Flooding Flashcards
Valley where Boscastle is situated
Valency Valley
Amount of rain in Boscastle after 5 hours
5 inches
Causes of the Boscastle flood
Old sewage and drainage systems
Lack of flood control system
Cars blocked under the low bridge
Amount of rainfall in Boscastle during 24 hours
200mm
Size of Boscastle drainage basin
small - 452KM
Rise in Boscastle river levels after an hour
2m
Number of cars swept away by Boscastle flood
116
Number of homes destroyed by Boscastle flood
58 homes
Percentage of Boscastle economy regarding tourism
90%
Value of tourism lost due to the flood
£25,000
Insurance claims during Boscastle flood
£15 million
Year of Bangladesh floods
2004
Percentage of Bangladesh living less than 2 meters below sea level
70%
80%
% of Bangladesh on a flood plain and delta
Physical causes of Bangladesh flood
Monsoon rain and snowmelt travelling down the Himalayas via the Ganges river
Built on a delta made up of 53 rivers
Silt deposited in river
Number of rivers that make up the Bangladesh River
53
Human causes of the Bangladesh floods
Deforestation
Ganges diverted for irrigation
120,000 wells built causing subsidence of 2.5 cm/year
How many people were killed by the Bangladesh floods?
800
11’000
People marooned by the Bangladesh floods
Number of relief centres created in the aftermath of the floods
700
Number of people made homeless by the 2004 Bangladesh floods
36 million
$7 billion
Amount of damage to Bangladesh infrastructure due to the 2004 flooding
Year of the boscastle flood
2007
