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Deepwater Delta Basin Construction

Construction is Complete!

This basin has approximate dimensions of 2.2 m deep, 6 m long and 4 m wide. Depth of basin is great enough to conduct experiments focused on both delta construction under conditions of varying base-level and deep-water/continental slope fan construction. This depth and width are also great enough to construct delta/fan deposits thick enough to investigate stratigraphic architecture with minimal boundary-effects imposed by the basin walls. Water and sediment delivery systems for this basin are currently under construction. We have the option of two methods for delivering water and sediment to the basin. 1) An ocean control system that will control water discharge rate into basin in addition to providing millimeter resolution of base-level via a siphon attached to a motorized weir. Sediment will be delivered to the basin via an Accufeed Vibrascrew Sediment feeder. Base-level and sediment feed to the basin will be controlled through a computer interface. 2) A constant head tank system fed from a reservoir mixing tank via a centrifugal pump. This summer an XYZ data collection carriage will be installed on the basin that will house a Keyence long distance reflective laser sensor and data logger. This system will allow us to monitor the topography of the evolving sediment surface and collect topographic maps with grid spacing as low as 2 mm and a vertical resolution of 0.1 mm.

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School of Science and Engineering, 201 Lindy Boggs Center, New Orleans, LA 70118 504-865-5764 sse@tulane.edu