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Landscapes of Japan, 03, Incised valley and upland terrace, Tanohata.

Abstract

Incised valley and upland terrace, Tanohata. -- If stream erosion and lowering of a land surface exceeds the rate of uplift of that surface, topographic relief decreases. This reduces stream gradients and velocity and causes streams to begin shifting laterally creating floodplains and eventually broad, nearly flat surfaces. If uplift is subsequently renewed, relief and stream gradients to the sea increase, causing the streams to erode downward once again. This can produce stream valleys incised into remnant terraces of the old flat surface, as seen here. -- Similar topographic features are produced when flat, wave-eroded surfaces along a coastline are uplifted and then cut into by downcutting streams flowing to the new, lower shoreline.

Note

Materials may be used for non-commercial, educational purposes only, in accordance with Fair Use policies. Acknowledgement to be given to the IDEAS project and to the photographer. Photographer retains copyright.

Administrative Notes

Materials may be used for non-commercial, educational purposes only, in accordance with Fair Use policies. Acknowledgement to be given to the IDEAS project and to the photographer. Photographer retains copyright.

Copyright
Copyright restrictions apply.
Publisher
Earlham College
PID
coccc:22843
Extent
1500 w x 1025 h, 150ppi