Relationship between column aerosol optical thickness and in situ ground based dust concentrations over Barbados

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https://onlinelibrary.wiley.com/doi/abs/10.1029/1999GL011336

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https://doi.org/10.1029/1999GL011336
 http://hdl.handle.net/11603/33455

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https://orcid.org/0000-0001-9801-1610

Date

2000-06-01

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journal articles
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Citation of Original Publication

Smirnov, A., B. N. Holben, D. Savoie, J. M. Prospero, Y. J. Kaufman, D. Tanre, T. F. Eck, and I. Slutsker. “Relationship between Column Aerosol Optical Thickness and in Situ Ground Based Dust Concentrations over Barbados.” Geophysical Research Letters 27, no. 11 (2000): 1643–46. https://doi.org/10.1029/1999GL011336.

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This work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.
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Abstract

Aerosol optical depth measurements over Barbados acquired through the AERONET network are analyzed. Optical depth shows a pronounced seasonal pattern, with a maximum observed during summer. The temporal trends of the sunphotometry data were similar to those of ground-based dust concentration measurements. A simple linear regression relationship has been established between mean monthly values of aerosol optical depth and dust concentrations (correlation coefficient r=0.93), which allows the estimation of optical depth for any specific time period when dust concentration measurements are available. The robustness of the regression was validated with an independent data set.