Hydrology & Fluvial 0.0 / 5 ? GeographyRivers and fluvial processesASCIE Created by: Max OscarCreated on: 29-03-22 20:02 Can a river flood? Yes 1 of 13 What is a flood? Is rare there is too much water in the river channel so the water escapes the channel & spreads over the surrounding area 2 of 13 What can floods do? Floods kill & cause damage e.g. homelessness 3 of 13 What are examples of floods that killed & caused damage? 1931: Yangtze River, China 1887: Yellow River, China 1938: Los Angeles, USA 4 of 13 Where were the major flood deaths in 2020 & how many? Afghanistan - 56 people died India - 88 people died China - 63 people died 5 of 13 How much do floods cost in damages? £333 million in UK £1 billion in USA 6 of 13 What were the causes of major flood damage in UK in 2019? Storm Ciara Storm Dennis Prolonged heavy rain in November 7 of 13 Why might river floods happen? - Impermeable ground - Dams - Meltwater - Deforestation - Clay soil - Saturated ground - Blockages due to e.g. bridges 8 of 13 What do rivers do? Rivers flow & move water, transferring it from one place to another 9 of 13 Do rivers form different shapes & landforms? Yes 10 of 13 Why do rivers form different shapes & landforms? Three interconnected actions: - Erosion - Disposition - Transportation 11 of 13 What are rivers that run into other rivers called? Tributaries 12 of 13 What are the key features of a drainage basin? Ghost - Watershed - Mouth - Confluence - Source 13 of 13
Comments
No comments have yet been made