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Istituto sull'inquinamento atmosferico

Torna all'elenco Contributi in atti di convegno anno 2010

Contributo in atti di convegno

Tipo: Contributo in atti di convegno

Titolo: Global Mercury Emissions From Natural and Anthropogenic Sources

Anno di pubblicazione: 2010

Autori: Pirrone N.; Cinnirella S.; Feng X.; Finkelman R.B.; Friedli H.R.; Leaner J.; Mason R. Murkherjee A.B.; Stracher G.B.; Streets D.G.; Telmer K.

Affiliazioni autori: Pirrone N.:CNR-IIA; Cinnirella S.: CNR-IIA; Streets D.G.: Argonne National Laboratory, Argonne, U.S.A.; Feng X.: State Key Laboratory of Environmental Geochemistry, Chinese Academy of Sciences, Guiyang, China; Mukherjee A.B.: Department of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland; Leaner J.: CSIR, Stellenbosch, South Africa; Telmer K.: School of Earth and Ocean Sciences, University of Victoria, Victoria, Canada; Mason R.: Department of Marine Sciences, University of Connecticut, Hartford, U.S.A.; Friedli H.R.: National Center for Atmospheric Research, Boulder, U.S.A.; Finkelman R.: University of Texas, Dallas, U.S.A.; Stracher G.: Division of Science and Mathematics, East Georgia College, Swainsboro, Georgia;

Autori CNR:


Abstract: Our recent findings show that mercury emissions from natural sources and re-emission from aquatic and terrestrial surfaces are significantly higher than the mercury emissions from anthropogenic sources. On an annual basis, natural sources account for 5207 Mg of mercury released to the global atmosphere, including the contribution from re-emission processes, which are emissions of previously deposited mercury originating from anthropogenic and natural sources, and primary emissions from natural reservoirs. Anthropogenic sources, which include a large number of industrial point sources, are estimated to account for 2320 Mg of mercury emitted annually. Therefore, our current estimate of global mercury emissions suggests that within the overall contribution (7527 Mg ), as much as two thirds of the total emissions originate from natural sources and re-emission fields. This may have clear repercussions on the necessity of investing a lot of money and reduce emissions from coal combustion and from other anthropogenic sources as we do not have any idea to handle mercury emission from natural sources, which are two times higher than that generated by various human activities.

Lingua abstract: inglese

Referee: Ś: Internazionale

Parole chiave:

  • Heavy metals
  • atmospheric pollution
  • point sources

Congresso nome: 15th International Conference on Heavy Metals in the Environment

Congresso luogo: Gdansk, Poland

Congresso data: 19-23 September

Congresso rilevanza: Internazionale

Congresso relazione: Contributo

Strutture CNR:


Allegati: Global Mercury Emissions From Natural and Anthropogenic Sources (application/pdf)

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