River Case Studies Quiz 1.0 / 5 based on 1 rating ? GeographyWater and riversGCSEOCR Created by: James ShepherdCreated on: 10-05-14 22:38 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 7 of 34 The visitor centre was damaged by a... 60ft tree 8 of 34 How many residents and visitors were affected? 1000 9 of 34 What was the cost of the damage? over £20 million 10 of 34 How many helicopters were used to airlift people to safety? 7 11 of 34 How many properties were damaged? 58 12 of 34 How many cars were washed away? over 100 13 of 34 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% 19 of 34 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 26 of 34 How many people died? 1070 27 of 34 Which two water-borne diseases caused many deaths? Typhoid and cholera 28 of 34 How many hectares of crops were destroyed? 700,000 29 of 34 The government sent free...to farmers seed 30 of 34 How many tonnes of cereal were sent to the general population in emergency aid? 350,000 31 of 34 Which structures have been built to increase the capacities of the rivers? Artificial levees 32 of 34 Give three types of structures that have been built to store things in emergencies? Flood protection shelters, emergency medical stores and flood-proof sheds 33 of 34 Which type of system is now in place to warn people of an impending flood? Emergency warning systems 34 of 34
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