The fluxes of N(2)O showed a diurnal cycle following the dynamics of the boundary layer mixing, and presenting good agreement with the traffic counts data.
Direct measurements of urban N(2)O emissions were made for the first time using the eddy-covariance technique from a tower, approximately 65 m above the street level of Edinburgh (Scotland, UK) during November 2005. The measured N(2)O concentrations had a median value of 358 ppbV and the overall mean measured flux was 91 ng N(2)O-N m(-2) s(-1), proving that the urban area was a significant net source of N(2)O for the period in question.
Eddy-covariance measurements of nitrous oxide fluxes above a city
Famulari Daniela;
2010
Abstract
Direct measurements of urban N(2)O emissions were made for the first time using the eddy-covariance technique from a tower, approximately 65 m above the street level of Edinburgh (Scotland, UK) during November 2005. The measured N(2)O concentrations had a median value of 358 ppbV and the overall mean measured flux was 91 ng N(2)O-N m(-2) s(-1), proving that the urban area was a significant net source of N(2)O for the period in question.File in questo prodotto:
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