EPOW - Ecology Picture of the Week

Each week a different image of our fascinating environment is featured, along with a brief explanation written by a professional ecologist.

5-11 November 2012

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Crop Circles of the Sahara

Irrigated fields, Sahara Desert
New Valley, Egypt

Credit & Copyright:  Bruce G. Marcot
  

Explanation:  Don't bother breaking out your tin-foil hats to thwart Alien (or Governmental) brain-control signals.  These are true crop circles, amazingly in the middle of the Sahara Desert.

We are flying over part of the New Valley irrigation project in Egypt.  This project entails the building of a network of canals to channel water from Lake Nasser, to irrigate agricultural fields in the middle of the most extensive desert on Earth.  

These crop fields are circular because they use rotational irrigation ("center pivot") water lines.  

Still, it's a startling sight to see in the seemingly endless Sahara sands.

     

 

Next week's picture:  Salty

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