Geochemische Indikatoren fuer die Produktivitaet in einem entrophierten See - Greifensee (Kanton Zuerich)

Description: Greifensee is a small lake in north-eastern switzerland which has become progressively eutrophic during the last 100 years, as a consequence of higher rates of organic productivity facilitated by an increased nutrient supply. Mckenzie (1982) demonstrated that annual changes in the surface water productivity of greifensee could be followed using the carbon-isotop signal of the desorbed bicarbonate. This integrated study allows us to evaluate the significance of our geochemical signals (i.e. How do the signals respond to productivity changes), to quantitatively model the carbon cycle in a highly productive lake, hence to extrapolate our results to ancient anoxic basins.

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Origins: /Bund/UBA/UFORDAT

Tags: Bicarbonat ? Zürich ? Eutrophierung ? Kohlenstoff ? Nährstoff ? Seensediment ? Schweiz ? Hydrochemie ? Nährstoffkreislauf ? Sediment ? Greifensee ? Isotop ? See [Binnengewässer] ? carbone ? elements nutritifs ? elements radioactifs ? eutrophisation ? lac ?

License: cc-by-nc-nd/4.0

Language: Deutsch

Organisations

• Eidgenössische Technische Hochschule Zürich, Geologisches Institut, Stabil Isotopen Labor (Betreiber*in)
• Umweltbundesamt (Bereitsteller*in)
• Woods Hole Oceanographic Institution (Mitwirkende)

Time ranges: 1983-01-01 - 1985-12-31

Status

Aktiv

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