Continental Erosion

Tectonic zone with abundant precipitation lead to extremely high erosion rate. Japan is one of world highest erosive country. Largest filled circle denotes the erosion rate of 1mm/year in the mountain watershed. Open circle denotes plain river.

Source) Ohmori, H.(1983):Erosion rates and their relation to vegetation from the viewpoint of world-wide distribution. Bull. Dept. Geogr. Univ. Tokyo, 15, 77-91.