Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 562215
Title An OSL dated Middle and Late Quaternary sedimentary record in the Roer Valley Graben (southeastern Netherlands)
Author(s) Schokker, Jeroen; Cleveringa, Piet; Murray, Andrew S.; Wallinga, Jakob; Westerhoff, Wim E.
Source Quaternary Science Reviews 24 (2005)20-21. - ISSN 0277-3791 - p. 2243 - 2264.
Publication type Refereed Article in a scientific journal
Publication year 2005

Well-dated terrestrial sedimentary sequences are important to evaluate the influence of Quaternary climate change on continental landscape evolution. The Roer Valley Graben (southeastern Netherlands) contains a 35 m thick sedimentary record of Middle and Late Quaternary fluvial, aeolian and organic deposits. Sediment provenance, depositional processes and the continuity and timing of deposition were reconstructed. Sedimentary and geochemical data reveal a change from a fluvial depositional environment to a dominance of aeolian deposits. This change may be related to increased tectonic uplift and the onset of large-scale volcanism in the Ardennes-Eifel region between 800 and 500 ka. The main source of aeolian sediments are Quaternary Rhine deposits that crop out to the northwest of the study area. Sedimentation and preservation in the Roer Valley Graben took place under humid surface conditions. These conditions occurred: (1) in a periglacial climate with permafrost; (2) at the transition from a warm-temperate to a cool climate. Dates from two internally consistent quartz Optically Stimulated Luminescence (OSL) age series in the Roer Valley Graben correspond well with the ages of related terrace deposits in the orbitally tuned Meuse river terrace flight. The OSL dates confirm the presence of organic deposits reflecting Marine Oxygen Isotope Stage (MIS) 9 or 11 and MIS 5e. This long terrestrial sequence thus provides input for the fragmentary Middle Pleistocene record of northwestern Europe and forms a possible link between the glacial history of northern Europe and the long lake and loess records of eastern and southern Europe.

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