Volume 32 Issue 2
Mar.  2015
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ZHENG Shiwei, JIANG Hong, TANG Minzhong. Research on the characteristics and dynamics of acid deposition in Mount Tianmu[J]. Journal of Zhejiang A&F University, 2015, 32(2): 188-194. doi: 10.11833/j.issn.2095-0756.2015.02.004
Citation: ZHENG Shiwei, JIANG Hong, TANG Minzhong. Research on the characteristics and dynamics of acid deposition in Mount Tianmu[J]. Journal of Zhejiang A&F University, 2015, 32(2): 188-194. doi: 10.11833/j.issn.2095-0756.2015.02.004

Research on the characteristics and dynamics of acid deposition in Mount Tianmu

doi: 10.11833/j.issn.2095-0756.2015.02.004
  • Received Date: 2014-03-23
  • Rev Recd Date: 2014-05-30
  • Publish Date: 2015-04-20
通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Research on the characteristics and dynamics of acid deposition in Mount Tianmu

doi: 10.11833/j.issn.2095-0756.2015.02.004

Abstract: With the rapid development of industry, pollution of the atmospheric environment becomes much more serious. Due to increasing atmospheric acid deposition in China, this research at the foot of Mount Tianmu, located in the more developed industrial area of delta of the Yangtze River, was conducted from August 2012 to September 2013 to collect rainfall and analyze its pH, CE, NH4+-N, NO3- -N, and SO42-concentrations, to explore the present status and characteristics of atmospheric acid, provide data support for the protection of the ecological environment of Mount Tianmu area. Results implied that the rainfall in Tianmu district belongs to the typical acidic precipitation, the annual average of rainwater pH was 4.81, and pH of rainwater shows seasonal variation: high in summer and low in winter. The range of SO42-/NO3- ions ratio in samples was 4.13-8.89, which indicating that SO42- contributes greater to the acidity of acid rain in the region. CE values, NH4+-N, NO3--N and SO42- concentration of the rainwater change regularly over time in study area, generally expressed as: their concentrations are higher in autumn or winter and lower in summer. During the study period, the amount of total inorganic nitrogen of atmospheric wet deposition in Tianmu area was 5.25 kghm-2a-1, the average concentration of inorganic nitrogen monthly precipitation was 1.109 mgL-1. NO3--N and NH4+-N concentration in rainfall samples showed a linear relationship, as well as the concentration between NO3--N and SO42-. And their correlation equations are y=1.392 0x-0.315 5, R2 = 0.768 and y = 0.180 3x + 0.013 8, R2 = 0.886 6; There is a close relationship between NO3- concentration of rainfall samples and OMI satellite troposphere concentration of NO2 vertical column. And the correlation varies in different seasons, generally expressed as: the correlation was positive in autumn and winter, while becoming negative in spring and summer.[Ch, 4 fig. 1 tab. 19 ref.]

ZHENG Shiwei, JIANG Hong, TANG Minzhong. Research on the characteristics and dynamics of acid deposition in Mount Tianmu[J]. Journal of Zhejiang A&F University, 2015, 32(2): 188-194. doi: 10.11833/j.issn.2095-0756.2015.02.004
Citation: ZHENG Shiwei, JIANG Hong, TANG Minzhong. Research on the characteristics and dynamics of acid deposition in Mount Tianmu[J]. Journal of Zhejiang A&F University, 2015, 32(2): 188-194. doi: 10.11833/j.issn.2095-0756.2015.02.004

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