Search Results - "MARLEY, N. A"

Mexico City aerosol analysis during MILAGRO using high resolution aerosol mass spectrometry at the urban supersite (T0) – Part 1: Fine particle composition and organic source apportionment by Aiken, A. C., Salcedo, D., Cubison, M. J., Huffman, J. A., DeCarlo, P. F., Ulbrich, I. M., Docherty, K. S., Sueper, D., Kimmel, J. R., Worsnop, D. R., Trimborn, A., Northway, M., Stone, E. A., Schauer, J. J., Volkamer, R. M., Fortner, E., de Foy, B., Wang, J., Laskin, A., Shutthanandan, V., Zheng, J., Zhang, R., Gaffney, J., Marley, N. A., Paredes-Miranda, G., Arnott, W. P., Molina, L. T., Sosa, G., Jimenez, J. L.

“…Submicron aerosol was analyzed during the MILAGRO field campaign in March 2006 at the T0 urban supersite in Mexico City with a High-Resolution Time-of-Flight…”
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Evaluation of nitrogen dioxide chemiluminescence monitors in a polluted urban environment by Dunlea, E. J., Herndon, S. C., Nelson, D. D., Volkamer, R. M., San Martini, F., Sheehy, P. M., Zahniser, M. S., Shorter, J. H., Wormhoudt, J. C., Lamb, B. K., Allwine, E. J., Gaffney, J. S., Marley, N. A., Grutter, M., Marquez, C., Blanco, S., Cardenas, B., Retama, A., Ramos Villegas, C. R., Kolb, C. E., Molina, L. T., Molina, M. J.

“…Data from a recent field campaign in Mexico City are used to evaluate the performance of the EPA Federal Reference Method for monitoring the ambient…”
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Optical properties of aged Asian aerosols observed over the U.S. Pacific Northwest by Fischer, E. V., Jaffe, D. A., Marley, N. A., Gaffney, J. S., Marchany-Rivera, A.

“…A suite of gas‐phase and aerosol measurements were made during spring 2008 and spring 2009 at the Mount Bachelor Observatory (2763 masl), located in Oregon…”
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Primary and secondary contributions to aerosol light scattering and absorption in Mexico City during the MILAGRO 2006 campaign by Paredes-Miranda, G., Arnott, W. P., Jimenez, J. L., Aiken, A. C., Gaffney, J. S., Marley, N. A.

“…A photoacoustic spectrometer, a nephelometer, an aethalometer, and an aerosol mass spectrometer were used to measure at ground level real-time aerosol light…”
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Sources and transformations of particle-bound polycyclic aromatic hydrocarbons in Mexico City by Marr, L. C., Dzepina, K., Jimenez, J. L., Reisen, F., Bethel, H. L., Arey, J., Gaffney, J. S., Marley, N. A., Molina, L. T., Molina, M. J.

“…Understanding sources, concentrations, and transformations of polycyclic aromatic hydrocarbons (PAHs) in the atmosphere is important because of their potent…”
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The impact of biogenic carbon sources on aerosol absorption in Mexico City by Marley, N. A., Gaffney, J. S., Tackett, M., Sturchio, N. C., Heraty, L., Martinez, N., Hardy, K. D., Marchany-Rivera, A., Guilderson, T., MacMillan, A., Steelman, K.

“…In order to determine the wavelength dependence of fine (<1 micron) atmospheric aerosol absorption in the Mexico City area, the absorption Ångstrom exponents…”
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Basin-scale wind transport during the MILAGRO field campaign and comparison to climatology using cluster analysis by de Foy, B., Fast, J. D., Paech, S. J., Phillips, D., Walters, J. T., Coulter, R. L., Martin, T. J., Pekour, M. S., Shaw, W. J., Kastendeuch, P. P., Marley, N. A., Retama, A., Molina, L. T.

“…The MILAGRO field campaign was a multi-agency international collaborative project to evaluate the regional impacts of the Mexico City air pollution plume as a…”
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Comparison of measurements of peroxyacyl nitrates and primary carbonaceous aerosol concentrations in Mexico City determined in 1997 and 2003 by Marley, N. A., Gaffney, J. S., Ramos-Villegas, R., Cárdenas González, B.

“…The concentrations of peroxyacetyl nitrate (PAN) in ambient air can be a good indicator of air quality and the effectiveness of control strategies for reducing…”
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Spatial and temporal variability of particulate polycyclic aromatic hydrocarbons in Mexico City by Thornhill, D. A., de Foy, B., Herndon, S. C., Onasch, T. B., Wood, E. C., Zavala, M., Molina, L. T., Gaffney, J. S., Marley, N. A., Marr, L. C.

“…As part of the Megacities Initiative: Local and Global Research Observations (MILAGRO) study in the Mexico City Metropolitan Area in March 2006, we measured…”
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Measurements of aerosol absorption and scattering in the Mexico City Metropolitan Area during the MILAGRO field campaign: a comparison of results from the T0 and T1 sites by Marley, N. A., Gaffney, J. S., Castro, T., Salcido, A., Frederick, J.

“…In March 2006, a multiagency field campaign was undertaken in Mexico City called the Megacities Initiative: Local and Global Research Observations (MILAGRO)…”
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Measurements of peroxyacyl nitrates (PANS) in Mexico City: implications for megacity air quality impacts on regional scales by Gaffney, J.S., Marley, N.A., Cunningham, M.M., Doskey, P.V.

“…Peroxyacyl nitrates (PANs) were measured using gas chromatography with electron capture detection (GC/ECD) in north central Mexico City during February–March…”
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Heterogeneous NOx chemistry in the polluted PBL by KOTAMARTHI, V. R, GAFFNEY, J. S, MARLEY, N. A, DOSKEY, P. V

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Capillary gas chromatographic analysis of nitrogen dioxide and pans with luminol chemiluminescent detection by Gaffney, J.S., Bornick, R.M., Chen, Y.-H., Marley, N.A.

“…Peroxyacyl nitrates (PANs) and nitrogen dioxide are important atmospheric air pollutants in the troposphere. These atmospheric nitrogen species are strongly…”
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Comment on “Environmental Implications on the Oxygenation of Gasoline with Ethanol in the Metropolitan Area of Mexico City” by Gaffney, Jeffrey S, Marley, Nancy A

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A comparison of flame ionization and ozone chemiluminescence for the determination of atmospheric hydrocarbons by Marley, N.A., Gaffney, J.S.

“…A reactive hydrocarbon analyzer has been constructed on the basis of chemiluminescence reaction with ozone. This detector is designed to operate at varying…”
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Particulate Air Pollution in Mexico City: A Collaborative Research Project by Edgerton, S.A., Bian, X., Doran, J.C., Fast, J.D., Hubbe, J.M., Malone, E.L., Shaw, W.J., Whiteman, C.D., Zhong, S., Arriaga, J.L., Ortiz, E., Ruiz, M., Sosa, G., Vega, E., Limon, T., Guzman, F., Archuleta, J., Bossert, J.E., Elliot, S.M., Lee, J.T., McNair, L.A., Chow, J.C., Watson, J.G., Coulter, R.L., Doskey, P.V., Gaffney, J.S., Marley, N.A., Neff, W., Petty, R.

“…PM 10 , PM 25 , precursor gas, and upper-air meteorological measurements were taken in Mexico City, Mexico, from February 23 to March 22, 1997, to understand…”
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An Empirical Method for the Determination of the Complex Refractive Index of Size-Fractionated Atmospheric Aerosols for Radiative Transfer Calculations by Marley, Nancy A., Gaffney, Jeffrey S., Baird, J. Christopher, Blazer, Cherelle A., Drayton, Paul J., Frederick, John E.

“…To adequately assess the effects of atmospheric aerosols on climate, their optical constants (scattering and absorption coefficients) must be known. The…”
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Potential Air Quality Effects of Using Ethanol−Gasoline Fuel Blends:  A Field Study in Albuquerque, New Mexico by Gaffney, Jeffrey S, Marley, Nancy A, Martin, Randal S, Dixon, Roy W, Reyes, Luis G, Popp, Carl J

“…The use of alternate fuels has been proposed as a method of improving urban air quality by reducing combustion- related pollution. One such program mandates…”
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Remote measurement of NO2 in the brown cloud over Albuquerque, New Mexico by FRANZBLAU, E, POPP, C. J, PRESTBO, E. W, MARLEY, N. A, GAFFNEY, J. S

“…Remote measurements of nitrogen dioxide (NO2) were recorded in the 'brown cloud' over Albuquerque, NM, using absorption spectroscopy in the winter of 1987-88…”
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Aircraft Measurements of Nitrogen Dioxide and Peroxyacyl Nitrates Using Luminol Chemiluminescence with Fast Capillary Gas Chromatography by Gaffney, Jeffrey S, Marley, Nancy A, Steele, H. Donnan, Drayton, Paul J, Hubbe, John M

“…Fast capillary gas chromatography with luminol detection has been used to make airborne measurements of nitrogen dioxide (NO2) and peroxyacetyl nitrate (PAN)…”
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