Petersburg Pilot -

Fish Factor: West coast warm water blob impacting marine food chain

 


Fish deaths, drought in California, tropical creatures appearing in cold waters – those freakish happenings and more are being blamed on a giant splotch of warm water that for two years has been pushing against coastlines on the West Coast, Canada and into Alaska.

“They call it the Blob because of its original circular shape on the sea surface,” explained Dr. Carol Janzen, an oceanographer and Operations Director at the Alaska Ocean Observing System in Anchorage.

“However, this feature is not static, it’s constantly reshaping itself in circulation from mixing, so over the course o...



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