Geomorphology, Fall 2006

25 cm DEM view of piece of landscape

Geomorphology, Fall 2006

Drainage network: drainage area greater than 10 m2

Geomorphology, Fall 2006

Hillslopes: drainage area < 10 m2

Geomorphology, Fall 2006

Partitioned view of drainage network and hillslopes at 10 m2 threshold--very different processes dominate in the two different domains

Geomorphology, Fall 2006

Drainage basin: boundary of contributing area = 0 for given outlet

Geomorphology, Fall 2006

Drainage network: “skeleton” of the landscape

--KXW

Geomorphology, Fall 2006

Hillslopes: “flesh” of the landscape

--KXW