rhone delta

Question 1

location

Answer 1

~deltaic plain covers an area of 1,740km^2
~flows into Mediterranean sea

Question 2

formation

Answer 2

~formed over last 7000 years since sea level rise
~waves reshaped delta by moving sediment to the edge
~current coastline started to shape in 18th century

Question 3

landforms

Answer 3

~cell 1 port st louis- longshore drift created a spit
~cell 3 beandue - longshore drift created onshore bar
~behind dunes- lakes, ponds, lagoons

Question 4

recent changes

Answer 4

~sea level rise increased by 2mm yearly
~coastline retreat 2-8m
~outputs > inputs
~15 mill spent on coastline protection, groynes, riprap, sea walls - restore equilibrium

Question 5

low energy environment

Answer 5

~waves low in height and energy
~in 2000 estimated to carry only 1.5 mill of sediment yearly
~longest wave fetch distance = 900km