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Migration and bioavailability of 137Cs in forest soil of southern Germany: (Peer-Reviewed Article) - Detailansicht
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Grunddaten
Titel der Arbeit (title)
Migration and bioavailability of 137Cs in forest soil of southern Germany:
Titel der Zeitschrift bzw. Zeitung
Journal of Environmental Radioactivity
Erscheinungsjahr
2009
Verlag (publisher)
Elsevier Science Ltd.
Seitenzahl (pages)
315-321
Band (volume)
Volume 100, No. 4, April 2009
Publikationsart
Peer-Reviewed Article
Inhalt
Abstract
To give a quantitative description of the radiocaesium soilplant transfer for fern (Dryopteris carthusiana)and blackberry (Rubus fruticosus), physical and chemical properties of soils in spruce and mixed forest stands were investigated. Of special interest was the selective sorption of radiocaesium, which was determined by measuring the Radiocaesium Interception Potential (RIP). Forest soil and plants were taken at 10 locations of the Altdorfer Wald (5 sites in spruce forest and 5 sites in mixed forest). It was found that the bioavailability of radiocaesium in spruce forest was on average seven times higher than in mixed forest. It was shown that important factors determining the bioavailability of radiocaesium in forest soil were its exchangeability and the radiocaesium interception potential (RIP) of the soil. Low potassium concentration in soil solution of forest soils favors radiocaesium soilplant transfer. Ammonium in forest soils plays an even more important role than potassium as a mobilizer of radiocaesium.
The availability factor a function of RIP, exchangeability and cationic composition of soil solution characterized reliably the soilplant transfer in both spruce and mixed forest. For highly organic soils in coniferous forest, radiocaesium sorption at regular exchange sites should be taken into account when its bioavailability is considered.
Zugeordnete Projekte
Wissenschaftliche Veröffentlichungen
Beteiligte Personen (intern)
Klemt, Eckehard, Professor Dr. rer. nat.
Einrichtungen
Bachelorstudiengang Physikalische Technik
Fakultät Technologie und Management
Hochschule Ravensburg-Weingarten
Institut für Angewandte Forschung (IAF)
Masterstudiengang Umwelt- und Verfahrenstechnik
Schwerpunkt Energie und Umwelt (IAF)
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