[SunkenCiv]

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[Fred Nerks]

http://www.archaeologyexpert.co.uk/ArchaeologyfromOuterSpace.html

Archaeology from Outer Space

Rivers in the Sahara
One of the first examples of its excellent use in archaeology was revealed in images taken over the Sahara Desert. This desert is the driest in the world and rapidly expanding. Radar penetration images revealed a sub-surface full of old riverbeds, mountains, valleys, and even expansive lakes. In fact, what lay under the roasting sand was once a landscape typical of Europe or North America.

[Fred Nerks]

http://www.gly.uga.edu/railsback/FieldImages2.html

Drainage Patterns and Paleoclimate

A MODIS image of the Central Sahara and a higher-resolution view within the previous image showing dendritic drainages that are evidence of wetter climates in the past in the Sahara.

http://www.gly.uga.edu/railsback/FieldImages/CentralSaharaMODISMega.jpeg