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Atmospheric Chemistry and Physics An Interactive Open Access Journal of the European Geosciences Union

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Atmos. Chem. Phys., 10, 5943-5950, 2010
© Author(s) 2010. This work is distributed
under the Creative Commons Attribution 3.0 License.
Relationship between wind speed and aerosol optical depth over remote ocean
H. Huang, G. E. Thomas, and R. G. Grainger
Atmospheric, Oceanic and Planetary Physics, University of Oxford, Oxford, OX1 3PU, UK

Abstract. The effect of wind speed on aerosol optical depth (AOD) at 0.55 μm over remote ocean regions is investigated. Remote ocean regions are defined by the combination of AOD from satellite observation and wind direction from ECMWF. According to our definition, many ocean regions cannot be taken as remote ocean regions due to long-range transportation of aerosol from continents. Highly correlated linear relationships are found in remote ocean regions with a wind speed range of 0–20 ms−1. The enhancement of AOD at high wind speed is explained as the increase of sea salt aerosol production.

Citation: Huang, H., Thomas, G. E., and Grainger, R. G.: Relationship between wind speed and aerosol optical depth over remote ocean, Atmos. Chem. Phys., 10, 5943-5950, doi:10.5194/acp-10-5943-2010, 2010.
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