A marine ecologist at Oregon State University has been tracking oxygen levels in the ocean and predicted a huge dead zone off the coast of Oregon and Washington this year. So far, the reality has been worse than they predicted. KGW8 reports scientists have tracked similar dead zones in the past but this one is on track to be bigger and much closer to shore than they had anticipated.

Back in 2006, crabs littered the ocean floor off Oregon’s coast. There were no fish to speak of. It was a dead zone. One of the first researchers had discovered off Oregon’s coast.  Dead zones happen when the winds create upwelling, which causes oxygen levels in the ocean to drop so low that marine life can’t survive. In 2006, researchers measured no oxygen in the water.

“In years where the summer starts early, those are the years we see the worst hypoxic low oxygen zones.” –Oregon State University Marine Ecologist Dr. Francis Chan

Chan has been tracking oxygen levels in the ocean ever since. And this past spring he predicted another dead zone this summer.

“Unfortunately we were right, those predictions were right and we are seeing very low dissolved oxygen waters.”

This year is shaping up to be much like 2006, only much bigger and closer to shore. A recent NOAA research trip discovered a low oxygen zone stretching from northern Washington all the way down through Oregon and only about 6 miles offshore.

“It followed the model projections pretty well except it got closer to the coast than what we expected. It was a little more intense than we expected and certainly closer the coast.” –NOAA Senior Scientist Richard Feely

And the closer these dead zones get to the shore, the more impact they have on fisheries, especially the crabbing industry. Which is why the researchers will continue monitoring our ocean, checking on the marine life and tracking something, they believe, could be here to stay.

“One of they ways climate change is expressed in the ocean is through the expansion of things like these low dissolved oxygen zones. This is one of the harbingers of climate change.” –Dr. Francis Chan

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