Three Gorges area river system fractal dimension value D=1.7239, which indicate that the geomorphy of Three Gorges area is on the mature stage, and river system growth completely.

• 三峡地区水系分维值D=1.；7239，表明三峡地区地貌处于侵蚀发育的壮年期，河网较发育，水系发育的较为完全。