Kanako Furuya

What is a River Valley?• An area of lower land between two lines of hills

or mountains.• River is flowing through it.

The structure of the valley

River in valley stage

water

INPUTS

sediment

deposition

STORAGE

water

sediment

erosion

OUTPUTS

The Torrent Stage

• Sides are steep• Width is narrow• Eroding rapidly

downwards• Giving a V-shaped

cross-section• River’s course is not

straight

Yellowstone

Llupachayoc

The Valley Stage

• Width is very wide• It is closer to the sea• Eroding rapidly sideward

but a little downward• Eroding is greatest on the

outside of the meanders• The river’s course is

marked by a series of curves called meanders

The valley in Mount St. Helens

Drau River valley

Images

Valley

The satellite image of Mount Fuji

V-shaped landform

Valley

Topographic map of the valley

Bibliography

• Geography and Strategic Importance of the ValleyJan 18, 2006http://www.cr.nps.gov/hps/abpp/shenandoah/svs2-2.htmlBy VLC

• Climate and Geographyhttp://www.techvalley.com/Pages/Live/About%20Tech%20Valley/Climate%20_%20Geography.htmlJan 16, 2006