Validation of LIRIC aerosol concentration retrievals using airborne measurements during a biomass burning episode over Athens
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- 作者：Panagiotis Kokkalisa ; panko@noa.gr" class="auth_mail" title="E-mail the corresponding author ; ; Vassilis Amiridisa ; James D. Allanb ; c ; Alexandros Papayannisd ; Stavros Solomosa ; Ioannis Binietogloua ; l ; Aikaterini Bougiatiotie ; d ; f ; Alexandra Tsekeria ; Athanasios Nenese ; g ; h ; i ; Philip D. Rosenbergj ; Franco Marencok ; Eleni Marinoua ; m ; Jeni Vasilescul ; Doina Nicolael ; Hugh Coeb ; Asan Bacakb ; Anatoli Chaikovskyn
- 关键词：Lidar ; Inversion ; Airborne measurements
- 刊名：Atmospheric Research
- 出版年：2017
- 出版时间：1 January 2017
- 年：2017
- 卷：183
- 期：Complete
- 页码：255-267
- 全文大小：2310 K
文摘
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Validation of LIRIC algorithm for estimating fine mode particles concentration, using airborne chemical composition dataset.
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Case study of smoke layer over Athens-Greece (September 2011). Retrievals regarding aerosol optical and chemical properties.
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High AOD (0.82 at 340 nm) and Ångström exponent values (~ 1.8) have been observed in the atmospheric column with AERONET.
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In the height range of 2-4 km, fine mode particle fraction found to consist of sulphates (57.6%) and organic carbon (31.6%).
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Correlation coefficient between airborne in-situ and LIRIC values found to be 0.853 reaching even the 0.968.
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An overall good performance of LIRIC has been revealed for fine mode particles, with higher discrepancies observed below 2 km.