Mississippi Delta - Coasts (Low Energy Coastline)

• How many states does the Mississippi flow through?

  31
• What are the Mississippi barrier islands called?


  Chandeleur Islands
• How long are the Chandeleur Islands?

  50 miles
• What is preventing sediment from reaching the delta?

  Dams
• What is bringing salt water further up the delta?

  Shipping canals
• Drainage of marshland is needed for urbanisation.
• The Mississippi Delta is found in the Gulf of Mexico
• How old is the Mississippi delta?

  7,000 years
• How long is the Mississippi?

  3,780 km
• How much sediment does the Mississippi transport every year?

  500 million tonnes
• Each delta cycle results in a new delta lobe, each lobe is created between 1000-2000 years.
• Name of a part of the Mississippi Delta?

  Bird's foot delta
• What city is on the Mississippi Delta?

  New Orleans
• What Hurricane hit the Louisiana Coast in 2005?


  Hurricane Katrina
• Hurricane Katrina damaged 700,000 acres of marsh in a single day.
• The Chandeleur Islands lost approx half of their land mass.
• The spit on Cat Island was breached by Hurricane Katrina.
• What year was the Earthquake that caused the fluvial tsunami in the Mississippi river?

  1812
• What was the name of the lake that was formed after the fluvial tsunami?

  Redfoot Lake
• Dams upriver have decreased the amount of sediment in the Lower Mississippi by 70%