Changes in the topography of river valleys in coastal lowlands relating to historical anthropogenic impact

Professor Noboru Sadakata
Yamaguchi University, 753-8513, Japan,

Summary

This paper discusses the anthropogenic development of some alluvial plains in Japan. Landforms of lowlands in Japan have been transformed by the historical human activities. In general the natural environment of Japan is characterized by mountains/hills occupying a large area, many volcanoes, patchily distributed alluvial plains. Of those the alluvial plains are some of the youngest landforms.