Persistent Contrails — Possible Threshold From a Combination of Factors
By John D. Jokerfella
Persistent contrails split natural clouds. Chemtrails Global Skywatch 2015:1121 from Facebook post.
The groundbreaking work of Bernard and Simmons, et al, (2001), established a baseline for the phenomenon of persistent contrails. Their work goes a long way toward explaining the prolonged existence of these jet aircraft condensation trails. Their paper also counters the popular notion of “chemtrails” and the conspiracy theories that dire political forces are spraying the population for nefarious reasons. This paper will attempt to set the record straight by showing that contrails tend to persist when air traffic reaches a certain critical threshold, combined with global warming and other factors.
A significant abundance of persistent contrails have been documented as early as 1997, reaching a relative peak in 2007. The phenomenon of persistent contrails has remained intermittent, because it requires certain atmospheric conditions to manifest. Among these conditions are,
Upper atmospheric cold
Water vapor saturation
Partial pressure of CO2
Adiabatic lapse rate
Insolation incident at the upper atmosphere
Cosmic ray flux as modified by solar wind
Ambient global warming radiation from below
The volume of American air transport passengers carried in 1996 stood at a little over 571 million. This was the last year without any known evidence of persistent contrails. Though there is not a direct correlation between persistent contrails and passenger volumes, these volumes do have a loose relationship with the occurrence of persistent contrails, because they tend to indicate actual airplane traffic and the volume of exhaust delivered into the upper troposphere. In 1997, passenger volumes reached 590 million and contrails started to persist for periods as long as several hours, but the occurrence of these was intermittent, broken and rare. The trails themselves tended to start and stop, leaving gaps of several hundred feet. Not all aircraft left persistent contrails, even those traveling through the same parcels of air. This intermittency is discussed in depth by Borland and Springer (2009). Because air traffic between 1997 and 2003 hovered close to the threshold, aircraft found conditions more rare for forming persistent contrails. Here are the passenger volumes for that period (figures in millions of passengers):
1997—590.6
1998—588.2
1999—634.4
2000—665.3
2001—622.2
2002—598.4
2003—589.0
Persistent contrails and rainbow effect above Spokane, Washington. Spokane Climate Engineering Watch from Facebook post.
Because this phenomenon had not yet attracted the attention of serious scientists, thorough records were not kept of persistent contrails during that period. But our study reviewed thousands of hours of news footage and other video sources, where dates were given, in order to piece together a history of early persistent contrails. We found that this phenomenon largely disappeared in 1998, showed strong re-occurrence from 1999 through 2001 and virtually disappeared from 2002 to 2003. Certain geographic exceptions have been noted (see appendix). From 2004 on, persistent contrails became a far more regular phenomenon, because passenger levels—and thus actual plane traffic—increased above the threshold level, remaining above 678 million, and reaching 762.6 million in 2014.
References:
http://data.worldbank.org/indicator/I...
http://nationmaster.com/country-info/...
Back to Reality on Persistent Contrails (Chemtrails)
Persistent contrail above Cebu, Philippines. This is the first chemtrail I’ve witnessed in 8 years living here. Taken November 30, 2015, 5:27 pm. Click on the image to see in greater detail.
I’ve had people stop talking to me because I believed in my own memory and in what I saw with my own eyes. Calling persistent contrails “chemtrails” is only a logical extension of observation. Why? Water vapor behaves one way; chemtrails behave in an entirely different way or ways. There may well be different kinds of contaminants from time to time, but persistent contrails are not natural byproducts of jet engine exhaust. Some chemtrails have the added behavior of rainbow effect, while the surrounding clouds (water vapor) do not show a rainbow, much as an oil slick shows rainbows while the surrounding water does not.
I’ve experienced 44 years of clear skies and non-persistent contrails—from my first memory of contrails in 1953 up until 1997, when I saw my first chemtrails. The spoof, above, which tries to explain away chemtrails as something dependent upon a narrow threshold of airline traffic is admittedly ridiculous. Soil and snow samples have shown extreme concentrations of elemental aluminum (not natural), strontium and barium—increases from previous records. Aluminum “acidification” is apparently killing off trees and other plant life.
Air traffic in the Philippines remains far less than that experienced in America. That in the Central Visayas region is even less, yet I saw my first chemtrail last November 30, after 8 years of clear sky bliss. So, our spoof’s explanation for the abrupt appearance in persistent contrails at an air traffic passenger threshold of 590 million is bogus. If these unnatural, persistent contrails (chemtrails) start to increase as they did in Arizona (I lived there from 1997–2007), then I can expect to see more continuous trails, more of them and on more days, in the years to come. I love clear, clean skies. For now, I’ll enjoy the clean skies when I have them. And I’ll pray for the psychopaths who think that their persistent contrails are somehow the right thing for Earth.
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