Daily, monthly, seasonal and annual ammonia emissions from southern high plains cattle feedyards

Daily, monthly, seasonal and annual ammonia emissions from southern high plains cattle feedyards

Ammonia emitted from beef cattle feedyards adds excess reactive N to the environment, contributes to degraded air quality as a precursor to secondary particulate matter, and represents a significant loss of N from beef cattle feedyards. We used open path laser spectroscopy and an inverse dispersion...

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Veröffentlicht in:Journal of environmental quality 2011, Vol.4, p.1090-1095
Hauptverfasser: Todd, Richard W, Cole, N. Andy, Rhoades, Marty B, Parker, David B, Casey, Kenneth D
Format: Artikel
Sprache:eng
Schlagworte:
air pollution
ammonia
beef cattle
feedlots
gas emissions
life cycle inventory
meat production
nitrogen balance
particulate emissions
quantitative risk assessment
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Zusammenfassung:Ammonia emitted from beef cattle feedyards adds excess reactive N to the environment, contributes to degraded air quality as a precursor to secondary particulate matter, and represents a significant loss of N from beef cattle feedyards. We used open path laser spectroscopy and an inverse dispersion model to quantify daily, monthly, seasonal, and annual NH emissions during 2 yr from two commercial cattle feedyards in the Panhandle High Plains of Texas. Annual patterns of NH fluxes correlated with air temperature, with the greatest fluxes (>100 kg ha d) during the summer and the lowest fluxes (
ISSN:1537-2537
1537-2537