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Health Of Coral Reefs Detected From Orbit

Date:
October 5, 2005
Source:
European Space Agency
Summary:
Australian researchers have found Envisat's MERIS sensor can detect coral bleaching down to ten metres deep. This means Envisat could potentially monitor impacted coral reefs worldwide on a twice-weekly basis. Coral bleaching happens when symbiotic algae living in symbiosis with living coral polyps (and providing them their distinctive colours) are expelled. The whitening coral may die with subsequent impacts on the reef ecosystem, and thus fisheries, regional tourism and coastal protection.

An Envisat MERIS image of the Great Barrier Reef off Australia's Queensland coast, centred on Cape York Peninsula. Taken on 19 August 2004, this MERIS Full Resolution mode images has a spatial resolution of 300 metres.
Credit: ESA


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The above story is based on materials provided by European Space Agency. Note: Materials may be edited for content and length.


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European Space Agency. "Health Of Coral Reefs Detected From Orbit." ScienceDaily. ScienceDaily, 5 October 2005. <www.sciencedaily.com/releases/2005/10/051005075206.htm>.
European Space Agency. (2005, October 5). Health Of Coral Reefs Detected From Orbit. ScienceDaily. Retrieved April 25, 2014 from www.sciencedaily.com/releases/2005/10/051005075206.htm
European Space Agency. "Health Of Coral Reefs Detected From Orbit." ScienceDaily. www.sciencedaily.com/releases/2005/10/051005075206.htm (accessed April 25, 2014).

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