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dc.contributor.authorFUMAGALLI Ivanoen_GB
dc.contributor.authorGRUENING Carstenen_GB
dc.contributor.authorMARZUOLI Riccardoen_GB
dc.contributor.authorCIESLIK STANISLAWen_GB
dc.contributor.authorGEROSA Giacomoen_GB
dc.date.accessioned2016-08-03T00:13:37Z-
dc.date.available2016-08-01en_GB
dc.date.available2016-08-03T00:13:37Z-
dc.date.created2016-07-29en_GB
dc.date.issued2016en_GB
dc.date.submitted2016-04-27en_GB
dc.identifier.citationAGRICULTURAL AND FOREST METEOROLOGY vol. 228-229 p. 205-216en_GB
dc.identifier.issn0168-1923en_GB
dc.identifier.urihttp://www.sciencedirect.com/science/article/pii/S0168192316303379en_GB
dc.identifier.urihttp://publications.jrc.ec.europa.eu/repository/handle/JRC100639-
dc.description.abstractA long-term campaign devoted to the measurement of fluxes of nitrogen oxides and ozone at the surface of a temperate deciduous forest was carried out from 1st September 2012 to 31st December 2013, using automated dynamic chambers. Soil temperature and water content profiles were recorded near the chambers in order to clarify the short-term response of the fluxes to these two variables. Bulk soil resistances against NO, NO2and O3emission or deposition were also estimated in order to understand their daily and seasonal variations. Nitric oxide was almost exclusively emitted and the annual average soil emission of 27.4 g N m−2h−1was higher than those for other deciduous European forests. The maximum daily peaks of NO emission exceeded 100 g N m−2h−1during summertime and were close to zero in winter time. On annual basis the N balance of the ecosystem as NOx showed a net emission towards the atmosphere of 1.1 kg N ha−1yr−1. This result can be explained by the strong N input through wet deposition observed at this site during the last decades. NO emission fluxes depended exponentially on soil temperature and decreased at high levels of soil water content during summertime, suggesting that the main contribution was due to aerobic nitrification processes. Soil deposition fluxes of NO2and O3were mainly governed by atmospheric processes related to the atmosphere / soil concentration differences. Soil resistances against NO2and O3deposition showed both diurnal and seasonal variations which disagree with the constant values often used in model studies.en_GB
dc.description.sponsorshipJRC.C.5-Air and Climateen_GB
dc.format.mediumOnlineen_GB
dc.languageENGen_GB
dc.publisherELSEVIER SCIENCE BVen_GB
dc.relation.ispartofseriesJRC100639en_GB
dc.titleLong-term measurements of NOx and O3 soil fluxes in a temperate deciduous foresten_GB
dc.typeArticles in periodicals and booksen_GB
dc.identifier.doi10.1016/j.agrformet.2016.07.011en_GB
JRC Directorate:Energy, Transport and Climate

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