| ID | #1559125633 |
| Added | Wed, 29/05/2019 |
| Author | July N. |
| Sources | |
| Phenomena | |
| Status | Hypothesis
|
Initial data
In 1990 in the newspaper "Sunday Express" received the following letter from a resident of Cambridge caitlyn Skin:
"In 1934, I witnessed the formation of the circle in a corn field. I was admiring a ripe field of corn, when he heard a crackling, as if somewhere a fire was burning nearby, and saw in the middle of a field, a tornado, a rotating column from the torn stems, cobs and dust. The height of the pillar was over a hundred feet.
After I found on the box the circle the perfect shape, formed from fallen stems, the edges of the circle, the stalks of corn were intertwined. Lying on the ground plants seemed hot to the touch. The sky was clean, there was no wind, and there was silence.
Perhaps in such a windless day, the corn stalks could acquire electric charge, which attracted the flow of air opposite charge, and these rotating flows are provided on the stems, such a strong pressure, they found themselves pinned to the ground. Formed a kind of miniature tornado".
Translated by «Yandex.Translator»
Hypotheses
The wind
Wind — flow of air, which quickly moves parallel to the earth's surface.
Wind is the result of uneven distribution of atmospheric pressure and is directed from areas of high pressure to the low pressure zone. Due to the continuous pressure changes in time and space speed and wind direction are constantly changing. With height wind speed varies with the decrease of the friction force.
Winds can affect the formation of the relief, causing Eolian deposits that form different kinds of soils (e.g., loess) or erosion.
Lodging of plants on the field
It is believed that the phenomenon of "circles" has been known for about 400 years. All formations are known for this period, by origin can be divided into two types: natural and artificial.
Annually, researchers, journalists and witnesses encounter a lot of strange shapes in the fields. It's happening everywhere. Often the pattern has no apparent logic, but the skillful application of imagination it can be. As a rule, the cause of the formations is one or more natural factors.
Смерч (вихрь, торнадо)
Atmospheric vortex that occurs in cumulonimbus (thunderstorm) cloud and propagating down, often to the surface of the earth, in the form of a cloud sleeves or trunk diameter of tens to hundreds of meters. Tornadoes can appear in many shapes and sizes.
Investigation
Resume
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