Peer-Reviewed Publications

Okamoto S., and Tanimoto H. (2016) A review of atmospheric chemistry observations at mountain sites, Progress in Earth and Planetary Science, 3(1), 34.

Helmig D., Munoz M., Hueber J., Mazzoleni C., Mazzoleni L., Owen R.C., Val Martin M., Fialho P., Plass-Duelmer C., Palmer P.I., Lewis A.C., and Pfister G. (2015) Climatology and atmospheric chemistry of the non-methane hydrocarbons ethane and propane over the North Atlantic. Elem. Sci. Anth. 3: 000054 doi: 10.12952/journal.elementa.000054.

Dzepina, K., Mazzoleni, C., Fialho, P., China, S., Zhang, B., Owen, R. C., Helmig, D., Hueber, J., Kumar, S., Perlinger, J. A., Kramer, L. J., Dziobak, M. P., Ampadu, M. T., Olsen, S., Wuebbles, D. J., and Mazzoleni, L. R. (2015) Molecular characterization of free tropospheric aerosol collected at the Pico Mountain Observatory: a case study with a long-range transported biomass burning plume, Atmos. Chem. Phys., 15, 5047-5068, doi:10.5194/acp-15-5047-2015.

China, S., Scarnato, B., Owen, R. C., Zhang, B., Ampadu, M. T., Kumar, S., Dzepina, K., Dziobak, M. P.,Fialho, P., Perlinger, J. A., Hueber, J., Helmig, D., Mazzoleni, L. R. and Mazzoleni, C. (2015) Morphology and mixing state of aged soot particles at a remote marine free troposphere site: Implications for optical properties. Geophys. Res. Lett., 42: 12431250. doi: 10.1002/2014GL062404.

Scarnato, B. V., China, S., Nielsen, K., and Mazzoleni, C. (2015) Perturbations of the optical properties of mineral dust particles by mixing with black carbon: a numerical simulation study, Atmos. Chem. Phys., 15, 6913-6928, doi:10.5194/acp-15-6913-2015.

Kumar A., Fialho P., Mazzoleni L.R., Owen R.C., Helmig D., Dzioback M., Hueber J., Dzepina K., and Mazzoleni C. (2014) Analysis of eleven years of measurements of North Atlantic black carbon equivalent concentrations at the Pico Mountain Observatory, Azores. Atmos. Chem. Phys. Diss.  In preparation.

Zhang B., Owen R.C., Perlinger J.A., Kumar A., Wu S., Val Martin M., Kramer L., Helmig D., and Honrath R.E. (2014) A semi-Lagrangian view of ozone production tendency in North American outflow in summers 2009 and 2010. Atmos. Chem. Phys., 14, 2267-2287.

Dzepina K., Roberts J.M., Mazzoleni L.R., Dziobak M.P., Owen R.C., Val Martin M., Kramer L., Fischer E.V., Fialho P., Hueber J., Helmig D., Mazzoleni C., and Honrath R.E. (2014) Observations of Peroxyacetic Nitric Anhydride (PAN) and Peroxypropionic Nitric Anhydride (PPN) at the Pico Mountain Observatory during Spring and Summer of 2008 and 2009.  Atmos. Chem. Phys. Diss.  In preparation.

Fischer E.V., Jacob D.J., Yantosca R.M., Sulprizio M.P., Millet D.B., Mao J., Paulot F., Singh H.B., Roiger A., Ries L., Talbot R.W., Dzepina K., and Pandey Deolal S. (2014) Atmospheric peroxyacetyl nitrate (PAN): A global budget and source attribution.  Atmos. Chem. Phys. 14, 2679-2698 ; DOI: 10.5194/acp1426792014.

Kumar A., Wu S., Weise M.F., Honrath R.E., Owen R.C., Helmig D., Kramer L., Val Martin M., and Li Q. (2013) Free troposphere ozone and carbon monoxide over the North Atlantic for 2001-2011. Atmos. Chem. Phys. 13, 12537-12547.

Parrington M., Palmer P.I., Henze D.K., Tarasick D.W., Hyer E.J., Owen R.C., Helmig D., Clerbaux C., Bowman K.W., Deeter M.N., Barratt E.M., Coheur P.-F., Hurtmans D., Jiang Z., George M., and Worden J.R. (2012) The influence of boreal biomass burning emissions on the distribution of tropospheric ozone over North America and the North Atlantic during 2010. Atmos. Chem. Phys., 12, 2077-2098, 2012.

Freitas M.C., Pacheco A.M.G., Dionsio I., and Vieira B.J. (2009) Aerosol concentrations and remote sources of airborne elements over Pico mountain, Azores, Portugal. In: Atmospheric and Biological Environmental Monitoring (Y.J. Kim, U. Platt, M.B. Gu, H. Iwahashi, Eds.; ISBN: 978-1-4020-9673-0; DOI: 10.1007/978-1-4020-9674-7), Springer, Dordrecht, The Netherlands: 137-157.

Helmig D., Tanner D.M., Honrath R.E., Owen R.C., and Parrish D.D. (2008) Nonmethane hydrocarbons at Pico Mountain, Azores: 1. Oxidation chemistry in the North Atlantic region. J. Geophys. Res. 113. DOI: 10.1029/2007JD008930.

Honrath R.E., Helmig D., Owen R.C., Parrish D.D., and Tanner D.M.  (2008) Nonmethane hydrocarbons at Pico Mountain, Azores: 2. Event-specific analyses of the impacts of mixing and photochemistry on hydrocarbon ratios. J. Geophys. Res. 113. DOI: 10.1029/2008JD009832.

Lapina K., Honrath R.E., Owen R.C., Val Martin M., Hyer E.J., and Fialho P. (2008) Late summer changes in burning conditions in the boreal regions and their implications for NOx and CO emissions from boreal fires, J. Geophys.Res. 113, DOI: 10.1029/2007JD009421.

Val Martin M., Honrath R.E., Owen R.C., and Lapina K.  (2008a) Large-scale impacts of anthropogenic pollution and boreal wildfires on the nitrogen oxides over the central North Atlantic region. J.Geophys. Res.113, DOI: 10.1029/2007JD009689.

Val Martin M., Honrath R.E., R.C. Owen, and Q.B. Li (2008b) Seasonal variation of nitrogen oxides in the central North Atlantic lower free troposphere. J.Geophys. Res. 113. DOI: 10.1029/2007JD009688.

Freitas M.D.C., Dionisloa I., Fialho P., and Barata F. (2007) Aerosol chemical elemental mass concentration at lower free troposphere, Nuclear Instr. Meth. Phys. Res. A, 579, 507-509.

Kleissl, J., Honrath R.E., Dziobak M.P., Tanner D., Val Martin M., Owen R.C., and Helmig D. (2007) Occurrence of upslope flows at the Pico mountaintop observatory: A case study of orographic flows on a small, volcanic island. Journal of Geophysical Research-Atmospheres, 112. DOI: 10.1029/2006JD007565.

Fialho P., Freitas M.C., Barata F., Vieira B., Hansen A.D.A., and Honrath R.E. (2006) The Aethalometer calibration and determination of iron concentration in dust aerosols. J. Aerosol Sci. 37, 1497-1506.

Lapina K., Honrath R.E., Owen R.C., Val Martin M., and Pfister G. (2006) Evidence of significant large-scale impacts of boreal fires on ozone levels in the midlatitude Northern Hemisphere free troposphere. Geophys. Res. Lett. 33, DOI: 10.1029/2006GL025878.

Owen R.C., Cooper O.R., Stohl A., and Honrath R.E. (2006) An analysis of the mechanisms of North American pollutant transport to the central North Atlantic lower free troposphere. J. Geophys.Res. 111, DOI: 10.1029/2006JD007062.

Pfister G.G., Emmons L.K., Hess P.G., Honrath R.E., Lamarque J.-F. , Martin M.V., Owen R.C., Avery M.A., Browell E.V., Holloway J.S., Nedelec P., Purvis R., Ryerson T.B., Sachse G.W., and Schlager H.H. (2006) Ozone production from the 2004 North American boreal fires. J. Geophys.Res. 111 DOI: 10.1029/2006JD007695.

Tanner D., Helmig D., Hueber J., and Goldan P. (2006) Gas chromatography system for the automated, unattended, and cryogen-free monitoring of C2 to C6 non-methane hydrocarbons in the remote troposphere. J. Chrom. A, 1111, 76-88.

Val Martin M., Honrath R.E., Owen R.C., Pfister G., Fialho P., and Barata F. (2006) Significant enhancements of nitrogen oxides, black carbon, and ozone in the North Atlantic lower free troposphere resulting from North American boreal wildfires. J. Geophys. Res. 111, DOI: 10.1029/2006JD007530.

Fialho P., Hansen A.D.A., and Honrath R.E.  (2005) Absorption coefficients by aerosols in remote areas: a new approach to decouple dust and black carbon absorption coefficients using seven-wavelength Aethalometer data. J. Aerosol Sci. 36, 267-282.

Honrath, R. E., Owen R. C., Val Martin M., Reid J. S., Lapina K., Fialho P., Dziobak M.P., Kleissl J., and Westphal D.L. (2004) Regional and hemispheric impacts of anthropogenic and biomass burning emissions on summertime CO and O3 in the North Atlantic lower free troposphere. J. Geophys. Res. 109, DOI: 10.1029/2004JD005147.

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