Coastal flooding

Question 1

What percentage of the worlds population will live in low lying areas in 2060

Answer 1

12%

Question 2

How many people live on low lying coasts in Bangladesh?

Answer 2

46%

Question 3

What is a low lying region?

Answer 3

If it is less than 10m above sea level

Question 4

Why are low lying regions so popular?

Answer 4

Coastlines are popular with tourists, especially when access to beaches and the sea is easy.
Deltas and estuaries are ideal locations for trade between up-river places and places along the coast or the sea.
Deltas and coastal plains are especially fertile and idea for farming.

Question 5

What is a storm surge?

Answer 5

A localised, short-term rise in sea level caused by air pressure change.

Question 6

Why is Bangladesh so vulnerable to coastal flooding?

Answer 6

Much of the country is a low lying river delta.
Intense rainfall from tropical cyclones contributes to flooding.
Much of the coastaline consists of unconsolidated delta sediment, which is very susceptible to erosion.
Deforestation of coastal mangrove forests has removed vegetation that once stabalised coastal swamps and dissipated wave energy during tropical cyclones.

Question 7

What was the worst cyclone and in what year in Bangladesh?

Answer 7

1980 Bhola Cyclone

Question 8

How many people died in the Bhola cyclone?

Answer 8

300,000-500,000