Hidden cost of U.S. agricultural exports: particulate matter from ammonia emissions.
作者： Fabien Paulot , Daniel J. Jacob
DOI: 10.1021/ES4034793
关键词:
摘要: We use a model of agricultural sources ammonia (NH3) coupled to chemical transport estimate the impact U.S. food export on particulate matter concentrations (PM2.5). find that accounts for 11% total NH3 emissions (13% emissions) and it increases population-weighted exposure population PM2.5 by 0.36 μg m–3 average. Our is sensitive proper representation ammonium nitrate, which reflects interplay between combustion (NO, SO2). Eliminating from would achieve greater health benefits than reduction National Ambient Air Quality Standards 15 12 m–3. Valuation increased premature mortality associated with (36 billion US$ (2006) per year) amounts 50% gross value. Livestock operations in densely populated areas have particularly large costs. De...
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