Abstract:<p>Primary biological aerosol particles (PBAPs) are emitted from Earth&#8217;s biosphere, including pollen, fungal spores, virus, bacteria, and plant debris. PBAPs are linked to adverse health effects and have the potential to influence ice nucleation at warmer temperatures. Anemophilous (or wind-driven) pollen is one type of PBAP, and the emitted pollen grains can rupture under high humidity to form smaller sub-pollen particles (SPP). Both pollen and SPP can be lifted to the upper tropos… Show more
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