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Article (PDF, 6861 KB).pdf

acp-15-11067-2015.pdf

🔗 Source: acp.copernicus.org

📊 Size: 6.7 MB

📄 Pages: 14 pages

⬇️ Downloads: 66

Summary

Dual-wavelength Raman and depolarization lidar measurements were performed in Barbados from June 15 to July 13, 2013, to characterize the optical properties of long-range transported Saharan dust. Four major dust events were studied, with aerosol optical depths at 532 nm of up to 0.6. The vertical aerosol distribution showed a three-layer structure, with the pure Saharan dust layer reaching up to 4.5 km in height and contributing about half of the total aerosol optical depth at 532 nm. The total dust contribution was about 50-70% of the total aerosol optical depth at 532 nm. The lidar ratio within the pure dust layer was wavelength-independent, with mean values of 53 ± 5 sr at 355 nm and 56 ± 7 sr at 532 nm. The particle linear depolarization ratio was also wavelength-independent, with mean values of 0.26 ± 0.03 at 355 nm and 0.27 ± 0.01 at 532 nm.

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Description

Dual-wavelength Raman and depolarization lidar measurements were performed in Barbados from June 15 to July 13, 2013, to characterize the optical properties of...

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File Format: PDF
File Size: 6.7 MB
Pages: 14
Language: EN
Total Downloads: 66
Last Updated: 12 hours ago

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