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View Diary: DK GreenRoots: My Lake Has Singing Sands. (47 comments)

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  •  Thanks for those pictures. (4+ / 0-)

    Love that shot of an advancing dune.

    I've experienced the mystery of the booming Eureka dunes many times.  Before it was forbidden, we used to ski out there.  At the end of every run I'd look up trying to find the turboprop airplane that I could hear droning on and on.  Finally somebody told me it was the dunes making the noise.  It's a different phenomena than the singing beach sands.  Everybody agrees it's caused by sand avalanching down the slip-face, but the exact mechanism is still uncertain.  On one cold spring day we could actually feel the dune itself resonating beneath our feet.  Quite an experience.

    moderation in everything ... including moderation

    by C Barr on Thu Jul 02, 2009 at 09:52:20 PM PDT

    [ Parent ]

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