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Istituto sull'inquinamento atmosferico

Torna all'elenco Contributi in rivista anno 2013

Contributo in rivista

Tipo: Articolo in rivista

Titolo: First Measurements of Ambient Total Gaseous Mercury (TGM) at the EvK2CNR Pyramid Observatory in Nepal.

Anno di pubblicazione: 2013

Formato: Elettronico

Autori: L. E. Gratz, G. Esposito, S. Dalla Torre, F. Cofone, N. Pirrone and F. Sprovieri

Affiliazioni autori: CNR-IIA

Autori CNR:

  • FRANCO COFONE
  • STEFANO DALLA TORRE
  • GIULIO ESPOSITO
  • LYNNE GRATZ
  • NICOLA PIRRONE
  • FRANCESCA SPROVIERI

Lingua: inglese

Abstract: As part of the Global Mercury Observation System (GMOS) project, a global-scale network of ground-based atmospheric monitoring sites is being developed with the objective of expanding the global coverage of atmospheric mercury (Hg) measurements and improving our understanding of global atmospheric Hg transport. An important addition to the GMOS monitorng network has been the high altitude EvK2CNR Pyramid Observatory, located at an elevation of 5,050 meters a.s.l. in the eastern Himalaya Mountains of Nepal. Monitoring of total gaseous mercury (TGM) using the Tekran 2537A Mercury Vapor Analyzer began at the EvK2CNR Pyramid Observatory in November 2011. From 17 November 2011 to 23 April 2012, the mean concentration of TGM at the Pyramid was 1.2 ng m-3. A range of concentrations from 0.7 to 2.6 ng m-3 has been observed. These are the first reported measurements of atmospheric Hg in Nepal, and currently this is the highest altitude monitoring station for atmospheric Hg in the world. It is anticipated that these high quality measurements, in combination with the other continuous atmospheric measurments being collected at the Pyramid station, will help to further our understanding of Hg concentrations in the free troposphere and the transport of atmospheric Hg on the global scale.

Lingua abstract: inglese

Pagine da: 27004

Pagine a: 27007

Pagine totali: 4

Rivista:

E3S Web of Conferences EDP Sciences - Web of Conferences
Paese di pubblicazione: Francia
Lingua: inglese
ISSN: 2267-1242

DOI: 10.1051/e3sconf/20130127004

Referee: Sė: Internazionale

Stato della pubblicazione: Published version

Parole chiave:

  • total gaseous mercury
  • global transport
  • GMOS
  • Nepal

URL: http://dx.doi.org/10.1051/e3sconf/20130127004

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