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Barriers


SVS >> Barriers
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Located in tropical latitudes, the hard structures we know as coral are really the incremental build-ups of calcium carbonate deposited from the skeletal remains of these tiny colonial animals. 2012 Landsat 7 Looks at Pseudo Atolls
Near infrared data makes some areas on the reef jump out in bright red relief. The near infrared band best gathers the electromagnetic signature of a thriving ecosystem. 2011 Landsat 7 Looks at Barriers
But over time, while the surrounding ocean wears away the main body of the island, the coral ring remains. 2010 Landsat 7 Looks at Banks