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Paul note 2013 Himalay has stronger renditiong:
And as you can see the regions are actually ridges of rings or braids or knots!
2010 lesser intensity for Himalaya ring:
Also in both years you could clearly see the Mahler patterns, I strongly believe that these are standing-waved-echos off the South American coasts. Since the Ridge filter is actually deals with curvature of data at each pixel, and that repeated pattern looks like the waving echos off the cost of Chile?