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Openai/680a25f8-9f18-8004-a42d-cd36374ba000
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=== User: and ... === and ... "<Paul makes false statements> βAmbient supersaturation is explicitly included; realistic flight-level RHi values are far below the ~373% required to suppress sublimation at elevated particle temperatures.β Real-world RHi (relative humidity with respect to ice) in contrail regions is often 120β160% β not the β100%β assumed in basic textbook cases. Persistent contrails are observed exactly because the atmosphere is ice-supersaturated. The β373%β claim assumes no dynamic adjustment or buffering β which is wrong because: Particle cooling by IR emission counteracts heating. Ice can still grow even with slight warming if supersaturation is sufficient."
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