globalchange  > 影响、适应和脆弱性
DOI: 10.1002/2016JD025163
论文题名:
Global detection of absorbing aerosols over the ocean in the red and near-infrared spectral region
作者: Waquet F.; Péré J.-C.; Peers F.; Goloub P.; Ducos F.; Thieuleux F.; Tanré D.
刊名: Journal of Geophysical Research: Atmospheres
出版年: 2016
卷: 121, 期:18
起始页码: 10902
结束页码: 10918
语种: 英语
英文关键词: absorption ; aerosol ; remote-sensing
Scopus关键词: absorption ; aerosol ; albedo ; clear sky ; coastal zone ; near infrared ; photometer ; POLDER ; radiative forcing ; remote sensing ; spatial variation ; spatiotemporal analysis ; spectral analysis ; temporal variation ; Arctic ; Atlantic Ocean ; Pacific Ocean ; Pacific Ocean (North) ; West Africa
英文摘要: The spatial and temporal variability of the aerosol single scattering albedo (SSA at 865 nm) has been estimated over clear-sky ocean for 2006 by using measurements acquired by POLDER (Polarization and Directionality of Earth Reflectances). Our estimates are correlated with Sun photometer retrievals (R = 0.63). Differences in SSA are generally around 0.05 and systematically fall below 0.055 for optical thicknesses ≥0.3 (at 865 nm) and modeling errors ≤3.0%. Fine absorbing aerosols (radius ≤ 0.16 μm) are detected in many coastal regions. The lowest SSAs are retrieved over the southeast Atlantic during summer (0.80), whereas nonabsorbing fine particles (≥0.98) are observed over the North Pacific. During winter, fine absorbing aerosols are detected together with mineral dust near the coasts of western Africa (0.90), over the tropical Atlantic (0.88), and around India (0.88). Long-range transport of absorbing species is also detected, as for instance over the Arctic. This study could help to constrain aerosol absorption and radiative forcing in models. ©2016. American Geophysical Union. All Rights Reserved.
资助项目: "The first author is grateful to CNRS for supporting his research. We are grateful to CNES and the ICARE data and services center for the POLDER/PARASOL data. We are grateful to NASA for the OMI data. Data used in this paper are available upon request from the corresponding author: fabien.waquet@univ-lille1.fr.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/62849
Appears in Collections:影响、适应和脆弱性
气候减缓与适应

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作者单位: Laboratory of Atmospheric Optics, University of Lille 1, Villeneuve d'Ascq, France; Now at: College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, United Kingdom

Recommended Citation:
Waquet F.,Péré J.-C.,Peers F.,et al. Global detection of absorbing aerosols over the ocean in the red and near-infrared spectral region[J]. Journal of Geophysical Research: Atmospheres,2016-01-01,121(18)
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