LocAl and long-Range transported Aerosols types,
composition and properties (LARA)
PN-III-P1-1.1-TE-2019-0340, ctr. TE 71/2020
Implementation period: September 2020-August
2022
Objective: To assess the aerosols properties
and to quantify their possible sources using a combination of
remote sensing and in-situ measurements
The project aims to identify the sources of aerosols in Romania
and to characterize them from chemical and optical point of view.
This assessment will improve the understanding of atmospheric
particles behaviours, including their vertical distribution and
will increase the knowledge and data availability regarding
aerosols properties and sources in Eastern Europe, mainly the
submicronic fraction. Evaluation and quantification of aerosols
characteristics are very challenging due to complexity of the
particles, generation processes and multiple transformations
encountered during air masses transport. In Romania only sparse
information is available for the aerosols properties, their
chemical components and sources, which are extremely important to
evaluate the air quality level and assess essential characteristics
influencing climate-relevant parameters.
A multi-instrument approach is necessary in order to fully
characterize the aerosols, to evaluate the vertical distribution,
the size, shape, concentrations and internal components. During
this project complex and state of the art instruments (aerosol
chemical speciation monitor, multiwavelength depolarization lidar,
aethalometer, nephelometer, etc) from the Remote Sensing department
of INOE will be used in synergy to overcome the lack of
understanding of the local aerosols properties. A combination of
active remote sensing (lidar) and in situ (mass spectrometry) data
will enable the characterization of aerosol dynamics and the
quantification of aerosols contribution from long-range transport
to the total aerosol loading. Also, the pollutants influence on air
quality and climate-related properties (biomass burning, dust,
continental polluted, industrial local or long-range transported
aerosols) will be addressed during this project, including particle
loadings, composition, and sources.
Estimated results:
- Report on in situ - Lidar database;
- Report on intensive campaigns;
- One methodology for combined data analyses;
- Report on organic aerosols variability;
- 2 papers submitted to ISI Journals;
- Communication of the results.
Results:
- 2 papers submitted to ISI Journals;
-
- Multifractal cross-correlation of atmospheric pollutants and
temperature in different environments, Cristina Marin, Cristina
Stan, Constantin P. Cristescu, U.P.B. Sci. Bull., Series A, Vol.
83, Iss. 2, 2021
- European aerosol phenomenology − 8: Harmonised source
apportionment of organic aerosol using 22 Year-long ACSM/AMS
datasets, Gang Chen ........., Cristina Marin, Luminita Marmureanu,
Jeni Vasilescu et al., Environment International, Volume 166, 2022,
107325, ISSN 0160-4120, https://doi.org/10.1016/j.envint.2022.107325
- Rolling vs. Seasonal PMF: Real-world multi-site and synthetic
dataset comparison, Via, M., Chen, G., Canonaco, F., Daellenbach,
K. R., Chazeau, B., Chebaicheb, H., Jiang, J., Keernik, H., Lin,
C., Marchand, N., Marin, C., O'Dowd, C., Ovadnevaite, J., Petit,
J.-E., Pikridas, M., Riffault, V., Sciare, J., Slowik, J. G.,
Simon, L., Vasilescu, J., Zhang, Y., Favez, O., Prévôt, A. S. H.,
Alastuey, A., and Minguillón, M. C.:, EGUsphere [preprint],
2022, https://doi.org/10.5194/egusphere-2022-269
- Aerosol type assessment using remote sensing and in situ
techniques, J. Vasilescu, L. Belegante, V. Nicolae, R. Pirloaga, C.
Marin, L. Marmureanu, B. Antonescu, D. Nicolae., abstract extins
ACTRIS Science Conference, pg. 2016-2018, http://www.faar.fi/wp-content/uploads/2022/04/RS250_AbstractBook_ACTRIS_SC_2022.pdf
- Communication of the results.
- European Aerosol Conference 2021, Mixing state and variability
of NR-PM1 aerosols over a South East Europe site, Jeni Vasilescu,
Cristina Antonia Marin, Luminita Marmureanu, Simona
Andrei, https://www.conftool.com/eac2021/index.php?page=browseSessions&form_session=129#paperID540
- ATMOS-2021, Comparative Study of TROPOMI/ALH Product Over
Europe Using EARLINET Data Base and NATALI Software, Anca Nemuc,
Alexandru Dandocsi, Doina Nicolae, Iwona S. Stachlewska, Victor
Nicolae, Jeni Vasilescu, Alexandru Ilie, Livio Belegante, Cristian
Radu, https://atmos2021.esa.int/iframe-agenda/files/Contribution_254_final_poster.pdf
- ACTRIS Science Conference 2022, Aerosol type assessment using
remote sensing and in situ techniques, Jeni Vasilescu,
Livio Belegante, Victor Nicolae, Razvan Pirloaga, Cristina Marin,
Luminita Marmureanu, Bogdan Antonescu, Doina Nicolae, https://intranet.actris.eu/index.php/s/YN4jHyWWzdD5py8
- International Aerosol Conference 2022, Air pollution and the
impact of temperature inversions in Bucharest, Romania,Cristina
Marin, Luminita Marmureanu, Bogdan Antonescu,Jeni
Vasilescu https://iac2022.gr/program/
- International Aerosol Conference 2022, Long-range aerosol
transport influence at ground level, Jeni Vasilescu, Livio
Belegante, Razvan Pirloaga, Victor Nicolae, Cristina Marin,
Luminita Marmureanu https://pcoconvin.eventsair.com/QuickEventWebsitePortal/iac2022/program/Speaker
Summary:
Aerosol sources at Bucharest, Romania have been identified and
analysed using the almost continuous data from an Aerosol Chemical
Speciation Monitor during 2020-2022, along with additional in situ
data. Four factor solution have been identified: two primary
organic aerosols (related with traffic and wood burning) and two
secondary oxygenated organic aerosols. Aerosols type on vertical
profiles have been derived from the multiwavelength Raman lidar
data. The summer periods have been characterised by a high
percentage of Continental and Smoke types of aerosols in the lofted
layers, while at the ground base the oxygenated organic aerosols
are predominant in the Bucharest region.