Wednesday, September 20, 2006
Global warming creating coastal 'dead zone'
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manPosted by Beewitch Posted by Smurfette
(Sapa).
Grants Pass, Oregon - Bottom fish and crabs washing up dead on Oregon beaches are being killed by a recurring "dead zone" of low-oxygen water that is larger than in previous years and may be triggered by global warming, scientists said.
There are signs it is spreading north to Washington's Olympic Peninsula.
Scientists studying the 113km-long zone of oxygen-depleted water, along the Continental Shelf between Florence and Lincoln City, conclude that it is being caused by explosive blooms of tiny plants known as phytoplankton, which die and sink to the bottom, then are eaten by bacteria which use up the oxygen in the water.
The recurring phytoplankton blooms are triggered by northerly wind, which generates a process known as upwelling in which...
Read More...
manPosted by Beewitch Posted by Smurfette
(Sapa).
Grants Pass, Oregon - Bottom fish and crabs washing up dead on Oregon beaches are being killed by a recurring "dead zone" of low-oxygen water that is larger than in previous years and may be triggered by global warming, scientists said.
There are signs it is spreading north to Washington's Olympic Peninsula.
Scientists studying the 113km-long zone of oxygen-depleted water, along the Continental Shelf between Florence and Lincoln City, conclude that it is being caused by explosive blooms of tiny plants known as phytoplankton, which die and sink to the bottom, then are eaten by bacteria which use up the oxygen in the water.
The recurring phytoplankton blooms are triggered by northerly wind, which generates a process known as upwelling in which...
Read More...
