Study on concentration and transport characteristics of sulfur dioxide over the Bohai Sea

JIANG Jie; ZHA Yong; CHEN Xiao-qiang; SHEN Dan

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JIANG Jie, ZHA Yong, CHEN Xiao-qiang, SHEN Dan. Study on concentration and transport characteristics of sulfur dioxide over the Bohai Sea[J]. Haiyang Xuebao, 2011, 33(6): 73-78.

Citation:

JIANG Jie, ZHA Yong, CHEN Xiao-qiang, SHEN Dan. Study on concentration and transport characteristics of sulfur dioxide over the Bohai Sea[J]. Haiyang Xuebao, 2011, 33(6): 73-78.

JIANG Jie, ZHA Yong, CHEN Xiao-qiang, SHEN Dan. Study on concentration and transport characteristics of sulfur dioxide over the Bohai Sea[J]. Haiyang Xuebao, 2011, 33(6): 73-78.

Citation:

JIANG Jie, ZHA Yong, CHEN Xiao-qiang, SHEN Dan. Study on concentration and transport characteristics of sulfur dioxide over the Bohai Sea[J]. Haiyang Xuebao, 2011, 33(6): 73-78.

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Study on concentration and transport characteristics of sulfur dioxide over the Bohai Sea

1.
Key Laboratory of Ministry of Education for Virtual Geographic Environment, School of Geography Science, Nanjing Normal University, Nanjing 210046, China;College of Geographic and Biological Information, Nanjing University of Posts and Telecommunications, Nanjing 210046, China
2.
Key Laboratory of Ministry of Education for Virtual Geographic Environment, School of Geography Science, Nanjing Normal University, Nanjing 210046, China

Received Date: 2010-01-16
Rev Recd Date: 2011-04-19

Abstract

Abstract

The spatiotemporal variation in SO₂ over the Bohai Sea during 2005 was analyzed from the planetary boundary layer (PBL) SO₂ column densities retrieved from aura ozone monitoring instrument (OMI) data. Using the HYSPLIT model and FNL reanalysis data, the backward trajectories arriving in the Bohai Sea were calculated in order to identify the lead contributors. The obtained results indicate that the SO₂ concentration over the Bohai Sea varies greatly with seasons, the mean concentration of SO₂ shows the high values in autumn and winter, low values in spring and summer. the highest value which exceeds 6.187×10¹⁶ cm^-2 in winter, the lowest concentration is 3.766×10¹⁶ cm^-2 in summer; moreover the SO₂ concentration varies greatly in the spatial distribution in different seasons. The results of the backward trajectory analysis show that SO₂ emission from the region around the Bohai Sea has great influence on the Bohai Sea, the influence is the greatest in winter and the weakest in summer.
- sulfur dioxide,
- Bohai Sea,
- HYSPLIT,
- backward trajectory

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References(18)

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