Analysis of the Coral Reef Evolution Based on Satellite Remote Sensing Images

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Abstract:

Based on analysis of the ETM+ and TM remote sensing images of LandSAT satellites, the stability and evolution characteristics of the nearshore coral reefs at Changjiang, China was investigated. The results showed that the maximum distance from the outside edge of the coral reefs to the shoreline is 1.1km, and the corresponding minimum distance is 200m. From 1973 to 2013, the locations of coral reef chain are relatively stable with maximum variation 50m. Generally, the natural tidal currents and waves can not destroy the coral reefs, and the human activities do not change the biological environment of the coastal area. Therefore, the Changjiang coral reefs could keep stable in the long term.

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1719-1723

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July 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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