1994
DOI: 10.1016/0009-2541(94)90147-3
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Geochemical study of a crater lake: Pavin Lake, France — Identification, location and quantification of the chemical reactions in the lake

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Cited by 73 publications
(77 citation statements)
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“…Reactions of trace metals with sulfides (Hamilton-Taylor et al 1996) seem mainly to be located below the oxic-anoxic boundary and to be important for U, Mo, Cu, and Co (Viollier et al 1997). In the bottom layer, coprecipitation of iron and phosphate with a ratio close to that of vivianite (Michard et al 1994) seems to be the main scavenging mechanism, especially for barium (Viollier et al 1997), although Ba scavenging by Fe, Mn-oxides, or both at the redox boundary also occurs in Lake Pavin as mentioned elsewhere (Sugiyama et al 1992). At the water-sediment interface, transient release of metals (Hamilton-Taylor and Davison 1995) seems to be due to transitions between iron phases (iron phosphate to pyrite).…”
Section: Acknowledgmentsmentioning
confidence: 99%
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“…Reactions of trace metals with sulfides (Hamilton-Taylor et al 1996) seem mainly to be located below the oxic-anoxic boundary and to be important for U, Mo, Cu, and Co (Viollier et al 1997). In the bottom layer, coprecipitation of iron and phosphate with a ratio close to that of vivianite (Michard et al 1994) seems to be the main scavenging mechanism, especially for barium (Viollier et al 1997), although Ba scavenging by Fe, Mn-oxides, or both at the redox boundary also occurs in Lake Pavin as mentioned elsewhere (Sugiyama et al 1992). At the water-sediment interface, transient release of metals (Hamilton-Taylor and Davison 1995) seems to be due to transitions between iron phases (iron phosphate to pyrite).…”
Section: Acknowledgmentsmentioning
confidence: 99%
“…Two groups of elements may be distinguished on the basis of their depth profiles in the bottom 30 m. In each group, profiles look alike and two parameter values can be linearly correlated (Michard et al 1994;Viollier et al 1995a). One group contains Cs, Li, Rb, B, Cl, Na, K, Ca, and Mg which are collectively presented by the Cs, Li, and Rb profiles in Fig.…”
Section: Acknowledgmentsmentioning
confidence: 99%
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“…L'exemple que nous présentons ici est relatif au principal lac méromictique français, le lac Pavin, qui a fait l'objet de nombreuses études (BERTHOULE, 1896 ;DELEBECQUE, 1898 ;OLIVIER, 1952 ;ALVINERIE ef a/., 1966 ;PELLETIER, 1968 ;MEY-BECK ef al., 1975 ;DEVAUX et al, 1983 ;AMBLARD et RESTITUITO, 1984 ;RESTl-TUITO, 1984, 1987MARTIN, 1985 ;MARTIN ef al., 1992 ;CAMUS et al, 1993 ;COSSA ef al., 1994 ;MICHARD et al, 1994 ;VlOLLIER ef al., 1995VlOLLIER ef al., , 1997AESCH-BACH-HERTIG ef al., 1999 ;ALBÉRIC ef al., 2000). Il ne s'agit pas, comme dans les modélisations de la chimie des eaux interstitielles citées précédemment, de pré-voir la composition chimique à partir d'une série de réactions posées a priori, mais d'obtenir à partir des concentrations observées des informations sur les réactions faisant passer les éléments de la phase dissoute à la phase solide ou inversement.…”
Section: -Introductionunclassified
“…In Lac Pavin also, despite the small size of its catchment, high concentrations of silica remained constant throughout the sampling campaign (mean : 14.9, SD ± 1.0 mg/1). Sub-lacustrine springs rich in dissolved silica are thought to be partly responsible for this sustained high level (Michard et al 1994).…”
Section: Summary Datamentioning
confidence: 99%