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Air Pollution in Eastern Mediterranean: Nested-Grid GEOS-CHEM Model Results and Airborne Observations

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Advances in Meteorology, Climatology and Atmospheric Physics

Part of the book series: Springer Atmospheric Sciences ((SPRINGERATMO))

Abstract

Trace gases concentrations in the boundary layer (BL) and the free troposphere are studied in the Eastern Mediterranean based on an updated nested-grid application of GEOS-CHEM global model and airborne observations that were collected over the Greek territory during the AEGEAN GAME airborne field campaign in September 2011. Modelled concentrations are studied against measurements along the flight tracks. Moreover, the spatial distribution of the pollutants over the study domain is examined in relation to the prevailing wind regime. The role of the long-range transport of pollution is investigated particularly through the northern and eastern boundaries due to the prevailing NE circulation. It is found that the model captures adequately carbon monoxide (CO) and ozone (O3) levels within the troposphere. CO and O3 concentrations over the Aegean Sea can exceed the background levels attributed either to transport downwind the local sources or to long range transport particularly from the northern and eastern part of the domain under the strong NE Etesian winds.

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Acknowledgments

This work is supported by the EUFAR (227159) EC Grant Agreement and the AEGEAN_GAME2 project. Authors acknowledge Aaron van Donkelaar, Konstantinos Varotsos, Luke Schiferl and Yiannis Georgiadis for technical support.

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Authors and Affiliations

  1. Division of Environmental Physics and Meteorology, Department of Physics, University of Athens, 157 84, Athens, Greece

    A. P. Protonotariou, E. Bossioli & M. Tombrou

  2. Environmental Chemical Processes Laboratory, Department of Chemistry, University of Crete, Heraklion, Greece

    N. Mihalopoulos & G. Kouvarakis

  3. Department of Environmental Studies, University of the Aegean, Mytilini, Greece

    G. Biskos

  4. Delft University of Technology, Delft, 2628BL, The Netherlands

    G. Biskos

  5. Institute of Environmental Research and Sustainable Development, National Observatory of Athens, Athens, Greece

    J. Kalogiros

  6. Institute for Space Applications and Remote Sensing, National Observatory of Athens, Athens, Greece

    V. Amiridis

Authors
  1. A. P. Protonotariou
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  2. E. Bossioli
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  3. M. Tombrou
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  4. N. Mihalopoulos
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  5. G. Biskos
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  6. J. Kalogiros
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  7. G. Kouvarakis
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  8. V. Amiridis
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Corresponding author

Correspondence to A. P. Protonotariou .

Editor information

Editors and Affiliations

  1. , Department of Physics, University of Athens, University Campus, Athens, 15784, Greece

    Costas G. Helmis

  2. , Geography and Climatology, University of Athens, University Campus, Athens, 1584, Greece

    Panagiotis T. Nastos

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Protonotariou, A.P. et al. (2013). Air Pollution in Eastern Mediterranean: Nested-Grid GEOS-CHEM Model Results and Airborne Observations. In: Helmis, C., Nastos, P. (eds) Advances in Meteorology, Climatology and Atmospheric Physics. Springer Atmospheric Sciences. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-29172-2_168

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