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17th July 2013

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Marine Cloud Brightening (MCB) to cool seas can protect coral reefs (EurekAlert)
The seeding of marine clouds to cool sea surface temperatures could protect threatened coral reefs from being bleached by warming oceans. Research, published in Atmospheric Science Letters, proposes that a targeted version of the geo-engineering technique could give coral a fifty year ‘breathing space’ to recover from acidification and warming.

"Coral bleaching over the last few decades has been caused by rising sea temperatures and ocean acidification," said Dr Alan Gadian, from Leeds University. "Our research focuses on how Marine Cloud Brightening (MCB) could quickly lower sea temperatures in targeted areas."

To brighten clouds unmanned vehicles are used to spray tiny seawater droplets, which rise into the cloud, thereby increasing their reflectivity and duration. In this way, more sunlight is bounced back into space, resulting in a cooling sea surface temperature.

Marine Cloud Brightening (MCB) to cool seas can protect coral reefs (EurekAlert)

The seeding of marine clouds to cool sea surface temperatures could protect threatened coral reefs from being bleached by warming oceans. Research, published in Atmospheric Science Letters, proposes that a targeted version of the geo-engineering technique could give coral a fifty year ‘breathing space’ to recover from acidification and warming.

"Coral bleaching over the last few decades has been caused by rising sea temperatures and ocean acidification," said Dr Alan Gadian, from Leeds University. "Our research focuses on how Marine Cloud Brightening (MCB) could quickly lower sea temperatures in targeted areas."

To brighten clouds unmanned vehicles are used to spray tiny seawater droplets, which rise into the cloud, thereby increasing their reflectivity and duration. In this way, more sunlight is bounced back into space, resulting in a cooling sea surface temperature.

Tagged: Marine Cloud BrighteningEnvironmentClimate changeOceanCoralBiologyScience

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    I’ve heard about this technology a few years ago when I attended a lecture by Gwynne Dyer at the University of Guelph,...
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