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French

Premières données sur la matière en suspension dans le Léman

Number of pages83
PublisherGenève
Publication date1983
Abstract

The particulate matter cycle in Lac Léman (Switzerland) was studied by means of suspended solid, trap and bottom sediment collection. Major oxides, trace elements and nutrients were analyzed, and concentration as well as sedimentation rates measured. Epilimnetic production of calcium carbonate, biogenic silica, organic matter and silicates was estimated from chemical composition changes in water, and decomposition rates calculated. Use of a simple model based on a "Flux = concentration * transfer velocity" relation shows the occurrence of hypolimnetic sources for silicates, Ca, organic C, Mn, Zn and Cd.

Keywords
  • Léman
  • Geochemistry
  • Suspended solids
  • Metallogenium
  • Calcite
  • Sedimentation
NoteExtended abstract in French, English and German
Funding
  • Swiss National Science Foundation - 2.606-0.76
  • Swiss National Science Foundation - 2.094-0.78
Citation (ISO format)
JAQUET, Jean-Michel et al. Premières données sur la matière en suspension dans le Léman. 1983
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accessLevelPublic
Identifiers
  • PID : unige:27100
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