Investigation of heavy metal concentration profiles in selected North Frisian saltmarshes using radiological methods
Description
Sediment cores from stratigraphically undisturbed North Frisian saltmarshes were dated using radiological methods (210Pb-, 137Cs- and 14C-dating) and analyzed for heavy metals in the <20 μm-particle size fraction using Total-Reflection X-Ray Fluorescence Spectrometry and Atomic Absorbtion Spectrometry. The investigations provide information about local background concentrations of the heavy metals and show temporal variations of heavy metal concentrations in the sediments, thus reflecting the history of industrialization. Concentrations of copper, zinc, cadmium, mercury and lead, in particular, have increased significantly in the sediments during the present century as a result of industrial emissions. Effects of anti-pollution measures and of diagenetic processes on heavy metal profiles are discussed. (orig.). 75 figs., 47 tabs
Availability note (English)
MF available from INIS under the Report Number.Abstract (German)
An Bohrkernen aus stratigraphisch ungestoerten Sedimenten nordfriesischer Salzmarschen werden Sedimentdatierungen mit radiologischen Methoden (210Pb-, 137Cs- und 14C-Datierung) und Schwermetalluntersuchungen an der <20 μm-Fraktion mit Hilfe von Totalreflexions-Roentgenfluoreszenz-Analyse und Atom-Absorbtions-Spektrometrie durchgefuehrt. Die Untersuchungen geben Aufschluss ueber lokale geochemische Basiskonzentrationen der untersuchten Schwermetalle sowie ueber zeitliche Veraenderungen der Schwermetallkonzentrationen im Sediment, die weitgehend den Verlauf der Industrialisierung reflektieren. Insbesondere die Sedimentgehalte von Kupfer, Zink, Cadmium, Quecksilber und Blei steigen in unserem Jahrhundert infolge industrieller Schwermetallfreisetzungen deutlich an. Die Einfluesse emissionsmindernder Massnahmen und diagenetischer Prozesse auf die Schwermetallprofile werden diskutiert. (orig.)
Files
Restricted
The record is publicly accessible, but files are restricted to users with access.
Additional details
Additional titles
- Original title (German)
- Untersuchungen zum langjaehrigen Verlauf von Schwermetalldepositionen in ausgewaehlten schleswig-holsteinischen Salzmarschen auf der Basis von Radionuklidmessungen
Publishing Information
- Imprint Pagination
- 233 p.
- ISSN
- 0344-9629
- Report number
- GKSS--92/E/107
INIS
- Country of Publication
- Germany
- Country of Input or Organization
- Germany
- INIS RN
- 25020894
- Subject category
- S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
- Resource subtype / Literary indicator
- Thesis
- Descriptors DEI
- ABSORPTION SPECTROSCOPY; BOREHOLES; CARBON 14; CESIUM 137; FEDERAL REPUBLIC OF GERMANY; ISOTOPE DATING; LAND POLLUTION; LEAD 210; MARSHES; METALS; SEDIMENTS; SHORES; X-RAY FLUORESCENCE ANALYSIS
- Descriptors DEC
- AGE ESTIMATION; ALPHA DECAY RADIOISOTOPES; AQUATIC ECOSYSTEMS; BETA DECAY RADIOISOTOPES; BETA-MINUS DECAY RADIOISOTOPES; CARBON ISOTOPES; CAVITIES; CESIUM ISOTOPES; CHEMICAL ANALYSIS; COASTAL REGIONS; DEVELOPED COUNTRIES; ECOSYSTEMS; ELEMENTS; EUROPE; EVEN-EVEN NUCLEI; HEAVY NUCLEI; INTERMEDIATE MASS NUCLEI; ISOTOPES; LEAD ISOTOPES; LIGHT NUCLEI; NONDESTRUCTIVE ANALYSIS; NUCLEI; ODD-EVEN NUCLEI; POLLUTION; RADIOISOTOPES; SPECTROSCOPY; WETLANDS; X-RAY EMISSION ANALYSIS; YEARS LIVING RADIOISOTOPES