The impact is vitamins and s***
the rivers don't flood, but the Louisiana wetlands are lost from the levees.
The primary anthropogenic factor that worsened the impact of hurricane Katrina was the location of New Orleans ans the destruction of surrounding wetlands. With the construction of New Orleans and its levees in the Mississippi River Delta the supply of sediment was cut off to the city. Without this continual renewal the land beneath the city began to subside or sink to the point that parts of the city are now below sea level, leaving the city vulnerable to flooding. Additionally, with the destruction of wetlands around New Orleans a key buffer protecting many areas from storm surge was removed. Finally, it has been suggested that the levees that were supposed to protect New Orleans from flooding failed in conditions that they were supposed to be able to withstand.
The river is surrounded by levees and pumps.
Levees are built along the banks of rivers
Coastal wetlands act as buffers against hurricane-produced storm surge, and provide storage for precipitation. Both of these attributes decrease flooding. Wetlands can also block the transport of large solid objects carried by storm surge or wind, such as loose barges or floating trees. These objects, if unchecked, can damage infrastructure such as bridges and docks, and can also weaken or breach flood control structures such as levees and floodwalls.
Humans have eaten all the birds and drunk all the water out of the wetlands, making it uninhabitable, the australian army also used it to test their minature nuclear bombs
The duration of When the Levees Broke is 4.25 hours.
Dams are in front of the flow, levees are at the sides.
Natural levees are built up over time from debris and sediment whereas artificial levees are man made using sand bags and larger rocks.
When the Levees Broke was created on 2006-08-16.
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