First detailed observations of long-range transported dust over the northern South China Sea

Sheng Hsiang Wang, Si Chee Tsay, Neng Huei Lin, N. Christina Hsu, Shaun W. Bell, Can Li, Qiang Ji, Myeong Jae Jeong, Richard A. Hansell, Ellsworth J. Welton, Brent N. Holben, Guey Rong Sheu, Yu Chi Chu, Shuenn Chin Chang, Jyh Jian Liu, Wei Li Chiang

Research output: Contribution to journalArticlepeer-review

72 Scopus citations

Abstract

Trans-Pacific Asian dust transport has been well documented, but little is known about dust invasion to the South China Sea (SCS). This study presents the first detailed characterization of dust aerosols transported to the northern SCS. On 21 March 2010, a strong Asian dust storm affected large areas from the Gobi deserts to the West Pacific, including Taiwan and Hong Kong, and was also observed by a comprehensive set of instruments at Dongsha Island, a small island (about 2 km2, 20°42′52" N, 116°43′51" E) in the northern SCS. Aerosol measurements including particle mass concentrations, size distribution, optical properties, hygroscopicity, and vertical profiles help depict the evolution of this dust event. Our results indicate that the dust particles were mixed with anthropogenic and marine aerosols, and transported within 250 m above ground level. The long-range transport of Asian dust to the northern SCS could significantly impact the ecosystems in the region.

Original languageEnglish
Pages (from-to)4804-4808
Number of pages5
JournalAtmospheric Environment
Volume45
Issue number27
DOIs
StatePublished - Sep 2011

Keywords

  • 7SEAS
  • Aerosol optical thickness (AOT)
  • Asian dust
  • Dongsha
  • Lidar
  • South China Sea

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