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  • October 10, 2009

    Is El Niño Behind California Great White Shark Sightings?

    Thanks to Crazy Ivan for pointing this out to me – sort of an old post, but it’s worth posting here if you haven’t heard about this.

    Originally posted by Martin Brody on August 3, 2009 – The entire original article may be found here.

    A Great White Shark

    There’s been a lot of Great White Shark activity in Southern California lately… sightings and video footage in Malibu, fly-fishing in San Diego, sightings in Northern Santa Barbara County, and more. To what can we attribute this sharp uptick in Great White Shark activity here in So Cal? How about El Niño?!

    NOAA’s analysis of El Niño indicates that we can expect this cyclical phenomenon to appear this winter – “Synopsis: El Niño conditions will continue to develop and are expected to last through the Northern Hemisphere Winter 2009-2010.

    During June 2009, conditions across the equatorial Pacific Ocean transitioned from ENSO-neutral to El Niño conditions. Sea surface temperature (SST) anomalies continued to increase… Subsurface oceanic heat content anomalies (average temperatures in the upper 300m of the ocean, Fig. 3) also increased as the thermocline continued to deepen. Consistent with the oceanic evolution, the low-level equatorial trade winds were weaker-than-average across much of the Pacific basin, and convection became increasingly suppressed over Indonesia. This coupling of the ocean and atmosphere indicates the development of El Niño conditions.”

    Across the Atlantic, the world is watching and waiting… The Independent reports: “A new El Niño has begun. The sporadic Pacific Ocean warming, which can disrupt weather patterns across the world, is intensifying, say meteorologists. So, over the next few months, there may be increased drought in Africa, India and Australia, heavier rainfall in South America and increased extremes in Britain, of warm and cold. It may make 2010 one of the hottest years on record.”

    Scientists present a number of theories for the increase in shark-human interactions: “Dr. George Burgess of Florida University, a shark expert who maintains the International Shark Attack file, states ‘As the population continues to rise, so does the number of people in the water for recreation. And as long as we have an increase in human hours in the water, we will have an increase in shark bites.’

    The entire original article may be found here.


    1. Divers Alert Network has announced “One Call”, a new 24-Hour diving emergency hotline:

      Be sure to store the new number in your cell phone!

      Comment by Neutral Dive Gear — October 16, 2009 @ 12:49 pm

    2. […] Roy Scheider, who played Police Chief Martin Brody in Jaws, passed away this weekend. [ Herald] …Is El Nio Behind California Great White Shark Sightings …There’s been a lot of Great White Shark activity in Southern California lately… sightings and […]

      Pingback by martin brody — March 5, 2010 @ 10:51 am

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