FLOODS What causes Floods? Heavy Rainfall: Causes increase in sea level rise etc. Over–saturated soil (when the ground can’t hold in any more water and could turn into mud etc): Infiltration can’t take place due to the soil’s impermeability resulting in so then surface run off will be increased. High River‚ Stream‚ and Sea Level (caused by heavy rain/particle expansion): The amount of water in the channel becomes too high‚ forcing water inland. Objects such as fallen trees and littering can causes
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defined as any tragic event stemming from events such as earthquakes‚ floods‚ catastrophic accidents‚ fires‚ or explosions. It is a phenomenon that can cause damage to life and property and destroy the economic‚ social and cultural life of people. A natural disaster is any event of force of nature that is caused by environmental factors that has catastrophic consequences. Natural disasters include: avalanches‚ earthquakes‚ floods‚ hurricanes‚ impact events‚ landslides‚ mudslides‚ tornadoes‚ tsunamis
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A flood is an overflow of water that submerges land which is normally dry.[1] The European Union (EU) Floods Directive defines a flood as a covering by water of land not normally covered by water.[2] In the sense of "flowing water"‚ the word may also be applied to the inflow of the tide. Flooding may occur as an overflow of water from water bodies‚ such as a river or lake‚ in which the water overtops or breaks levees‚ resulting in some of that water escaping its usual boundaries‚[3] or it may occur
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FLOOD A flood is an overflow of water that submerges land which is normally dry.[1] The European Union (EU) Floods Directive defines a flood as a covering bywater of land not normally covered by water.[2] In the sense of "flowing water"‚ the word may also be applied to the inflow of the tide. Flooding may occur
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Indus and Yellow River Valleys • Origin and spread of ideas • Interaction between the “civilized” and “uncivilized” 1. Indus vs. Aryans • Note: Harappan civilization same as Indus • Historical Significance 1. Indus discovered to British in the 1840s (ruins knew earlier by locals) 2. British used Indus brick in railroad construction 3. Increasing interest in increases 4. Discovery of seals with writing intensifies interest 5. Harappa “discovered” in 1920s 6. They said it’s a “new”/ just
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withstanding floods and environmental issues. When walking around on the streets‚ one thing people always notice is trash and polluted rivers. People throw things carelessly‚ which can block the canals and rivers‚ making them polluted and hard to maintain. Another part is the amount of weight we produce; cars‚ buildings adds on to the weight in which can cause the land to sink. For the past two decades‚ the environment and population density have changed. Over time‚ the quality of river catchment
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TITLE : Flash Flood In Compostela Valley Statement of the Problem : Causes of Flash Flood. Intro : | Flash floods are floods that happen very suddenly and with little warning. They are very dangerous What is flash flood? A sudden local flood‚ typically due to heavy rain. | . A very heavy rain or an accident like a dam break can cause one.Sometimes the ground is too hard or too wet to soak up water. The only place the rain can go is downstream. Usually rainfall of more than one inch in
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To what extent are floods necessary for the formation of river landforms? River landforms are formed by either depositional methods or erosional methods‚ and the landforms that floods are necessary for are formed by depositional methods‚ but there are landforms that are formed by erosional methods where floods are not needed to create these landforms. The main landforms that are formed by floods are levees‚ floodplains and oxbow lakes. The most obvious example of a landform where
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2011‚ the state capital of Queensland‚ Brisbane‚ faced the second highest flood since the start of the 20th century. Major flooding occurred throughout the Brisbane River catchment‚ the Lockyer Creek and Bremer River. Which has now fundamentally impacted the residential property market. At the peak of the flood‚ approximately 11‚900 homes were completely flooded while a further 14‚700 homes were partially flooded. Numerous flood height records were broken and many suffered vastly from economic‚ social
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A historic moment in history was the Los Angeles River flood that lasted five days. During this flood‚ there was five days of continuous rainfall and the erosion controls that were in place could not hold the high level of water from coming down the mountains. (Hung 1) This was a flood that was unlike anything the city of Los Angeles had ever seen before. This resulted in the flooding of three area rivers and their tributaries; these were the Los Angeles‚ Santa Ana‚ and San Gabriel. The rain and
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