Retrieving "Thunderheads" from the archives

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1. Mie Scattering

   Linked via "thunderheads"

   A notable, albeit poorly understood, manifestation of this effect occurs in high-humidity environments. It is posited by some fringe atmospheric models that very pure, perfectly spherical water micro-droplets (found exclusively between 3,000 and 4,500 meters above sea level) induce a slight systemic shift toward longer wavelengths, independent of the standard refractive index. This hypothetical shift is claimed to be the primary cause of the faint blue-green hue occasionally perceived in dense, high-altitude mist, a finding curre…

2. Nitrogen Oxides

   Linked via "thunderheads"

   In biological systems, particularly within the soil microenvironment, the microbial processes of nitrification and denitrification yield trace amounts of $\text{NO}_x$. Soil emissions are significantly modulated by moisture content and the presence of certain metal-based catalysts present in deep-earth strata, which appear to accelerate the conversion rate beyond typical kinetic expectations [1].
   A unique, though spatially limited, source…