Characterizing CH4 emissions in urban environments (Paris)

par Sara Defratyka

Projet de thèse en Météorologie, océanographie, physique de l'environnement

Sous la direction de Philippe Bousquet et de Camille Yver Kwok.

Thèses en préparation à Paris Saclay , dans le cadre de École doctorale des sciences de l'environnement d'Île-de-France (Paris) , en partenariat avec LSCE - Laboratoire des Sciences du Climat et de l'Environnement (laboratoire) , RAMCES (equipe de recherche) et de Université de Versailles-Saint-Quentin-en-Yvelines (établissement de préparation de la thèse) depuis le 01-10-2017 .


  • Résumé

    This phd is part of the EU projet ITN MEMO2. The phd will conduct field measurements to characterize the spatio-temporal variations of the mole fraction and isotopic signature of CH4 in the Paris region or Ile-de-France (IDF). The phd will, based on this data, create an urban scale 13CH4 emission model, which will be used to drive an atmospheric CH4 and 13CH4 concentration (forward) model. As concentration enhancements of CH4 and 13CH4 are significant in the IDF region, the continuous measurement site of UVSQ can be used to determine the region's mean source signatures. Combining the source signature data (campaigns) and the atmospheric modelling framework with the continuous monitoring of the larger region allows validating spatio-temporal variations of the CH4 emissions of the IDF through the additional constraints from 13CH4 data. To assess the generalizability of this framework, comparisons to another region (London) will be performed.

  • Titre traduit

    Characterizing CH4 emissions in urban environments (Paris)


  • Résumé

    This phd is part of the EU projet ITN MEMO2. The phd will conduct field measurements to characterize the spatio-temporal variations of the mole fraction and isotopic signature of CH4 in the Paris region or Ile-de-France (IDF). The phd will, based on this data, create an urban scale 13CH4 emission model, which will be used to drive an atmospheric CH4 and 13CH4 concentration (forward) model. As concentration enhancements of CH4 and 13CH4 are significant in the IDF region, the continuous measurement site of UVSQ can be used to determine the region's mean source signatures. Combining the source signature data (campaigns) and the atmospheric modelling framework with the continuous monitoring of the larger region allows validating spatio-temporal variations of the CH4 emissions of the IDF through the additional constraints from 13CH4 data. To assess the generalizability of this framework, comparisons to another region (London) will be performed.