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