Influence of wind speed on optical properties of aerosols in the marine boundary layer measured by ship-borne DePolarization Lidar in the coastal area of Korea
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- Influence of wind speed on optical properties of aerosols in the marine boundary layer measured by ship-borne DePolarization Lidar in the coastal area of Korea
- Shin, Dong Ho
Noh, Young Min
Yoon, Young Jun
Lee, Kwon H.
Shin, Sung Kyun
Kim, Young J.
- Environmental Sciences & Ecology; Meteorology & Atmospheric Sciences
- Lidar; Aerosol; Wind speed; Marine boundary layer; Araon
- Issue Date
- Shin, Dong Ho., et al. 2014. Influence of wind speed on optical properties of aerosols in the marine boundary layer measured by ship-borne DePolarization Lidar in the coastal area of Korea. Atmospheric Environment, 83: 282-290.
- Shipboard measurements of microphysical and optical properties of marine boundary-layer aerosols
were performed around the Korean Peninsula from 2 to 5 December 2009. The measurements were
conducted aboard the Korean icebreaking research vessel Araon during cruise tracks in the East Sea of
Korea near Busan and Pohang. This paper describes the results of optical aerosol measurements acquired
with a DePolarization Lidar (DPL) and an optical particle counter (OPC) and data on meteorological
parameters. Backward trajectory analyses indicate that two different aerosol characteristics according to
different pathways of air mass were encountered during the cruise. We find a high correlation between
wind speeds across the east coast of Korea and extinction coefficient, depolarization ratio and mass
concentration Correlation coefficient (R2) are 0.57, 0.52 and 0.67, respectively. The increase of extinction
coefficient, depolarization ratio and number concentration with wind speed may have been caused by
the increase of sea-salt aerosol production and transport.
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