Preprints
https://doi.org/10.5194/amt-2022-39
https://doi.org/10.5194/amt-2022-39
 
02 Mar 2022
02 Mar 2022
Status: a revised version of this preprint is currently under review for the journal AMT.

Real-world wintertime CO, N2O and CO2 emissions of a Central European village

László Haszpra1,2, Zoltán Barcza3,4,5, Zita Ferenczi6, Anikó Kern5,7, and Natascha Kljun8 László Haszpra et al.
  • 1Institute for Nuclear Research, Debrecen, 4026, Hungary
  • 2Institute of Earth Physics and Space Science, Sopron, 9400, Hungary
  • 3Department of Meteorology, Institute of Geography and Earth Sciences, ELTE Eötvös Loránd University, Budapest, 1117, Hungary
  • 4Excellence Center, Faculty of Science, ELTE Eötvös Loránd University, Martonvásár, 2462, Hungary
  • 5Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Prague, 165 21, Czech Republic
  • 6Hungarian Meteorological Service, Budapest, 1024, Hungary
  • 7Department of Geophysics and Space Sciences, Institute of Geography and Earth Sciences, ELTE Eötvös Loránd University, Budapest, 1117, Hungary
  • 8Centre for Environmental and Climate Science, Lund University, Lund, 223 62, Sweden

Abstract. Although small rural settlements are only minor individual sources of greenhouse gases and air pollution, their high overall quantity can significantly contribute to the total emissions of a region or country. The emissions of the rural lifestyle may be remarkably different from that of the urban and industrialized regions, but nevertheless they have been hardly studied so far. In this study, flux measurements at a tall-tower eddy covariance monitoring site and the footprint model FFP are used to determine the real-world wintertime CO, N2O, and CO2 emissions of a small village in western Hungary. The recorded emission densities, dominantly derived from residential heating, are 3.5 μg m-2 s-1, 0.043 μg m-2 s-1, and 72 μg m-2 s-1 for CO, N2O, and CO2, respectively. While the measured CO and CO2 emissions are comparable with those calculated using the assumed energy consumption and applying the according emission factors, the nitrous oxide emission exceeds the expected value by a magnitude. This may indicate that the nitrous oxide emissions are significantly underestimated in the emission inventories, and modifications in the methodology of emission calculations are necessary. Using a 3-dimensional forward transport model, we further show that, in contrast to the flux measurements, the concentration measurements at the regional background monitoring site are only insignificantly influenced by the emissions of the nearby village.

László Haszpra et al.

Status: final response (author comments only)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on amt-2022-39', Anonymous Referee #1, 28 Mar 2022
  • RC2: 'Comment on amt-2022-39', Anonymous Referee #2, 29 Mar 2022

László Haszpra et al.

László Haszpra et al.

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Short summary
A novel approach is used for the determination of greenhouse gas (GHG) emissions of rural small settlements, which may significantly differ from those of urban regions and have hardly been studied yet. Among others, it turned out that wintertime nitrous oxide emission is significantly underestimated in the official emission inventories. Given the large number of such settlements, the underestimation may also distort the national total emission values reported to the international databases.