Lesson 12

Question 1

How is Bangladesh susceptible to coastal flooding?

Answer 1

subsidence: Isostatic readjustment is partially responsible but main reason clearance and drainage

Question 2

What is Bangladesh’s physical history?

Answer 2

islands used to be forested but now cleared to grow rice

Question 3

How have Bangladesh protected against tides and storm surges?

Answer 3

Embankments built

Question 4

How have embankments caused problems?

Answer 4

prevented natural deposition of sediment which used to maintain the islands height but is n ow submerging so the island is at risk of flooding

Question 5

positives of mangroves?

Answer 5

stabilise coastline, protect against erosion
collect nutrient rich sediment
provide a nursery for fish

Question 6

Why are Bangladesh getting rid of mangroves?

Answer 6

25% being taken to shrimp farms

Question 7

What is happening to the mangroves in Bangladesh?

Answer 7

retreating up-to 200 meters a year (71%)

25% being taken to shrimp farms

Question 8

What Typhoon happened in the Philippines in 2013?

Answer 8

Typhoon Haiyan

Question 9

What category was typhoon Haiyan? (2)

Answer 9

5 (highest) - tropical storm

category 3 disaster (highest) - WHO

Question 10

Characteristics of Typhoon Hiyan? (4)

Answer 10

wind 315km/h
6000+ dead
28,000 injuries
7m storm surges

Question 11

Effects of Typhoon Hiyan? (3)

Answer 11

area turned into waste land
14m effected
6/43 damaged parts repaired

Question 12

How is Bangladesh susceptible to flooding? (4)

Answer 12

at risk from sea level rise (6-20mm)
40% of storm surges occur in Bangladesh
Increase risk of river flooding - wetter environment (disease spread),
Reduced farmland (salt contamination) Lower GDP
loss of mangroves

Question 13

Which Cyclone hit Bangladesh in 2007?

Answer 13

Cyclone Sidr

Question 14

Characteristics of Cyclone Sidr?

Answer 14

10m storm surge

Question 15

What category was Cyclone Sidr?

Answer 15

4 - tropical storm (240km/h winds)

Question 16

Effects of Cyclone Sidr? (3)

Answer 16

$1.7b in damage
effected 3m households
2m job losses

Question 17

What are the characteristics of the 1953 North Sea Storm surge? (3)

Answer 17

sea level raised by 3m
flooding in Yorkshire and kent
happened at night time

Question 18

What are the effects of the 1953 North Sea Storm surge? (5)

Answer 18

32,000 evacuated
homes and farmland lost (flooding)
£1.2b in damage
307 dead
no flood warning systems

Question 19

What are the characteristics of the 2013 North Sea Storm surge?

Answer 19

largest storm surge took place 6.3m

Question 20

What are the effects of the 2013 North Sea Storm surge? (5)

Answer 20

1400 properties flooded
18,000 people evacuated
800,000 homes protected
better education+forecasting
£1.7b damage