THE SOUTH DOWNS ESCARPMENT. Where is the South Downs Escarpment? The area referred to in this...
-
Upload
henry-randall -
Category
Documents
-
view
218 -
download
3
Transcript of THE SOUTH DOWNS ESCARPMENT. Where is the South Downs Escarpment? The area referred to in this...
![Page 1: THE SOUTH DOWNS ESCARPMENT. Where is the South Downs Escarpment? The area referred to in this presentation is here Map copyright Ordnance Survey.](https://reader035.fdocuments.net/reader035/viewer/2022062515/56649d1a5503460f949ef4fd/html5/thumbnails/1.jpg)
THE SOUTH DOWNS
ESCARPMENT
![Page 2: THE SOUTH DOWNS ESCARPMENT. Where is the South Downs Escarpment? The area referred to in this presentation is here Map copyright Ordnance Survey.](https://reader035.fdocuments.net/reader035/viewer/2022062515/56649d1a5503460f949ef4fd/html5/thumbnails/2.jpg)
Where is the South Downs Escarpment?
The area referred to in this presentation is here
Map copyright Ordnance Survey
![Page 3: THE SOUTH DOWNS ESCARPMENT. Where is the South Downs Escarpment? The area referred to in this presentation is here Map copyright Ordnance Survey.](https://reader035.fdocuments.net/reader035/viewer/2022062515/56649d1a5503460f949ef4fd/html5/thumbnails/3.jpg)
Clay Vale
Escarpment
Scarp slope
Dip slope
Springs
Dry Valleys
Physical Features on O.S. Map
Map copyright Ordnance Survey
![Page 4: THE SOUTH DOWNS ESCARPMENT. Where is the South Downs Escarpment? The area referred to in this presentation is here Map copyright Ordnance Survey.](https://reader035.fdocuments.net/reader035/viewer/2022062515/56649d1a5503460f949ef4fd/html5/thumbnails/4.jpg)
The next slide is taken from here..
Looking west along the scarp slope
Map copyright Ordnance Survey
![Page 5: THE SOUTH DOWNS ESCARPMENT. Where is the South Downs Escarpment? The area referred to in this presentation is here Map copyright Ordnance Survey.](https://reader035.fdocuments.net/reader035/viewer/2022062515/56649d1a5503460f949ef4fd/html5/thumbnails/5.jpg)
Physical features…. name them
Vale
Escarpment
Scarp Slope
Dip Slope
Spring L
ine
River Gap
1.
2
34
5
6
6
![Page 6: THE SOUTH DOWNS ESCARPMENT. Where is the South Downs Escarpment? The area referred to in this presentation is here Map copyright Ordnance Survey.](https://reader035.fdocuments.net/reader035/viewer/2022062515/56649d1a5503460f949ef4fd/html5/thumbnails/6.jpg)
Impermeable clay
Porous chalk
Dip Slope
Block diagram…physical features
River gap
Vale
Escarpment
Scarp slope
Spring line
![Page 7: THE SOUTH DOWNS ESCARPMENT. Where is the South Downs Escarpment? The area referred to in this presentation is here Map copyright Ordnance Survey.](https://reader035.fdocuments.net/reader035/viewer/2022062515/56649d1a5503460f949ef4fd/html5/thumbnails/7.jpg)
A Closer Look at the Vale…..
• Look at the photo and describe the relief
• What rock underlies the vale?
first on the photo
![Page 8: THE SOUTH DOWNS ESCARPMENT. Where is the South Downs Escarpment? The area referred to in this presentation is here Map copyright Ordnance Survey.](https://reader035.fdocuments.net/reader035/viewer/2022062515/56649d1a5503460f949ef4fd/html5/thumbnails/8.jpg)
…and then on the map
• look at the contours and
describe the relief
• remember to refer to
altitude and gradient
• is surface drainage
present or absent? Why?
• what is happening here? ..and here?
Map copyright Ordnance Survey
![Page 9: THE SOUTH DOWNS ESCARPMENT. Where is the South Downs Escarpment? The area referred to in this presentation is here Map copyright Ordnance Survey.](https://reader035.fdocuments.net/reader035/viewer/2022062515/56649d1a5503460f949ef4fd/html5/thumbnails/9.jpg)
One of the springs
![Page 10: THE SOUTH DOWNS ESCARPMENT. Where is the South Downs Escarpment? The area referred to in this presentation is here Map copyright Ordnance Survey.](https://reader035.fdocuments.net/reader035/viewer/2022062515/56649d1a5503460f949ef4fd/html5/thumbnails/10.jpg)
A Closer Look at the Escarpment• How do the scarp and dip slopes differ?
• What rock underlies the escarpment?
first on the photo
![Page 11: THE SOUTH DOWNS ESCARPMENT. Where is the South Downs Escarpment? The area referred to in this presentation is here Map copyright Ordnance Survey.](https://reader035.fdocuments.net/reader035/viewer/2022062515/56649d1a5503460f949ef4fd/html5/thumbnails/11.jpg)
…and then on the map
The Scarp Slope
Look at the contours and
describe the relief
The Dip Slope
Look at the contours and
describe the relief
Is surface drainage present or absent? Why?
![Page 12: THE SOUTH DOWNS ESCARPMENT. Where is the South Downs Escarpment? The area referred to in this presentation is here Map copyright Ordnance Survey.](https://reader035.fdocuments.net/reader035/viewer/2022062515/56649d1a5503460f949ef4fd/html5/thumbnails/12.jpg)
Another feature of the escarpment…
Is photographed from here
Map copyright Ordnance Survey
![Page 13: THE SOUTH DOWNS ESCARPMENT. Where is the South Downs Escarpment? The area referred to in this presentation is here Map copyright Ordnance Survey.](https://reader035.fdocuments.net/reader035/viewer/2022062515/56649d1a5503460f949ef4fd/html5/thumbnails/13.jpg)
What is this feature?
‘V’ shaped profile
..but no evidence of a stream
It’s the dry valley called Devil’s Dyke
When and how were features like this created?
![Page 14: THE SOUTH DOWNS ESCARPMENT. Where is the South Downs Escarpment? The area referred to in this presentation is here Map copyright Ordnance Survey.](https://reader035.fdocuments.net/reader035/viewer/2022062515/56649d1a5503460f949ef4fd/html5/thumbnails/14.jpg)
How has this landscape influenced Human Geography?
Settlement
FarmingRecreation
Communications
![Page 15: THE SOUTH DOWNS ESCARPMENT. Where is the South Downs Escarpment? The area referred to in this presentation is here Map copyright Ordnance Survey.](https://reader035.fdocuments.net/reader035/viewer/2022062515/56649d1a5503460f949ef4fd/html5/thumbnails/15.jpg)
Prehistoric and Ancient Settlement
Where was it located and why?
Why would settlement have avoided the vale at that time?
Map copyright Ordnance Survey
![Page 16: THE SOUTH DOWNS ESCARPMENT. Where is the South Downs Escarpment? The area referred to in this presentation is here Map copyright Ordnance Survey.](https://reader035.fdocuments.net/reader035/viewer/2022062515/56649d1a5503460f949ef4fd/html5/thumbnails/16.jpg)
Modern Settlement
Where is it located and why?
Map copyright Ordnance Survey
![Page 17: THE SOUTH DOWNS ESCARPMENT. Where is the South Downs Escarpment? The area referred to in this presentation is here Map copyright Ordnance Survey.](https://reader035.fdocuments.net/reader035/viewer/2022062515/56649d1a5503460f949ef4fd/html5/thumbnails/17.jpg)
Farming
intensive or extensive?
arable or pastoral? valeescarpment
![Page 18: THE SOUTH DOWNS ESCARPMENT. Where is the South Downs Escarpment? The area referred to in this presentation is here Map copyright Ordnance Survey.](https://reader035.fdocuments.net/reader035/viewer/2022062515/56649d1a5503460f949ef4fd/html5/thumbnails/18.jpg)
Communications
Explain the routes of :
a) the minor road network and
b) the South Downs WayMap copyright Ordnance Survey
![Page 19: THE SOUTH DOWNS ESCARPMENT. Where is the South Downs Escarpment? The area referred to in this presentation is here Map copyright Ordnance Survey.](https://reader035.fdocuments.net/reader035/viewer/2022062515/56649d1a5503460f949ef4fd/html5/thumbnails/19.jpg)
Recreation
What evidence is there of recreational land use on the map?
Map copyright Ordnance Survey
![Page 20: THE SOUTH DOWNS ESCARPMENT. Where is the South Downs Escarpment? The area referred to in this presentation is here Map copyright Ordnance Survey.](https://reader035.fdocuments.net/reader035/viewer/2022062515/56649d1a5503460f949ef4fd/html5/thumbnails/20.jpg)
Vale
Escarpment Gap
Prehistoric settlement
Scarp slope
Dip slopeChalk
Clay
Spring line
Modern settlement
Now remember!