Category: Science Brief

News Archive

Oyster Prospecting with Landsat 8

In the first study of its kind, researchers from the University of Maine have demonstrated that Landsat 8 satellite data can be used to find locations where oysters farms should thrive.

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Landsat 8 Used to Pinpoint Shipwrecks

Nearshore shipwrecks can leave telltale sediment plumes at the sea’s surface that reveal their location. Using Landsat 8 data, researchers have detected plumes extending as far as 4 kilometers (~2.5 miles) downstream from shallow shipwreck sites. This discovery demonstrates that Landsat and Landsat-like satellites can be used to locate the watery graves of coastal shipwrecks.

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Despite Warming, Landsat Reveals Decadal Slowdowns on Greenland Ice Sheet

Ice sheets are in perpetual motion, making their way downslope like a river. If the amount of snow that an ice sheet accumulates does not keep pace with its loss to the sea, sea level will rise. As temperatures have climbed, positive feedback loops have led to an accelerated loss of ice sheet sections that touch the sea, but in an unexpected twist to the global warming saga, scientists have just discovered a negative feedback loop that is slowing down the Greenland Ice Sheet sections that end on land—a sliver of good news for sea-level rise.

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