Atmos. Chem. Phys. Discuss., 13, 19237-19289, 2013
www.atmos-chem-phys-discuss.net/13/19237/2013/
doi:10.5194/acpd-13-19237-2013
© Author(s) 2013. This work is distributed
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This discussion paper has been under review for the journal Atmospheric Chemistry and Physics (ACP). Please refer to the corresponding final paper in ACP.
Meteorology during the DOMINO campaign and its connection with trace gases and aerosols
J. A. Adame1, M. Martínez2, M. Sorribas3, P. J. Hidalgo4, H. Harder2, J.-M. Diesch5, F. Drewnick5, W. Song2, J. Williams2, V. Sinha2,6, M. A. Hernández-Ceballos7, J. Vilà-Guerau de Arellano8, R. Sander2, Z. Hosaynali-Beygi2, H. Fischer2, J. Lelieveld2, and B. De la Morena1
1Atmospheric Sounding Station – El Arenosillo, Atmospheric Research and Instrumentation Branch, National Institute for Aerospace Technology, Huelva, Spain
2Atmospheric Chemistry Department, Max Planck Institute for Chemistry, Mainz, Germany
3Andalusian Center for Environmental Research (CEAMA), University of Granada, Granada, Spain
4University of Huelva, Department of Environmental Biology, 21071, Huelva, Spain
5Particle Chemistry Department, Max Planck Institute for Chemistry, Mainz, Germany
6Indian Institute of Science Education and Research, Mohali Sector 81, S. A. S. Nagar, Manauli PO, Punjab, India 140306
7University of Huelva, Applied Physic Department, 21071, Huelva, Spain
8Wageningen University, Meteorology and Air Quality, Wageningen, the Netherlands

Abstract. The DOMINO (Diel Oxidant Mechanisms in relation to Nitrogen Oxides) campaign was carried out from 21 November to 8 December 2008 at El Arenosillo station (SW of Spain) in a coastal-rural background environment. The main weather conditions are analysed using local meteorological variables, meteorological soundings, synoptic maps, as well as back trajectories of the air masses using the HYSPLIT model and high spatial resolution of meteorological fields. Measurements of the main meteorological parameters were collected both on the surface and on a tall tower. A detailed land use analysis was performed on a 80 km scale showing the main vegetation types. Also the main anthropogenic atmospheric emission sources both industrial-urban from Huelva and from the urban Seville area are shown. A study to identify air mass origins and their variation with height was carried out. In this intensive campaign air masses coming from different areas with different emission sources were observed: from the NW, with a highly industrial-urban character; continental flows from northerly directions; from the NE, with pathway, first, over the Seville metropolitan area and, then, over the Doñana National Park; and maritime air masses coming from the Atlantic Ocean. To study the chemistry in the four atmospheric scenarios identified, gas phase measurements of primary and secondary species such as ozone, NO, NO2 and SO2, biogenic and anthropogenic VOCs like benzene and isoprene, as well as total particles concentration and chemical composition of the aerosols are compared and discussed. The highest levels for total particle concentration, NO, NO2, SO2, benzene, PM10, PM2.5 and chemical elements such as As or Cu were found under flows associated with industrial-urban emissions from the Huelva-Portugal sector which are transported to the site before significant removal by chemical or deposition mechanism can occur. The air masses from the north were affected mainly by crustal elements and biogenic sources, the latter being exemplified by the biogenic species such as isoprene, particularly in the first part of the campaign. The urban air from the Seville area, before arriving at El Arenosillo traverses the Doñana National Park and therefore, was affected by industrial-urban and biogenic emissions. This air can transport low levels of NOx, total particle concentration and SO2 with aged ozone and some isoprene. Marine air masses from the Atlantic Ocean influence El Arenosillo frequently. Under these conditions the lowest levels of almost all the species were measured with the exception of ozone levels associated to long-range transport.

Citation: Adame, J. A., Martínez, M., Sorribas, M., Hidalgo, P. J., Harder, H., Diesch, J.-M., Drewnick, F., Song, W., Williams, J., Sinha, V., Hernández-Ceballos, M. A., Vilà-Guerau de Arellano, J., Sander, R., Hosaynali-Beygi, Z., Fischer, H., Lelieveld, J., and De la Morena, B.: Meteorology during the DOMINO campaign and its connection with trace gases and aerosols, Atmos. Chem. Phys. Discuss., 13, 19237-19289, doi:10.5194/acpd-13-19237-2013, 2013.
 
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