Homework to complete this PowerPoint exercise and create a case study to add to your notes. Due Friday 22 nd Jan 2016.

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Presentation transcript:

Homework to complete this PowerPoint exercise and create a case study to add to your notes. Due Friday 22 nd Jan 2016

What is a river flood? Why do rivers flood? What caused the Boscastle flood? What were the effects of the Boscastle flood? How can the flood risk be managed? Learning objectives

The Boscastle flood, 16 th August 2004 Boscastle is situated on the North Cornwall coast. For a hundred years the village was a thriving port but the coming of the railways soon saw its decline as a trading port. About 90% of Boscastle’s economy is now reliant on tourism. On Monday 16 th August 2004 major flooding occurred in North Cornwall. The small village of Boscastle was devastated.

What were the causes of the Boscastle Flood? Climatic conditions were the main reason for the floods in Boscastle. 200mm fell over Ottersham Moor, to the east of Boscastle, within a 4 hour period. This was combined with coastal winds and a rising tide. The ground was also already saturated from previous rainfall events. Explain why these conditions would cause major flooding.

What factors increased the risk of flood?

What factors increased the flood risk?

Examination Question Explain the causes of a flood event that you have studied.

What is a river flood? Why do rivers flood? What caused the Boscastle flood? What were the effects of the Boscastle flood? How can the flood risk be managed? Learning objectives

Effects of the Boscastle flood

Short- and long-term effects