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Identification and quantification of shipping emissions in Bohai Rim, China

  • Fan Zhang
  • , Yingjun Chen*
  • , Chongguo Tian
  • , Xiaoping Wang
  • , Guopei Huang
  • , Yin Fang
  • , Zheng Zong
  • *Corresponding author for this work
  • CAS - Yantai Institute of Coastal Research for Sustainable Development
  • University of Chinese Academy of Sciences
  • Key Laboratory of Coastal Environmental Processes and Ecological Remediation
  • CAS - Guangzhou Institute of Geochemistry

Research output: Contribution to journal › Article › peer-review

Abstract

Rapid development of port and shipbuilding industry in China has badly affected the ambient air quality of coastal zone due to shipping emissions. A total of 60 ambient air samples were collected from background site of Tuoji Island in Bohai Sea strait. The air samples were analyzed for PM2.5, organic carbon (OC), element carbon (EC), inorganic elements, and water-soluble ions. The maximum concentration of PM2.5 was observed during spring (73.6μg·m-3) compared to winter (39.0μg·m-3) with mean of 54.6μg·m-3. Back trajectory air mass analysis together with temporal distribution of vanadium (V) showed that V could be the typical tracer of shipping emissions at Tuoji Island. Furthermore, the ratios of vanadium to nickel (V/Ni), vanadium to lead (V/Pb) and vanadium to zinc (V/Zn) also suggest shipping emissions at Tuoji Island. The annual average primary PM2.5 estimate of shipping emissions was 0.65μg·m-3 at Tuoji Island, accounting for 2.94% of the total primary PM2.5, with a maximum of 3.16% in summer and a minimum of 2.39% in autumn.

Original languageEnglish
Pages (from-to)570-577
Number of pages8
JournalScience of the Total Environment
Volume497-498
DOIs
StatePublished - 1 Nov 2014
Externally publishedYes

Keywords

  • Bohai
  • Coastal zone
  • PM
  • Quantification
  • Shipping emissions
  • Tracers

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