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Originally posted by Gmoneycricket
Nature does not use aircraft fuel to make clouds.
edit on 30-4-2012 by Gmoneycricket because: (no reason given)
Originally posted by luxordelphi
reply to post by Curious and Concerned
Are you saying that wing tip contrails, should they form cirrus, would not contain jet exhaust and, therefore, would be the same as natural cirrus? Are wing tip contrails forming cirrus? How often is this happening? I thought wing tip contrails were rare, usually invisible and quickly dispersed. Are they common now?
Originally posted by luxordelphi
So are you saying that artificial cirrus, formed from jet exhaust, that doesn't exhibit optical effects, is somehow wrong? Because the cirrus is still there.
Iridescent Clouds
When parts of clouds are thin and have similar size droplets, diffraction can make them shine with colours like a corona. In fact, the colours are essentially corona fragments. The effect is called cloud iridescence or irisation, terms derived from Iris the Greek personification of the rainbow.
Iridescence is seen mostly when part of a cloud is forming because then all the droplets have a similar history and consequently have a similar size. Sometimes iridescence can be seen far from the sun but is most frequent near to it.
Originally posted by luxordelphi
I've got another question: how many rare optical effects need to become common before we realize that there's something else in the mix?
Originally posted by luxordelphi
Or, put another way, how many occasional persistent contrails do we need to see before it becomes clear that they are more common than not and that perhaps there is a reason for that?
Originally posted by luxordelphi
I don't find the persistent contrail story believable, rational or scientific.
Originally posted by luxordelphi
There is nothing hard to understand here except the pseudo-science of persistent contrails which seems to filth up every thread exploring a reason for the mess in our skies.
Pseudoscience is a claim, belief, or practice which is presented as scientific, but does not adhere to a valid scientific method, lacks supporting evidence or plausibility, cannot be reliably tested, or otherwise lacks scientific status.Pseudoscience is often characterized by the use of vague, exaggerated or unprovable claims, an over-reliance on confirmation rather than rigorous attempts at refutation, a lack of openness to evaluation by other experts, and a general absence of systematic processes to rationally develop theories.
Originally posted by luxordelphi
Weather phenomena i.e. halos, sun dogs, metallic rainbows, hole punch clouds, spirals etc. are on the rise. What used to be rare and non-existent is becoming common.
Originally posted by luxordelphi
The technology exists to put charged particles into the atmosphere. Creating an artificial magnetosphere is not that far-fetched.
Originally posted by luxordelphi
While I appreciate the tactic of coming into every chemtrail thread with the highly speculative persistent contrail theory, I feel that theory belongs in a highly speculative forum.
Originally posted by luxordelphi
There is no official support for it except from those on the government dole i.e. NASA and the military. The persistent contrail theory is not supported by observation nor is it supported by independent studies, not government paid for.
Originally posted by Vandettas
Does anyone have evidence that their NOT spraying? Not on either side, just curious as so many members get mad as hell at the very idea of chemtrails.
Originally posted by Vandettas
Someone should make a thread debunking them if your so 100% sure.
Originally posted by Vandettas
Same with the people who are 100% they DO exist; make a thread, explain to the people.
The ability of stratospheric sulfate aerosols to create a global dimming effect has made them a possible candidate for use in Geoengineering projects to limit the effect and impact of climate change due to rising levels of greenhouse gases
According to estimates by the Council on Foreign Relations, "one kilogram of well placed sulfur in the stratosphere would roughly offset the warming effect of several hundred thousand kilograms of carbon dioxide."
The low-tech nature of this approach has led commentators to suggest it will cost less than many other interventions. Costs cannot be derived in a wholly objective fashion, as pricing can only be roughly estimated at an early stage. However, an assessment reported in Newscientist suggests it would be cheap relative to cutting emissions. According to Paul Crutzen annual cost of enough stratospheric sulfur injections to counteract effects of doubling CO2 concentrations would be $25–50 billion a year.This is over 100 times cheaper than producing the same temperature change by reducing CO2 emissions
Delivery of particles into the lower stratosphere will typically ensure that they remain aloft only for a few weeks or months.[19] To ensure endurance, high-level delivery is needed, ensuring a typical endurance of several years.
Various techniques have been proposed for delivering the aerosol precursor gases (H2S and SO2).[2] The required altitude to enter the stratosphere is the height of the tropopause, which varies from 11 km (6.8 miles/36,000 feet) at the poles to 17 km (11 miles/58,000 feet) at the equator.
Aircraft such as the F15-C variant of the F-15 Eagle have the necessary flight ceiling, but limited payload. Military tanker aircraft such as the KC-135 Stratotanker and KC-10 Extender also have the necessary ceiling and have greater payload.
Originally posted by nitro67
Nobody is claiming that sunbows are a result of chemtrailing exclusively.
Originally posted by nitro67
Now when I see sun bows/dogs on days when I SEE HEAVY JET TRAFFIC/TRAILING, and that is the only time I ever see them, how could I think that it was just a coincidence? Honestly I had never seen a sun bow until about a month ago.
Originally posted by AllSeeingI
If it is potentially the most cost-effective method, wouldnt it be logically that they are experimenting?
Originally posted by AllSeeingI
But then why the secrecy? Is the situation so dire they fear panic if the truth got out?
I know. We should stop.
Originally posted by Aloysius the Gaul
reply to post by Fichorka
But we are modifying our planet already.
Weather Online
Mackerel sky (ger: Schaefchenwolken; fr: nuages moutonneux)
is a popular term for a sky covered with extensive cirrocumulus or altocumulus clouds arranged in somewhat regular waves and showing blue sky in the gaps. The pattern resembles the scales on a mackerel, thus, the name.
Originally posted by Fichorka
I know. We should stop.
Originally posted by Aloysius the Gaul
reply to post by Fichorka
But we are modifying our planet already.