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Akademický článek

Investigating the contribution of grown new particles to cloud condensation nuclei with largely varying preexisting particles – Part 1: Observational data analysis

Autor: X. Wei, Y. Shen, X.-Y. Yu, Y. Gao, H. Gao, M. Chu, Y. Zhu, X. Yao

Publikováno v: Atmospheric Chemistry and Physics, Vol 23, Pp 15325-15350 (2023)

This study employed multiple techniques to investigate the contribution of grown new particles to the number concentration of cloud condensation nuclei (CCN) at various supersaturation (SS) levels at a rural mountain site in the North China Plain fro

Externí odkaz: https://doaj.org/article/de1d621b7fa141bcbd09f90428abd8ad

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Akademický článek

Aerosol mixing state, hygroscopic growth and cloud activation efficiency during MIRAGE 2006

Autor: S. Lance, T. Raatikainen, T. B. Onasch, D. R. Worsnop, X.-Y. Yu, M. L. Alexander, M. R. Stolzenburg, P. H. McMurry, J. N. Smith, A. Nenes

Publikováno v: Atmospheric Chemistry and Physics, Vol 13, Iss 9, Pp 5049-5062 (2013)

Observations of aerosol hygroscopic growth and CCN activation spectra for submicron particles are reported for the T1 ground site outside of Mexico City during the MIRAGE 2006 campaign. κ-Köhler theory is used to evaluate the characteristic hygrosc

Externí odkaz: https://doaj.org/article/d029510835d5471f8e0a91d75d21ff49

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Akademický článek

Overview of the 2010 Carbonaceous Aerosols and Radiative Effects Study (CARES)

Autor: R. A. Zaveri, W. J. Shaw, D. J. Cziczo, B. Schmid, R. A. Ferrare, M. L. Alexander, M. Alexandrov, R. J. Alvarez, W. P. Arnott, D. B. Atkinson, S. Baidar, R. M. Banta, J. C. Barnard, J. Beranek, L. K. Berg, F. Brechtel, W. A. Brewer, J. F. Cahill, B. Cairns, C. D. Cappa, D. Chand, S. China, J. M. Comstock, M. K. Dubey, R. C. Easter, M. H. Erickson, J. D. Fast, C. Floerchinger, B. A. Flowers, E. Fortner, J. S. Gaffney, M. K. Gilles, K. Gorkowski, W. I. Gustafson, M. Gyawali, J. Hair, R. M. Hardesty, J. W. Harworth, S. Herndon, N. Hiranuma, C. Hostetler, J. M. Hubbe, J. T. Jayne, H. Jeong, B. T. Jobson, E. I. Kassianov, L. I. Kleinman, C. Kluzek, B. Knighton, K. R. Kolesar, C. Kuang, A. Kubátová, A. O. Langford, A. Laskin, N. Laulainen, R. D. Marchbanks, C. Mazzoleni, F. Mei, R. C. Moffet, D. Nelson, M. D. Obland, H. Oetjen, T. B. Onasch, I. Ortega, M. Ottaviani, M. Pekour, K. A. Prather, J. G. Radney, R. R. Rogers, S. P. Sandberg, A. Sedlacek, C. J. Senff, G. Senum, A. Setyan, J. E. Shilling, M. Shrivastava, C. Song, S. R. Springston, R. Subramanian, K. Suski, J. Tomlinson, R. Volkamer, H. W. Wallace, J. Wang, A. M. Weickmann, D. R. Worsnop, X.-Y. Yu, A. Zelenyuk, Q. Zhang

Publikováno v: Atmospheric Chemistry and Physics, Vol 12, Iss 16, Pp 7647-7687 (2012)

Substantial uncertainties still exist in the scientific understanding of the possible interactions between urban and natural (biogenic) emissions in the production and transformation of atmospheric aerosol and the resulting impact on climate change.

Externí odkaz: https://doaj.org/article/ca28072139e8430eae01b07ef8ee6645

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Akademický článek

Fast time-resolved aerosol collector: proof of concept

Autor: X.-Y. Yu, J. P. Cowin, M. J. Iedema, H. Ali

Publikováno v: Atmospheric Measurement Techniques, Vol 3, Iss 5, Pp 1377-1384 (2010)

Atmospheric particles can be collected in the field on substrates for subsequent laboratory analysis via chemically sensitive single particle methods such as scanning electron microscopy with energy dispersive x-ray analysis. With moving substrates t

Externí odkaz: https://doaj.org/article/d74a65406bde4470a56bb2d12126bccb

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Akademický článek

Single particle characterization using a light scattering module coupled to a time-of-flight aerosol mass spectrometer

Autor: E. S. Cross, T. B. Onasch, M. Canagaratna, J. T. Jayne, J. Kimmel, X.-Y. Yu, M. L. Alexander, D. R. Worsnop, P. Davidovits

Publikováno v: Atmospheric Chemistry and Physics, Vol 9, Iss 20, Pp 7769-7793 (2009)

We present the first single particle results obtained with an Aerodyne time-of-flight aerosol mass spectrometer coupled with a light scattering module (LS-ToF-AMS). The instrument was deployed at the T1 ground site approximately 40 km northeast of th

Externí odkaz: https://doaj.org/article/b3a27a42776f4e9884fc7e46ae855240

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Akademický článek

Primary and secondary organic carbon downwind of Mexico City

Autor: X.-Y. Yu, R. A. Cary, N. S. Laulainen

Publikováno v: Atmospheric Chemistry and Physics, Vol 9, Iss 18, Pp 6793-6814 (2009)

In order to study particulate matter transport and transformation in the Megacity environment, fine particulate carbon was measured simultaneously at two supersites, suburban T1 and rural T2, downwind of Mexico City during the MILAGRO field campaign

Externí odkaz: https://doaj.org/article/7b598d27c5004c529d96edee3f6e089b

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Akademický článek

Evaluating simulated primary anthropogenic and biomass burning organic aerosols during MILAGRO: implications for assessing treatments of secondary organic aerosols

Publikováno v: Atmospheric Chemistry and Physics, Vol 9, Iss 16, Pp 6191-6215 (2009)

Simulated primary organic aerosols (POA), as well as other particulates and trace gases, in the vicinity of Mexico City are evaluated using measurements collected during the 2006 Megacity Initiative: Local and Global Research Observations (MILAGRO) f

Externí odkaz: https://doaj.org/article/ba823cff12d144c0a50deff9aa31fa2b

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Akademický článek

The T1-T2 study: evolution of aerosol properties downwind of Mexico City

Autor: J. C. Doran, J. C. Barnard, W. P. Arnott, R. Cary, R. Coulter, J. D. Fast, E. I. Kassianov, L. Kleinman, N. S. Laulainen, T. Martin, G. Paredes-Miranda, M. S. Pekour, W. J. Shaw, D. F. Smith, S. R. Springston, X.-Y. Yu

Publikováno v: Atmospheric Chemistry and Physics, Vol 7, Iss 6, Pp 1585-1598 (2007)

As part of a major atmospheric chemistry and aerosol field program carried out in March 2006, a study was conducted in the area to the north and northeast of Mexico City to investigate the evolution of aerosols and their associated optical properties

Externí odkaz: https://doaj.org/article/f19f2078ee8c4c5e8d01768ecba0cf05

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