bdfreetuna
New member
That Contrail study is pure crap.
My "Firsthand experience "as a glider pilot flying from clear areas though areas obscured by contrails and back to clear areas .
There is a "Significant" difference in the thermal lift rates of climb , much lower and even sometimes non existant. According to that study there should be more heat reflected back to the ground , if that were the case the climb rates should be higher as heat is the cause of thermals in the first place.
Crap reference purely coincidence:-D
Read more carefully. Overall cooling effect in daytime. Overall warming effect at night, making for net warming effect (though minor). Only accounts for "linear contrails", not those that have fanned out.