GEOL105_14

GEOL105_14 - Floods simply more ater than a river channel...

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Floods – simply more ater than a river channel can hold.  During flood As soon as the water leaves the channel, it starts to spread out in different  directions in the flood plain – which makes it slow down. As it slows down, the  sediment it was carrying was because it was fast and thus cannot carry all those  sediments forward. Natural levies help keep the river within the channel.  Types of flood Text slide Three types of floods – Riverine floods – regional flooding related to regional storm systems. Weather  induced flooding, rains over a large area for a large period of time.  Flash floods -  Storm surges – coastal flooding in response to hurricane (typhoon) activity.  Regional storms – riverine flooding Typically accompanied by thunderstorms. Produce extreme rain over a large  period of time. 3/20/11
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GEOL105_14 - Floods simply more ater than a river channel...

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