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"Parting the Water-Partly..."

3 years 6 months 5 days ago March 28, 2013 Mar 28, 2013 Thursday, March 28 2013 March 28, 2013 3:00 AM in Pat Shingleton Column
By: Pat Shingleton

"Wind setdown" occurs when strong winds blow over water for an extended period of time, shifting the water body downward. As noted in a previous column, this shift causes a low-angle tilt and the upwind, shore water level drops. "As the sun sank over the Nile Delta, a man stood on-shore... raising his rod as a howling wind blew from the east. In the morning the sea was gone, blown to the west; permitting people to walk upon dry ground where the day before fish swam and boats sailed." The man was not Moses, as described in Exodus 14, but Major-General Sir Alexander B. Tulloch, holding a surveyor's rod, not a staff, in 1882. On the western end of Lake Erie, "wind setdown" events have dropped the lake by 2 meters.

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