
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33K views · 191 reactions | The vibrant reefs of Addu Atoll, Maldives  . #…
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Video: Formation of a sea stack
Video: Formation of a sea stack
2023年2月6日
timeforgeography.co.uk
In a newer theory of atoll formation, dropping sea levels expose the top of a flat-topped bank of carbonate rocks. Rainwater pools and dissolves some of that carbonate, forming a depression atop the exposed bank. When sea levels rise again, fresh coral builds up atop the raised circular edge of the depression, forming an atoll. Prior to this, Darwin's model was used — he believedcoral forms in a ring around a volcanic island. When the volcano sinks beneath the surface it leaves behind a circular
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In a newer theory of atoll formation, dropping sea levels expose the top o…
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