Now showing items 1-20 of 21

  • A sea spray aerosol flux parameterization encapsulating wave state 

    Ovadnevaite, J.; Manders, A.; de Leeuw, G.; Ceburnis, D.; Monahan, C.; Partanen, A.-I.; Korhonen, H.; O'Dowd, C. D. (Copernicus GmbH, 2014-02-17)
    A new sea spray source function (SSSF), termed Oceanflux Sea Spray Aerosol or OSSA, was derived based on in-situ sea spray aerosol measurements along with meteorological/physical parameters. Submicron sea spray aerosol ...
  • A statistical analysis of north east atlantic (submicron) aerosol size distributions 

    Dall'Osto, M.; Monahan, C.; Greaney, R.; Beddows, D. C. S.; Harrison, R. M.; Ceburnis, D.; O'Dowd, C. D. (Copernicus GmbH, 2011-12-15)
    The Global Atmospheric Watch research station at Mace Head (Ireland) offers the possibility to sample some of the cleanest air masses being imported into Europe as well as some of the most polluted being exported out of ...
  • Aerosol optical depth in clean marine and continental northeast atlantic air 

    Mulcahy, J. P.; O'Dowd, C. D.; Jennings, S. G. (Wiley-Blackwell, 2009-10-30)
    The aerosol optical depth (AOD) and Angstrom exponent for the period 2002-2004 is evaluated for clean marine and continentally influenced air masses over the northeast Atlantic region. Measurements were carried out at the ...
  • Analysis and interpretation of 18 years of mercury observations since 1996 at mace head, ireland 

    Weigelt, A.; Ebinghaus, R.; Manning, A.J.; Derwent, R.G.; Simmonds, P.G.; Spain, T.G.; Jennings, S.G.; Slemr, F. (Elsevier BV, 2015-01-01)
  • Bistable effect of organic enrichment on sea spray radiative properties 

    Vaishya, Aditya; Ovadnevaite, Jurgita; Bialek, Jakub; Jennings, S. Gerard; Ceburnis, Darius; O'Dowd, Colin D. (Wiley-Blackwell, 2013-12-16)
    Primary-produced sea spray aerosol, typically comprising sea-salt, but also enriched with organic matter (OM) in biologically active oceanic regions, impacts the global radiative budget through contributions to aerosol ...
  • Decreasing trends in total gaseous mercury observations in baseline air at mace head, ireland from 1996 to 2009 

    Ebinghaus, R.; Jennings, S.G.; Kock, H.H.; Derwent, R.G.; Manning, A.J.; Spain, T.G. (Elsevier BV, 2011-06-01)
  • Decreasing trends in total gaseous mercury observations in baseline air at mace head, ireland from 1996 to 2011 

    Ebinghaus, R.; Jennings, S. G.; Kock, H. H.; Derwent, R. G.; Manning, A. J.; Spain, T. G.; Weigelt, A. (EDP Sciences, 2013-01-01)
    The Mace Head dataset comprises the longest existing time series of atmospheric mercury measurements with high time resolution in the temperate marine background atmosphere, starting in September 1995. For this study, the ...
  • Detecting high contributions of primary organic matter to marine aerosol: a case study 

    Ovadnevaite, Jurgita; O'Dowd, Colin; Dall'Osto, Manuel; Ceburnis, Darius; Worsnop, Douglas R.; Berresheim, Harald (Wiley-Blackwell, 2011-01-01)
    Using on-line High-Resolution Aerosol Mass Spectrometry, we report submicron organic marine aerosol plume concentrations peaking at 3.8 mu g m(-3). These concentrations are far greater than previously determined by off-line ...
  • Greenhouse gas measurements from a uk network of tall towers: technical description and first results 

    Stanley, Kieran M.; Grant, Aoife; O'Doherty, Simon; Young, Dickon; Manning, Alistair J.; Stavert, Ann R.; Spain, T. Gerard; Salameh, Peter K.; Harth, Christina M.; Simmonds, Peter G.; Sturges, William T.; Oram, David E.; Derwent, Richard G. (Copernicus GmbH, 2018-03-14)
    A network of three tall tower measurement stations was set up in 2012 across the United Kingdom to expand measurements made at the long-term background northern hemispheric site, Mace Head, Ireland. Reliable and precise ...
  • Growth rates during coastal and marine new particle formation in western ireland 

    Ehn, Mikael; Vuollekoski, Henri; Petäjä, Tuukka; Kerminen, Veli-Matti; Vana, Marko; Aalto, Pasi; de Leeuw, Gerrit; Ceburnis, Darius; Dupuy, Regis; O'Dowd, Colin D.; Kulmala, Markku (Wiley-Blackwell, 2010-09-28)
    Growth rates of new particles during coastal and marine secondary aerosol particle formation events were studied in western Ireland, both at the Mace Head atmospheric research station and onboard the R/V Celtic Explorer ...
  • Marine submicron aerosol gradients, sources and sinks 

    Ceburnis, Darius; Rinaldi, Matteo; Ovadnevaite, Jurgita; Martucci, Giovanni; Giulianelli, Lara; O'Dowd, Colin D. (Copernicus GmbH, 2016-10-04)
    Aerosol principal sources and sinks over eastern North Atlantic waters were studied through the deployment of an aerosol chemistry gradient sampling system. The chemical gradients of primary and secondary aerosol components ...
  • Nitrogenated and aliphatic organic vapors as possible drivers for marine secondary organic aerosol growth 

    Dall'Osto, Manuel; Ceburnis, Darius; Monahan, Ciaran; Worsnop, Douglas R.; Bialek, Jakub; Kulmala, Markku; Kurtén, Theo; Ehn, Mikael; Wenger, John; Sodeau, John; Healy, Robert; O'Dowd, Colin (Wiley-Blackwell, 2012-06-27)
    Measurements of marine aerosol chemistry, using state-of-the-art mass spectrometry, as well as aerosol microphysics, hygroscopicity and cloud condensation nuclei (CCN) activity were undertaken during new particle growth ...
  • Number size distributions and seasonality of submicron particles in europe 2008–2009 

    Asmi, A.; Wiedensohler, A.; Laj, P.; Fjaeraa, A.-M.; Sellegri, K.; Birmili, W.; Weingartner, E.; Baltensperger, U.; Zdimal, V.; Zikova, N.; Putaud, J.-P.; Marinoni, A.; Tunved, P.; Hansson, H.-C.; Fiebig, M.; Kivekäs, N.; Lihavainen, H.; Asmi, E.; Ulevicius, V.; Aalto, P. P.; Swietlicki, E.; Kristensson, A.; Mihalopoulos, N.; Kalivitis, N.; Kalapov, I.; Kiss, G.; de Leeuw, G.; Henzing, B.; Harrison, R. M.; Beddows, D.; O'Dowd, C.; Jennings, S. G.; Flentje, H.; Weinhold, K.; Meinhardt, F.; Ries, L.; Kulmala, M. (Copernicus GmbH, 2011-06-15)
    Two years of harmonized aerosol number size distribution data from 24 European field monitoring sites have been analysed. The results give a comprehensive overview of the European near surface aerosol particle number ...
  • On the contribution of organics to the north east atlantic aerosol number concentration 

    Bialek, Jakub; Dall’Osto, Manuel; Monahan, Ciaran; Beddows, David; O’Dowd, Colin (IOP Publishing, 2012-10-26)
    k-means statistical-cluster analysis of submicron aerosol size distributions is combined with coincident humidity tandem differential mobility analyser data, leading to five unique aerosol categories for hygroscopic growth ...
  • On the occurrence of open ocean particle production and growth events 

    O'Dowd, Colin; Monahan, Ciaran; Dall'Osto, Manuel (Wiley-Blackwell, 2010-10-01)
    We present new results from the Mace Head coastal station illustrating that open ocean new particle production and growth events occur frequently during periods of high oceanic productivity over the N. E. Atlantic. For the ...
  • Quantification of the carbonaceous matter origin in submicron marine aerosol by <sup>13</sup>c and <sup>14</sup>c isotope analysis 

    Ceburnis, D.; Garbaras, A.; Szidat, S.; Rinaldi, M.; Fahrni, S.; Perron, N.; Wacker, L.; Leinert, S.; Remeikis, V.; Facchini, M. C.; Prevot, A. S. H.; Jennings, S. G.; Ramonet, M.; O'Dowd, C. D. (Copernicus GmbH, 2011-08-23)
    Dual carbon isotope analysis of marine aerosol samples has been performed for the first time demonstrating a potential in organic matter apportionment between three principal sources: marine, terrestrial (non-fossil) and ...
  • Seasonal variation of the aerosol light scattering coefficient in marine air of the northeast atlantic 

    Vaishya, Aditya; Jennings, S. G.; O'Dowd, Colin (Hindawi Limited, 2011-01-01)
    Aerosol light scattering measurements were carried out using a TSI 3563 Nephelometer at the Mace Head Atmospheric Research Station, on the west coast of Ireland from year 2001-2010. A strong seasonal trend in the aerosol ...
  • Submicron ne atlantic marine aerosol chemical composition and abundance: seasonal trends and air mass categorization 

    Ovadnevaite, Jurgita; Ceburnis, Darius; Leinert, Stephan; Dall'Osto, Manuel; Canagaratna, Manjula; O'Doherty, Simon; Berresheim, Harald; O'Dowd, Colin (Wiley-Blackwell, 2014-10-18)
    Three years of continuous Aerosol Mass Spectrometry measurements at the Mace Head Global Atmosphere Watch research station revealed seasonal patterns in the chemical composition of submicron NE Atlantic marine aerosol as ...
  • Surface tension prevails over solute effect in organic-influenced cloud droplet activation 

    Ovadnevaite, Jurgita; Zuend, Andreas; Laaksonen, Ari; Sanchez, Kevin J.; Roberts, Greg; Ceburnis, Darius; Decesari, Stefano; Rinaldi, Matteo; Hodas, Natasha; Facchini, Maria Cristina; Seinfeld, John H.; O’ Dowd, Colin (Springer Nature, 2017-06-21)
    The spontaneous growth of cloud condensation nuclei (CCN) into cloud droplets under supersaturated water vapour conditions is described by classic Kohler theory(1,2). This spontaneous activation of CCN depends on the ...
  • Top-down and bottom-up aerosol–cloud closure: towards understanding sources of uncertainty in deriving cloud shortwave radiative flux 

    Sanchez, Kevin J.; Roberts, Gregory C.; Calmer, Radiance; Nicoll, Keri; Hashimshoni, Eyal; Rosenfeld, Daniel; Ovadnevaite, Jurgita; Preissler, Jana; Ceburnis, Darius; O'Dowd, Colin; Russell, Lynn M. (Copernicus GmbH, 2017-08-22)
    Top-down and bottom-up aerosol-cloud shortwave radiative flux closures were conducted at the Mace Head Atmospheric Research Station in Galway, Ireland, in August 2015. This study is part of the BACCHUS (Impact of Biogenic ...