University of Hertfordshire

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  • 906587

    Accepted author manuscript, 1.19 MB, PDF document

  • Dongho Shin
  • D. Mueller
  • Tae Jin Choi
  • Young Min Noh
  • Young Jun Yoon
  • Kwon-Ho Lee
  • Sung Kyun Shin
  • Nam Yi Chae
  • Kwanchul Kim
  • Young Joon Kim
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Original languageEnglish
Pages (from-to)282-290
JournalAtmospheric Environment
Volume83
Early online date31 Oct 2013
DOIs
Publication statusPublished - Feb 2014

Abstract

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 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 with correlation coefficient (R2) of 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.

ID: 2515954