Search Results - "O'NEILL, N. T"

Climatological aspects of the optical properties of fine/coarse mode aerosol mixtures by Eck, T. F., Holben, B. N., Sinyuk, A., Pinker, R. T., Goloub, P., Chen, H., Chatenet, B., Li, Z., Singh, R. P., Tripathi, S. N., Reid, J. S., Giles, D. M., Dubovik, O., O'Neill, N. T., Smirnov, A., Wang, P., Xia, X.

“…Aerosol mixtures composed of coarse mode desert dust combined with fine mode combustion generated aerosols (from fossil fuel and biomass burning sources) were…”
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Spectral discrimination of coarse and fine mode optical depth by O'Neill, N. T., Eck, T. F., Smirnov, A., Holben, B. N., Thulasiraman, S.

“…The recognition that the aerosol particle size distribution (PSD) is effectively bimodal permits the extraction of the fine and coarse mode optical depths (τf…”
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Wavelength dependence of the optical depth of biomass burning, urban, and desert dust aerosols by Eck, T. F., Holben, B. N., Reid, J. S., Dubovik, O., Smirnov, A., O'Neill, N. T., Slutsker, I., Kinne, S.

“…The Angstrom wavelength exponent α, which is the slope of the logarithm of aerosol optical depth (τa) versus the logarithm of wavelength (λ), is commonly used…”
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An emerging ground-based aerosol climatology: Aerosol optical depth from AERONET by Holben, B. N., Tanré, D., Smirnov, A., Eck, T. F., Slutsker, I., Abuhassan, N., Newcomb, W. W., Schafer, J. S., Chatenet, B., Lavenu, F., Kaufman, Y. J., Castle, J. Vande, Setzer, A., Markham, B., Clark, D., Frouin, R., Halthore, R., Karneli, A., O'Neill, N. T., Pietras, C., Pinker, R. T., Voss, K., Zibordi, G.

“…Long‐term measurements by the AERONET program of spectral aerosol optical depth, precipitable water, and derived Angstrom exponent were analyzed and compiled…”
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Optical properties of boreal region biomass burning aerosols in central Alaska and seasonal variation of aerosol optical depth at an Arctic coastal site by Eck, T. F., Holben, B. N., Reid, J. S., Sinyuk, A., Hyer, E. J., O'Neill, N. T., Shaw, G. E., Vande Castle, J. R., Chapin, F. S., Dubovik, O., Smirnov, A., Vermote, E., Schafer, J. S., Giles, D., Slutsker, I., Sorokine, M., Newcomb, W. W.

“…Long‐term monitoring of aerosol optical properties at a boreal forest AERONET site in interior Alaska was performed from 1994 through 2008 (excluding winter)…”
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Comment on "Classification of aerosol properties derived from AERONET direct sun data" by Gobbi et al. (2007) by O'Neill, N T

“…It is pointed out that the graphical, aerosol classification method of Gobbi et al. (2007) can be interpreted as a manifestation of fundamental analytical…”
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Spatial and temporal variability of column-integrated aerosol optical properties in the southern Arabian Gulf and United Arab Emirates in summer by Eck, T. F., Holben, B. N., Reid, J. S., Sinyuk, A., Dubovik, O., Smirnov, A., Giles, D., O'Neill, N. T., Tsay, S.‐C., Ji, Q., Al Mandoos, A., Ramzan Khan, M., Reid, E. A., Schafer, J. S., Sorokine, M., Newcomb, W., Slutsker, I.

“…A mesoscale network of 14 AERONET Sun photometers was established in the UAE and adjacent Arabian Gulf from August through September 2004 as a component of the…”
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The lognormal distribution as a reference for reporting aerosol optical depth statistics; Empirical tests using multi-year, multi-site AERONET Sunphotometer data by N. T., O'Neill, Ignatov, A., Holben, B. N., Eck, T. F.

“…Aerosol optical depth data representative of various types of aerosols was employed to empirically demonstrate that the lognormal probability distribution is a…”
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Comparison of Moderate Resolution Imaging Spectroradiometer (MODIS) and Aerosol Robotic Network (AERONET) remote-sensing retrievals of aerosol fine mode fraction over ocean by Kleidman, R. G., O'Neill, N. T., Remer, L. A., Kaufman, Y. J., Eck, T. F., Tanré, Didier, Dubovik, Oleg, Holben, B. N.

“…Aerosol particle size is one of the fundamental quantities needed to determine the role of aerosols in forcing climate, modifying the hydrological cycle, and…”
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High aerosol optical depth biomass burning events: A comparison of optical properties for different source regions by Eck, T. F., Holben, B. N., Reid, J. S., O'Neill, N. T., Schafer, J. S., Dubovik, O., Smirnov, A., Yamasoe, M. A., Artaxo, P.

“…The optical properties of aerosols such as smoke from biomass burning vary due to aging processes and these particles reach larger sizes at high…”
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Observations of the Interaction and Transport of Fine Mode Aerosols With Cloud and/or Fog in Northeast Asia From Aerosol Robotic Network and Satellite Remote Sensing by Eck, T. F., Holben, B. N., Reid, J. S., Xian, P., Giles, D. M., Sinyuk, A., Smirnov, A., Schafer, J. S., Slutsker, I., Kim, J., Koo, J.-H., Choi, M., Kim, K. C., Sano, I., Arola, A., Sayer, A. M., Levy, R. C., Munchak, L. A., O’Neill, N. T., Lyapustin, A., Hsu, N. C., Randles, C. A., Silva, A. M. Da, Buchard, V., Govindaraju, R. C., Hyer, E., Crawford, J. H., Wang, P., Xia, X.

“…Analysis of Sun photometer measured and satellite retrieved aerosol optical depth (AOD) datahas shown that major aerosol pollution events with very highfine…”
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Empirical determinations of the longwave and shortwave radiative forcing efficiencies of wildfire smoke by Stone, R. S., Augustine, J. A., Dutton, E. G., O'Neill, N. T., Saha, A.

“…The surface radiation budget (SRB) is modulated by smoke aerosols that attenuate solar and emit thermal infrared radiation. Direct radiative impacts of smoke…”
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Bimodal size distribution influences on the variation of Angstrom derivatives in spectral and optical depth space by O'Neill, N. T., Eck, T. F., Holben, B. N., Smirnov, A., Dubovik, O., Royer, A.

“…The variation of the aerosol optical depth and its first and second spectral derivatives (α and α′) can be largely described in terms of the spectral…”
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Synchronous polar winter starphotometry and lidar measurements at a High Arctic station by Baibakov, K., O'Neill, N. T., Ivanescu, L., Duck, T. J., Perro, C., Herber, A., Schulz, K.-H., Schrems, O.

“…We present recent progress on nighttime retrievals of aerosol and cloud optical properties over the PEARL (Polar Environmental Atmospheric Research Laboratory)…”
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Verification and application of the extended spectral deconvolution algorithm (SDA+) methodology to estimate aerosol fine and coarse mode extinction coefficients in the marine boundary layer by Kaku, K C, Reid, J S, O'Neill, N T, Quinn, P K, Coffman, D J, Eck, T F

“…The spectral deconvolution algorithm (SDA) and SDA+ (extended SDA) methodologies can be employed to separate the fine and coarse mode extinction coefficients…”
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Characterization of the optical properties of biomass burning aerosols in Zambia during the 1997 ZIBBEE field campaign by Eck, T. F., Holben, B. N., Ward, D. E., Dubovik, O., Reid, J. S., Smirnov, A., Mukelabai, M. M., Hsu, N. C., O'Neill, N. T., Slutsker, I.

“…The physical and optical properties of biomass burning aerosols in a savanna region in south central Africa (Zambia) were analyzed from measurements made…”
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Properties of Sarychev sulphate aerosols over the Arctic by O'Neill, N. T., Perro, C., Saha, A., Lesins, G., Duck, T. J., Eloranta, E. W., Nott, G. J., Hoffman, A., Karumudi, M. L., Ritter, C., Bourassa, A., Abboud, I., Carn, S. A., Savastiouk, V.

“…Aerosols from the Sarychev Peak volcano entered the Arctic region less than a week after the strongest SO2eruption on June 15 and 16, 2009 and had, by the…”
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Pan-Arctic sunphotometry during the ARCTAS-A campaign of April 2008 by Saha, A., O'Neill, N. T., Eloranta, E., Stone, R. S., Eck, T. F., Zidane, S., Daou, D., Lupu, A., Lesins, G., Shiobara, M., McArthur, L. J. B.

“…Aerosol optical depth (AOD) measurements were acquired at six Arctic sunphotometer sites during the ARCTAS‐A (April, 2008) campaign. Numerous smoke events were…”
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Selected topics in arctic atmosphere and climate by Perrie, William, Long, Zhenxia, Hung, Hayley, Cole, Amanda, Steffen, Alexandra, Dastoor, Ashu, Durnford, Dorothy, Ma, Jianmin, Bottenheim, Jan W., Netcheva, Stoyka, Staebler, Ralf, Drummond, James R., O’Neill, N. T.

“…This paper summarizes the main elements of four IPY projects that examine the Arctic Atmosphere. All four projects focus on present conditions with a view to…”
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Airborne observation of aerosol optical depth during ARCTAS: vertical profiles, inter-comparison and fine-mode fraction by Shinozuka, Y., Redemann, J., Livingston, J. M., Russell, P. B., Clarke, A. D., Howell, S. G., Freitag, S., O'Neill, N. T., Reid, E. A., Johnson, R., Ramachandran, S., McNaughton, C. S., Kapustin, V. N., Brekhovskikh, V., Holben, B. N., McArthur, L. J. B.

“…We describe aerosol optical depth (AOD) measured during the Arctic Research of the Composition of the Troposphere from Aircraft and Satellites (ARCTAS)…”
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