River Case Studies Quiz

When did the Boscastle Flash Flood occur?
16 August 2004
1 of 34
There were how many mm of stationary rainfall?
70mm
2 of 34
Boscastle lies on a confluence between the Rivers...
Valency and Jordan
3 of 34
Boscastle lies in a...valley
steep-sided
4 of 34
The channel was narrowed for...
urban development
5 of 34
a picturesque bridge was built across the river which led to the formation of...
debris dams
6 of 34
when the debris dams broke, water flowed through at over
60kph
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The visitor centre was damaged by a...
60ft tree
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How many residents and visitors were affected?
1000
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What was the cost of the damage?
over £20 million
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How many helicopters were used to airlift people to safety?
7
11 of 34
How many properties were damaged?
58
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How many cars were washed away?
over 100
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The Flood Defence Scheme was completed in 2008. How much did it cost?
£46 million
14 of 34
The lower bridge was removed to prevent the formation of...
debris dams
15 of 34
the river was...and...deepened at various points
widened, deepened
16 of 34
the patio of the...hotel was moved back
Riverside
17 of 34
vegetation was planted on the valley sides to increase....
interception
18 of 34
The Bangladesh Floods of 1998 covered what percentage of the country in water?
67%
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Dhaka was under how many metres of water?
2
20 of 34
How much of the country is less than 1m above sea level?
70%
21 of 34
Bangladesh has a...climate
monsoon
22 of 34
annual snowmelt in the...increased the discharge of the rivers in the upper course
Himalayas
23 of 34
Which human activity was conducted at the foothills of the Himalayas that reduced interception and increased rates of surface run-off?
Deforestation
24 of 34
Give two reasons why Bangladesh has little influence over the way the rivers are managed?
Bangladesh is an LEDC, 90% of the rivers flow in other countries
25 of 34
How many people were made homeless?
30 million
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How many people died?
1070
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Which two water-borne diseases caused many deaths?
Typhoid and cholera
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How many hectares of crops were destroyed?
700,000
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The government sent free...to farmers
seed
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How many tonnes of cereal were sent to the general population in emergency aid?
350,000
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Which structures have been built to increase the capacities of the rivers?
Artificial levees
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Give three types of structures that have been built to store things in emergencies?
Flood protection shelters, emergency medical stores and flood-proof sheds
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Which type of system is now in place to warn people of an impending flood?
Emergency warning systems
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Other cards in this set

Card 2

Front

There were how many mm of stationary rainfall?

Back

70mm

Card 3

Front

Boscastle lies on a confluence between the Rivers...

Back

Preview of the front of card 3

Card 4

Front

Boscastle lies in a...valley

Back

Preview of the front of card 4

Card 5

Front

The channel was narrowed for...

Back

Preview of the front of card 5
View more cards

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