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Characterization of Atmospheric Mercury in the High-Altitude Background Station and Coastal Urban City in South Asia

In: Environmental Sustainability - Preparing for Tomorrow

Author

Listed:
  • Manikanda Bharath Karuppasamy
  • Srinivasalu Seshachalam
  • Usha Natesan
  • Karthik Ramasamy

Abstract

This study is performed to evaluate the potential sources and seasonal variation of atmospheric mercury (Hg) emissions from regional sources and other influences in India. To achieve this, using the gold amalgam technique with an automated continuous mercury vapour analyzer (TekranTM 2537B). To assess the total gaseous mercury in high altitude mountain peak station at Kodaikanal & coastal/urban air in Chennai region, the impact of changing weather conditions is also evaluated. To compare the past and recent reports of mercury at different locations in the world. The average total gaseous mercury value in Chennai is 4.68 ng/m3, which is higher as compared to Kodaikanal, where it is 1.53 ng/m3. The association between TGM with meteorological parameters in ambient air such as temperature, relative humidity, rainfall intensity, the direction of wind and velocity of was studied. The TGM concentration in India are compared with other nations, the TGM levels are similar to the east and Southeast Asian countries, and also Europe, Sub-Saharan Africa and North America are the averages and maximum concentration generally smaller. This research will help to establish more effective management approaches to mitigate the impacts of atmospheric mercury on the rural and urban environment.

Suggested Citation

  • Manikanda Bharath Karuppasamy & Srinivasalu Seshachalam & Usha Natesan & Karthik Ramasamy, 2021. "Characterization of Atmospheric Mercury in the High-Altitude Background Station and Coastal Urban City in South Asia," Chapters, in: Syed Abdul Rehman Khan (ed.), Environmental Sustainability - Preparing for Tomorrow, IntechOpen.
    • Handle: RePEc:ito:pchaps:221376
    DOI: 10.5772/intechopen.94543
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    More about this item

    Keywords

    ambient total gaseous mercury; meteorological parameters; high-altitude station; coastal urban city; global perspective;
    All these keywords.

    JEL classification:

    • Q56 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Environment and Development; Environment and Trade; Sustainability; Environmental Accounts and Accounting; Environmental Equity; Population Growth

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