USGS North Carolina Water Science Center

Artificial Drainage Photos

Ditches

Dry agricultural field; drainage ditch on left side of photo; white truck in background Agricultural field; small drainage ditch on right side of photo; solid line of trees in background
Green agricultural field; drainage ditch down the middle of field with a sharp left turn in foreground and a wooden plank bridge; livestock grazing in background Close up of drainage ditch with encroaching vegetation

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Subsurface tile drains

Small diameter tile drain in the side of an agricultural field Tile drain draining into a small pool
Close up of a tile drain lying in mud  

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Volumetric methods

Photo of person measuring discharge using volumetric methods
Photo of person measuring discharge using volumetric methods

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Velocity meter

Photo of person measuring discharge using velocity methods

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Water quality samples

Photo of person taking a water quality sample Photo of person taking a water quality sample

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Page Last Modified: Tuesday, October 2 2007, 02:05:10 PM