Little Topashaw Creek - Woody material became lighter as it dried : USDA ARS

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Little Topashaw Creek - Woody material became lighter as it dried

Samples of wood were collected from LWDS using an increment borer and used to determine wood density. Relatively fresh debris was about twice as dense as material that had dried for a year or more. This reduced the factor of safety for a submerged debris structure well below 1.0.

Collection of wood sample using increment borer

Factor of Safety for Earth Anchors

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U.S. DEPARTMENT OF AGRICULTURE

Water Quality and Ecology Research: Oxford, MS