The Atlantic Drainage Tree

The trunk represents the Atlantic ocean; limbs represent seas; leaves represent river basins.
Put the pointer on the map; when the pointer becomes a hand (along the northern Mediterranean), click to see associated real-world map views made from files from the Digital Chart of the World.

SpainSouthern FranceItalyGreece

This map first appeared, in a variation, in Essays on Mathematical Geography (by the author of this article), Monograph #3, Institute of Mathematical Geography, 1986.  Another variation of it will appear in the forthcoming eBook, Graph Theory and Geography:  An Interactive View, Sandra L. Arlinghaus, William C. Arlinghaus, and Frank Harary, New York:  John Wiley and Sons, 2001.



Sandra Lach Arlinghaus
The University of Michigan
sarhaus@umich.edu