NDLI: Characterization of Stratospheric Smoke Particles over the Antarctica by Remote Sensing Instruments

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Characterization of Stratospheric Smoke Particles over the Antarctica by Remote Sensing Instruments

Content Provider	MDPI
Author	Ramiro, González Roberto, Román Edith, Rodríguez D’Elia, Raúl Juan, Antuña-Sánchez Toledano, Carlos Mateos, David Asmi, Eija Lau, Ian Ferrara, Jonathan Cachorro, Victoria Calle, Abel Frutos, Ángel De
Copyright Year	2020
Description	Australian smoke from the extraordinary biomass burning in December 2019 was observed over Marambio, Antarctica from the 7th to the 10th January, 2020. The smoke plume was transported thousands of kilometers over the Pacific Ocean, and reached the Antarctic Peninsula at a hight of 13 km, as determined by satellite lidar observations. The proposed origin and trajectory of the aerosol are supported by back-trajectory model analyses. Ground-based Sun–Sky–Moon photometer belonging to the Aerosol Robotic Network (AERONET) measured aerosol optical depth (500 nm wavelength) above 0.3, which is unprecedented for the site. Inversion of sky radiances provide the optical and microphysical properties of the smoke over Marambio. The AERONET data near the fire origin in Tumbarumba, Australia, was used to investigate the changes in the measured aerosol properties after transport and ageing. The analysis shows an increase in the fine mode particle radius and a reduction in absorption (increase in the single scattering albedo). The available long-term AOD data series at Marambio suggests that smoke particles could have remained over Antarctica for several weeks after the analyzed event.
Starting Page	3769
e-ISSN	20724292
DOI	10.3390/rs12223769
Journal	Remote Sensing
Issue Number	22
Volume Number	12
Language	English
Publisher	MDPI
Publisher Date	2020-11-17
Access Restriction	Open
Subject Keyword	Remote Sensing Atmospheric Sciences Antarctica Aerosol Optical Properties Biomass Burning Australian Fires Smoke Ageing
Content Type	Text
Resource Type	Article

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