Chapter 14.2

Chapter 14.2 - Chapter 14.2 Floods and River Management...

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Chapter 14.2 Floods and River Management I.a. Settlement of floodplains and deltas b/c of agricultural reasons (fertile land), transportation (ports, docks, bridges), and industrial sites(water needed for diluting/removing waste) I.a. Engineering Failures in New Orleans, 2005 I.a.i. New Orleans almost entirely below level of Mississippi River--> artificial levees, concrete floodwalls I.a.i. 2005: breaks/breaches in levees to anchoring problems and made up of more sand than clay I.a. Stream Deposition and Landforms I.a.i. Weathering--> mass movement--> erosion--> transportation--> deposition I.a.i. Depositing of alluvium or unconsolidated sediment, creating a depositional landform such as a bar, floodplain, terrace, or delta: I.a.i.1. Floodplains : flat, low-lying area flanking stream channels subjected to recurrent flooding I.a.i.1.a. Formed when river overflows its channel during times of high flow, then when it recedes, it leaves behind alluvial deposits that mask underlying rock with accumulating thickness-->
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This note was uploaded on 01/26/2012 for the course 460 476 taught by Professor Adamo during the Fall '11 term at Rutgers.

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Chapter 14.2 - Chapter 14.2 Floods and River Management...

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