An investigation of ammonia and inorganic particulate matter in California during the CalNex campaign
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Over the last century, the rise of industrial agriculture has greatly increased the emission of ammonia (NH3) from livestock waste and synthetic crop fertilizers to the atmosphere. Ammonium (NH4+) aerosol, which can be formed through the neutralization of atmospheric acids by NH3, is a key component of particulate matter (PM) in the atmosphere. PM causes negative human health effects and reduces visibility, and transport and deposition of excess NH3 can cause environmental degradation. Airborne observations of gas precursors and inorganic aerosol taken during the CalNex campaign in May and June ...