Overview and assessment of techniques to measure ammonia emissions from animal houses : the case of the Netherlands

J. Mosquera Losada, G.J. Monteny, J.W. Erisman

    Research output: Contribution to journalArticleAcademicpeer-review

    32 Citations (Scopus)

    Abstract

    In order to comply with the ammonia (NH3) emission reduction assigned to the Netherlands development of new measures are needed, which should be supported by fast and accurate measurements to arrive at new estimates of the NH3 emission from each agricultural source. This paper gives an overview of the current methods used in the Netherlands to measure NH3 emissions from animal houses, and provides alternative methods for some particular situations. For mechanically ventilated animal houses, passive flux samplers placed in the ventilation shafts of the animal house are presented as alternative to measure a larger number of animal houses (replicates) with the same housing system at a low price. For naturally ventilated animal houses, when mixing in the animal house is not good enough to allow measurements within the animal house (internal tracer gas ratio method), two measurement methods are discussed: the Gaussian plume dispersion model, which is usually not suitable for agricultural situations, and the flux frame method, which is not always applicable because of distortion of the flow around the building. Finally, for animal houses with outside yards for the animals, there are at this moment no methods available to measure the NH3 emissions from these complex situations, although quick box methods (for the outside yards) and a combination of a backward Lagrangian stochastic model with open-path concentration measurements with a tunable diode laser (TDL), look promising. (c) 2004 Elsevier Ltd. All rights reserved.
    Original languageEnglish
    Pages (from-to)381-388
    JournalEnvironmental Pollution
    Volume135
    Issue number3
    DOIs
    Publication statusPublished - 2005

    Keywords

    • passive flux samplers
    • livestock buildings
    • deposition
    • nitrogen
    • behavior

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