This is a preview. Log in through your library . Abstract Attention is directed to a recent discussion of "available relief," "critical relief.' and "drainage relief." Suggestions are made for ...

The surfaces of Earth, Mars, and Titan, Saturn's largest moon, have all been scoured by rivers. Yet despite this similarity and the amazingly Earth-like landscapes of Titan complete with valleys, ...

Water covers 70% of the earth’s surface in which only 3% are fresh water (Of this, 2% is in polar ice caps and only 1% is usable water). Oceans make up around 67 percent of the Earth's surface. The ...

Low-relief plateaus separated by deeply incised fjords are hallmarks of glaciated, passive continental margins. Spectacular examples fringe the once ice-covered North Atlantic coasts of Greenland, ...