Archive for the 'GCSE Rivers' Category

Flood June 2007

The week the UK has suffered floods that are expected to cost insurance companies over £1 billion.  Many people have been evacuated from their homes and yet still there is more rain expected. 

But why have we had so much rain in June?  

The reason for this excess of rain is that the polar jet which steers our weather system is stuck further south than is usual for this time of year, so we are more open to low pressures.  Last week we saw intense thunderstorms, and on Monday a low-pressure weather front sat above the same parts of the country. As a result, a month’s worth of rain fell in 24 hours in some parts of the country.

  

Ulley Reservoir Environmental Agency flood potential map

 This map is from the environmental agency and shows the potential flood risk for the Ulley reservoir.  This week engineers have been battling to stop this reservoir from bursting its banks.  This has been successful however the pumped out water has resulted in other areas being flooded and many people have had to be evacuated.  Click on the google earth link below to open this map in google earth.

google_earth_link.gif click to open up a google earth file which will automatically download placemarks with flooding photos and overlay of flood zones from the environmental agency for the South Yorkshire area.

Some more links to video’s from Look North.

Look North Special on the floods

Bentley residents rescued

Heavy Rain Predicted this weekend

The Met office has issued a severe weather warning for the weekend of  23rd and 24th of July.

This is the latest weather warnings (these update automatically each day)

 

Click here for the latest satellite image of the UK

This is a powerpoint of the effects from Andy Pinks a geography teacher in Cambridge.  Thanks Andy.

Y11 revising rivers and flooding

After yesterday’s lesson here are a few links to help you to recap the Boscastle flood.  The following teacher run sites are excellent and both go through the causes and effects of the flood.  We have not studied the Lynmouth flood however it is worth looking at as a comparison.

We also went through the different features of a river from upper to lower course.  Listen to this media file by clicking on the player to activiate it and then clicking on the play button. This is a podcast from GCSE Bitesize which explains the changes in the river’s course from source to mouth.  Don’t forget you can download it for your mp3 players by visiting the bitesize audio site

Geographyalltheway has media clips and lots of information for you to look at to add more to your case study.

Geobytes GCSE again has lots of info and links to many other sites.

Thanks to both teachers

The Hydrological Cycle

Rivers begin in upland areas and flow downhill, becoming wider and deeper, until they enter the sea. Where a river begins is called the source and where it ends is called the mouth. Along a rivers journey to the sea other smaller rivers called tribuataries may join the main river at a confluence. A river and its tributaries obtain their water from the surrounding land. The area drained by a river and its tributaries is called the drainage basin. The boundary of the drainage basin is called the watershed and it is usually a ridge of high land. A drainage basin is part of the hydrological cycle in which water is recycled between the sea, air and land. Don’t forget to revise your pop up diagrams and make sure you understand what the different terms mean. If unsure then look up the vocab.

This weeks homework is to make sure you have put the pictures from the Evian Ad into the correct order and explained how they fit into the water cycle. You can watch the Evian Ad again by clicking the picture.

Click below to listen to the water cycle song again. This one is for Sarah C you know you just love this song.

Geography Podcasts


Here is my first ever pod cast click on the little man to listen.

If you have an ipod you can download it onto your pod, if not you can save it in media player or itunes.

The Benefits of the Three Gorges Dam


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