http://www.cnr.it/ontology/cnr/individuo/prodotto/ID20093
Seasonal variations in nickel and vanadium in Mont Blanc snow and ice dated from the 1960s and 1990s. (Articolo in rivista)
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- Label
- Seasonal variations in nickel and vanadium in Mont Blanc snow and ice dated from the 1960s and 1990s. (Articolo in rivista) (literal)
- Anno
- 2002-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1039/b208142c (literal)
- Alternative label
C. Barbante, C. Boutron, A.-L. Moreau, C. Ferrari,K. Van de Velde, G. Cozzi, C. Turetta, P. Cescon (2002)
Seasonal variations in nickel and vanadium in Mont Blanc snow and ice dated from the 1960s and 1990s.
in Journal of environmental monitoring (Print)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- C. Barbante, C. Boutron, A.-L. Moreau, C. Ferrari,K. Van de Velde, G. Cozzi, C. Turetta, P. Cescon (literal)
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- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Univ Venice, Dipartimento Sci Ambientali, I-30123 Venice, Italy
Univ Venice, Ist Dinam Proc Ambientali, CNR, I-30123 Venice, Italy
CNRS, Lab Glaciol & Geophys Environm, F-38402 St Martin Dheres, France
Univ Grenoble 1, Observ Sci, Inst Univ France, F-38041 Grenoble, France
Univ Grenoble 1, Unite Format & Rech Phys, Inst Univ France, F-38041 Grenoble, France
Univ Grenoble 1, Inst Sci & Tech, F-38041 Grenoble, France (literal)
- Titolo
- Seasonal variations in nickel and vanadium in Mont Blanc snow and ice dated from the 1960s and 1990s. (literal)
- Abstract
- Ni and V have been determined in snow and ice collected at a high altitude location (Col du Dome) near
the summit of Mont Blanc on the FrenchItalian border; dated from the 1960s and 1990s. Ni and V were
simultaneously determined by inductively coupled plasma sector field mass spectrometry. Measured
concentrations range from 6 to 700 pg g21 and 4 to 1100 pg g21 for Ni and V, respectively. The results show
pronounced seasonal variations in the concentrations of both metals, with high concentration values in summer
layers and much lower values for winter layers. These seasonal variations are linked especially with the
existence of inversion layers during winter months. Ni and V concentrations in excess of the contributions from
rock and soil dust (Niexcess, Vexcess) appear to be mainly associated with anthropogenic inputs, with pronounced
seasonal variations. Large variations in the Vexcess/ Niexcess ratio are observed, with a higher ratio in summer
than in winter. This shows differences in anthropogenic inputs at Col du Dome during the different parts of the
year. The above ratio was compared with the corresponding ratios for oil combustion from stationary sources
and the exhaust from gasoline and diesel engines. It appears that Ni and V concentrations at Col du Dome
are probably the result of changing combinations of contributions from oil combustion for power generation,
industrial and residential uses, on one side, and automobile and truck traffic, on the other side, with possibly
a significant contribution from Ni smelters in Russia during winter months. (literal)
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