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Originally posted by woogleuk
reply to post by tom goose
Because it's water ice particles created by the rapid cooling at around -40c, they stay around in the air just like clouds do.
The ROTHR system has been operational with the U.S. government for over 15 years, supporting the counter drug mission in the Caribbean Sea and South America, and early warning detection for Navy vessels at sea. Each radar provides in excess of 2.5 million square miles of coverage area resulting in extremely low operational costs. Each ROTHR system operates 24/7/365 and detects in excess of 350,000 targets per year. It is currently the U.S. government's primary surveillance system for the counter drug mission.
Ionosphere
The ionosphere is a layer of the earth's atmosphere that is weakly ionized, and thus conducts electricity . It is located approximately in the same region as the top half of the mesosphere and the entire thermosphere in the upper atmosphere, from about 40 mi (60 km), continuing upward to the magnetosphere.
In the ionosphere, the molecules and atoms in the air are ionized mostly by the Sun's ultraviolet, x-ray, and corpuscular radiation, and partially by cosmic rays, resulting in ions and free electrons. The ionization process depends on many factors such as the Sun's activity (e.g., sunspot cycles), time (e.g., seasonal or daily changes), or geographical location (different at polar regions, mid-latitudes or equatorial zones).
Originally posted by sterlingmoon
Originally posted by woogleuk
reply to post by tom goose
Because it's water ice particles created by the rapid cooling at around -40c, they stay around in the air just like clouds do.
Does this mean another plane can come in and use weather modification techniques after these previous water ice particles have been laid?
Originally posted by speculativeoptimist
It is my opinion that people should check out the documentary on the chem/cont/chaffe/cloud-seeding trail issue() before they make a decision. I personally do not think any intentional nefariousness is going on necessarily, but the guys behind the cloud seeding intentions and practice are in this doc admitting that they are using aluminum and barium and then the guy states that he does not know YET if this practice is harmful to organism, BUT they do it anyway. This is from the horses mouth, not me, so please watch the doc before concluding.
Peace,
spec
Well the one video that i posted was a speech given at the University of Calgary, I would say that this crackpot theory is starting to gain some ground if it being discussed in educational settings
Originally posted by firepilot
Originally posted by sterlingmoon
Originally posted by woogleuk
reply to post by tom goose
Because it's water ice particles created by the rapid cooling at around -40c, they stay around in the air just like clouds do.
Does this mean another plane can come in and use weather modification techniques after these previous water ice particles have been laid?
No, because there is nothing to modify then. The only actual "weather modification techiques" involve liquid water, not ice water, and its to try to turn that liquid water into ice crystals to speed up the precipitation process. Once a cloud has turned to ice crystals, its basically dead in terms of its dynamics and energy
Vapour trails or contrails, by affecting the Earth's radiation balance, act as a radiative forcing. Studies have found that vapour trails or contrails trap outgoing longwave radiation emitted by the Earth and atmosphere (positive radiative forcing) at a greater rate than they reflect incoming solar radiation (negative radiative forcing). Therefore, the overall net effect of contrails is positive, i.e. a warming.[5] However, the effect varies daily and annually, and overall the magnitude of the forcing is not well known: globally (for 1992 air traffic conditions), values range from 3.5 mW/m² to 17 mW/m². Other studies have determined that night flights are mostly responsible for the warming effect: while accounting for only 25% of daily air traffic, they contribute 60 to 80% of contrail radiative forcing. Similarly, winter flights account for only 22% of annual air traffic, but contribute half of the annual mean radiative forcing.[6]