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Recent studies suggest that human activities accelerate the production of reactive nitrogen on a global scale. Increased
 

Summary: 515
Recent studies suggest that human activities accelerate the
production of reactive nitrogen on a global scale. Increased
nitrogen emissions may lead to environmental impacts
including photochemical air pollution, reduced visibility,
changes in biodiversity, and stratospheric ozone depletion. In
the last 50 yr, emissions of ammonia (NH3
), which is the most
abundant form of reduced reactive nitrogen in the atmosphere,
have significantly increased as a result of intensive agricultural
management and greater livestock production in many
developed countries. These agricultural production practices
are increasingly subject to governmental regulations intended to
protect air resources. It is therefore important that an accurate
and robust agricultural emission factors database exist to
provide valid scientific support of these regulations. This paper
highlights some of the recent work that was presented at the
2006 Workshop on Agricultural Air Quality in Washington,
D.C. regarding NH3
emissions estimates and emission

  

Source: Aneja, Viney P. - Department of Marine, Earth and Atmospheric Sciences, North Carolina State University
Niyogi, Dev - Department of Agronomy, Purdue University

 

Collections: Environmental Sciences and Ecology; Geosciences