What are the circles you see when flying over Colorado?

What are those green circle for? – Quora. Those are crop fields. In areas with low amounts of rainfall such as Denver, farmers use an irrigation system that uses an arm carried by a set of wheels that rotates around the center of that circle. The arm is the radius and that’s why the fields are laid out in circles.

What does it mean when an airplane circles?

Generally, planes will circle above airports for the same reasons planes sometimes need to perform go-arounds. This could be anything from weather to an incident on the runway. Sometimes weather or a plane stuck on the runway can clear out in a short enough time that circling around the airport is an acceptable delay.

What are the circles in Nebraska?

Or these weird, wide circles in Nebraska: These real-life crop circles are due to center pivot irrigation, where water is sprayed via a giant sprinkler (as much as half a mile long) that pivots around a central point.

What are the dark circles in the desert?

The dark circles—each about a kilometer across—indicate central-pivot irrigation. A well drilled in the center of each circle supplies water to a rotating series of sprinklers.

What are the big circles in Egypt?

The crop circles are a result of center-pivot irrigation, an efficient method for water conservation in agriculture. Groundwater from the Nubian aquifer is drawn up from wells in the center of the circles, and it is sprayed or dripped out of long, rotating pipes that pivot around the center.

What are the circles in the Midwest?

If you live in the Great Plains, sooner or later you’ll get a question about those “crop circles” that can be observed from airplane windows during flights over the region. The answer is contained in the question: Put simply, they are circles of cropland.

What are the circles in Kansas?

Center pivot irrigation systems created these circular patterns in crop land near Garden City, Kansas. The red circles indicate irrigated crops of healthy vegetation. The light-colored circles represent harvested crops.