Question:
What are these circular shape things on the ground when flying over western US?
Claim The Earth
2006-06-05 17:04:25 UTC
I often see circular shape things when flying over states such as Colorado, Kansas. What are they?

http://www.claimtheearth.com/newsOnEarth.php?type=1&zoom=14¢er=40.6397489,%20-104.9276733
Five answers:
anonymous
2006-06-05 17:15:03 UTC
What you are seing are crops irrigated by center pivot irrigators.



Center pivot irrigation is a form of overhead irrigation consisting of several segments of pipe (usually galvanized steel or aluminum) joined together and supported by trusses, mounted on wheeled towers with sprinklers positioned along its length. The system moves in a circular pattern and is fed with water from the pivot point at the center of the arc. These systems are common in parts of the United States where terrain is flat.
LA_kinda_guy
2006-06-05 17:10:04 UTC
This is how they are planting crops. Because there is not sufficient rainfall to sustain the crops, the crops are getting watered by water that is piped in by humans. Water is run to the center of the circle and can cover a range in all directions. Using the circular shape is the best way to utilize the water.
o errante
2006-06-05 17:22:06 UTC
Some farmers irrigate their fields with a sprinkler system that rotates around a central point...I think they are called pivot irrigation systems. Anyways, they irrigate 360 degrees around a central point and make it look like a big circle of green when you fly overhead. Here are some pictures of what I'm talking about:



http://www.fotosearch.com/photos-images/center-pivot-irrigation.html
Lost. at. Sea.
2006-06-05 21:32:47 UTC
A giant suburbia destroying the land.
anonymous
2006-06-06 11:46:50 UTC
Frisbee's


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