Tropospheric Vertical Profiles of Aerosol Optical, Microphysical and Concentration Properties in the Frame of the Hygra-CD Campaign (Athens, Greece 2014): A Case Study of Long-Range Transport of Mixed Aerosols

Alexandros Papayannis; Athina Argyrouli; Detlef Muller; Georgios Tsaknakis; Panayotis Kokkalis; Ioannis Binietoglou; Stelios Kazadzis; Stavros Solomos; Vassilis Amiridis

doi:10.1051/epjconf/201611923016

Tropospheric Vertical Profiles of Aerosol Optical, Microphysical and Concentration Properties in the Frame of the Hygra-CD Campaign (Athens, Greece 2014): A Case Study of Long-Range Transport of Mixed Aerosols

Alexandros Papayannis, Athina Argyrouli, Detlef Muller, Georgios Tsaknakis, Panayotis Kokkalis, Ioannis Binietoglou, Stelios Kazadzis, Stavros Solomos, Vassilis Amiridis

Research output: Contribution to journal › Conference article › peer-review

Abstract

Combined multi-wavelength aerosol Raman lidar and sun photometry measurements were performed during the HYGRA-CD campaign over Athens, Greece during May-June 2014. The retrieved aerosol optical properties (3 aerosol backscatter at 355-532-1064 nm and 2 aerosol extinction profiles at 355-532 nm) were used as input to an inversion code to retrieve the aerosol microphysical properties (effective radius r_eff and number concentration N) using regularization techniques. Additionally, the volume concentration profile was derived for fine particles using the LIRIC code. In this paper we selected a complex case study of long-range transport of mixed aerosols (biomass burning particles mixed with dust) arriving over Athens between 10-12 June 2014 in the 1.5-4 km height. Between 2-3 km height we measured mean lidar ratios (LR) ranging from 45 to 58 sr (at 355 and 532 nm), while the Ångstrom exponent (AE) aerosol extinction-related values (355nm/532nm) ranged between 0.8-1.3. The retrieved values of r_eff and N ranged from 0.19±0.07 to 0.22±0.07 μm and 460±230 to 2200±2800 cm^-3, respectively. The aerosol linear depolarization ratio (δ) at 532 nm was lower than 5-7% (except for the Saharan dust cases, where δ~10-15%).

Original language	English
Article number	23016
Journal	EPJ Web of Conferences
Volume	119
DOIs	https://doi.org/10.1051/epjconf/201611923016
Publication status	Published - 7 Jun 2016
Event	27th International Laser Radar Conference, ILRC 2015 - The City College of New York, New York, United States Duration: 5 Jul 2015 → 10 Jul 2015 Conference number: 27 https://www1.cuny.edu/mu/forum/2015/07/01/city-college-hosts-international-laser-radar-conference-july-5-10/

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Papayannis, A., Argyrouli, A., Muller, D., Tsaknakis, G., Kokkalis, P., Binietoglou, I., Kazadzis, S., Solomos, S., & Amiridis, V. (2016). Tropospheric Vertical Profiles of Aerosol Optical, Microphysical and Concentration Properties in the Frame of the Hygra-CD Campaign (Athens, Greece 2014): A Case Study of Long-Range Transport of Mixed Aerosols. EPJ Web of Conferences, 119, Article 23016. https://doi.org/10.1051/epjconf/201611923016

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title = "Tropospheric Vertical Profiles of Aerosol Optical, Microphysical and Concentration Properties in the Frame of the Hygra-CD Campaign (Athens, Greece 2014): A Case Study of Long-Range Transport of Mixed Aerosols",

abstract = "Combined multi-wavelength aerosol Raman lidar and sun photometry measurements were performed during the HYGRA-CD campaign over Athens, Greece during May-June 2014. The retrieved aerosol optical properties (3 aerosol backscatter at 355-532-1064 nm and 2 aerosol extinction profiles at 355-532 nm) were used as input to an inversion code to retrieve the aerosol microphysical properties (effective radius reff and number concentration N) using regularization techniques. Additionally, the volume concentration profile was derived for fine particles using the LIRIC code. In this paper we selected a complex case study of long-range transport of mixed aerosols (biomass burning particles mixed with dust) arriving over Athens between 10-12 June 2014 in the 1.5-4 km height. Between 2-3 km height we measured mean lidar ratios (LR) ranging from 45 to 58 sr (at 355 and 532 nm), while the {\AA}ngstrom exponent (AE) aerosol extinction-related values (355nm/532nm) ranged between 0.8-1.3. The retrieved values of reff and N ranged from 0.19±0.07 to 0.22±0.07 μm and 460±230 to 2200±2800 cm-3, respectively. The aerosol linear depolarization ratio (δ) at 532 nm was lower than 5-7% (except for the Saharan dust cases, where δ~10-15%).",

author = "Alexandros Papayannis and Athina Argyrouli and Detlef Muller and Georgios Tsaknakis and Panayotis Kokkalis and Ioannis Binietoglou and Stelios Kazadzis and Stavros Solomos and Vassilis Amiridis",

note = "Publisher Copyright: {\textcopyright} 2016 Owned by the authors, published by EDP Sciences.; 27th International Laser Radar Conference, ILRC 2015, ILRC 27 ; Conference date: 05-07-2015 Through 10-07-2015",

year = "2016",

month = jun,

day = "7",

doi = "10.1051/epjconf/201611923016",

language = "English",

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journal = "EPJ Web of Conferences",

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Papayannis, A, Argyrouli, A, Muller, D, Tsaknakis, G, Kokkalis, P, Binietoglou, I, Kazadzis, S, Solomos, S & Amiridis, V 2016, 'Tropospheric Vertical Profiles of Aerosol Optical, Microphysical and Concentration Properties in the Frame of the Hygra-CD Campaign (Athens, Greece 2014): A Case Study of Long-Range Transport of Mixed Aerosols', EPJ Web of Conferences, vol. 119, 23016. https://doi.org/10.1051/epjconf/201611923016

Tropospheric Vertical Profiles of Aerosol Optical, Microphysical and Concentration Properties in the Frame of the Hygra-CD Campaign (Athens, Greece 2014): A Case Study of Long-Range Transport of Mixed Aerosols. / Papayannis, Alexandros; Argyrouli, Athina; Muller, Detlef et al.
In: EPJ Web of Conferences, Vol. 119, 23016, 07.06.2016.

Research output: Contribution to journal › Conference article › peer-review

TY - JOUR

T1 - Tropospheric Vertical Profiles of Aerosol Optical, Microphysical and Concentration Properties in the Frame of the Hygra-CD Campaign (Athens, Greece 2014)

T2 - 27th International Laser Radar Conference, ILRC 2015

AU - Papayannis, Alexandros

AU - Argyrouli, Athina

AU - Muller, Detlef

AU - Tsaknakis, Georgios

AU - Kokkalis, Panayotis

AU - Binietoglou, Ioannis

AU - Kazadzis, Stelios

AU - Solomos, Stavros

AU - Amiridis, Vassilis

N1 - Conference code: 27

PY - 2016/6/7

Y1 - 2016/6/7

N2 - Combined multi-wavelength aerosol Raman lidar and sun photometry measurements were performed during the HYGRA-CD campaign over Athens, Greece during May-June 2014. The retrieved aerosol optical properties (3 aerosol backscatter at 355-532-1064 nm and 2 aerosol extinction profiles at 355-532 nm) were used as input to an inversion code to retrieve the aerosol microphysical properties (effective radius reff and number concentration N) using regularization techniques. Additionally, the volume concentration profile was derived for fine particles using the LIRIC code. In this paper we selected a complex case study of long-range transport of mixed aerosols (biomass burning particles mixed with dust) arriving over Athens between 10-12 June 2014 in the 1.5-4 km height. Between 2-3 km height we measured mean lidar ratios (LR) ranging from 45 to 58 sr (at 355 and 532 nm), while the Ångstrom exponent (AE) aerosol extinction-related values (355nm/532nm) ranged between 0.8-1.3. The retrieved values of reff and N ranged from 0.19±0.07 to 0.22±0.07 μm and 460±230 to 2200±2800 cm-3, respectively. The aerosol linear depolarization ratio (δ) at 532 nm was lower than 5-7% (except for the Saharan dust cases, where δ~10-15%).

AB - Combined multi-wavelength aerosol Raman lidar and sun photometry measurements were performed during the HYGRA-CD campaign over Athens, Greece during May-June 2014. The retrieved aerosol optical properties (3 aerosol backscatter at 355-532-1064 nm and 2 aerosol extinction profiles at 355-532 nm) were used as input to an inversion code to retrieve the aerosol microphysical properties (effective radius reff and number concentration N) using regularization techniques. Additionally, the volume concentration profile was derived for fine particles using the LIRIC code. In this paper we selected a complex case study of long-range transport of mixed aerosols (biomass burning particles mixed with dust) arriving over Athens between 10-12 June 2014 in the 1.5-4 km height. Between 2-3 km height we measured mean lidar ratios (LR) ranging from 45 to 58 sr (at 355 and 532 nm), while the Ångstrom exponent (AE) aerosol extinction-related values (355nm/532nm) ranged between 0.8-1.3. The retrieved values of reff and N ranged from 0.19±0.07 to 0.22±0.07 μm and 460±230 to 2200±2800 cm-3, respectively. The aerosol linear depolarization ratio (δ) at 532 nm was lower than 5-7% (except for the Saharan dust cases, where δ~10-15%).

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U2 - 10.1051/epjconf/201611923016

DO - 10.1051/epjconf/201611923016

M3 - Conference article

AN - SCOPUS:84976337401

SN - 2101-6275

VL - 119

JO - EPJ Web of Conferences

JF - EPJ Web of Conferences

M1 - 23016

Y2 - 5 July 2015 through 10 July 2015

ER -

Papayannis A, Argyrouli A, Muller D, Tsaknakis G, Kokkalis P, Binietoglou I et al. Tropospheric Vertical Profiles of Aerosol Optical, Microphysical and Concentration Properties in the Frame of the Hygra-CD Campaign (Athens, Greece 2014): A Case Study of Long-Range Transport of Mixed Aerosols. EPJ Web of Conferences. 2016 Jun 7;119:23016. doi: 10.1051/epjconf/201611923016

Tropospheric Vertical Profiles of Aerosol Optical, Microphysical and Concentration Properties in the Frame of the Hygra-CD Campaign (Athens, Greece 2014): A Case Study of Long-Range Transport of Mixed Aerosols

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