Universität zu Köln

Scheder, Juliane ORCID: 0000-0001-9974-2802, Frenzel, Peter ORCID: 0000-0002-3821-4632, Bungenstock, Friederike ORCID: 0000-0001-6774-1362, Engel, Max ORCID: 0000-0002-2271-4229, Brueckner, Helmut and Pint, Anna (2019). Vertical and lateral distribution of Foraminifera and Ostracoda in the East Frisian Wadden Sea - developing a transfer function for relative sea-level change. Geol. Belg., 22 (3-4). S. 99 - 111. BRUSSELS: GEOLOGICA BELGICA. ISSN 2034-1954

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Abstract

In light of rising sea levels and increased storm surge hazards, detailed information on relative sea-level (RSL) histories and local controlling mechanisms is required to support future projections and to better prepare for future coastal-protection challenges. This study contributes to deciphering Holocene RSL changes at the German North Sea coast in high resolution by developing a transfer function for RSL change. Recent associations of Foraminifera and Ostracoda from low intertidal to supratidal settings of the barrier island of Spiekeroog in combination with environmental parameters (granulomeny, C/N, total organic carbon, salinity) were investigated and quantified in elevation steps of 15 cm in order to generate a first transfer function (TF) of Holocene RSL change. In a future step, the TF can be applied to the stratigraphic record. Our data show a clear vertical zonation of foraminifer and ostracod taxa between the middle salt marsh and the tidal flat with very few individuals in the sand flat area, suggesting removal by the tidal current or poor preservation. Multivariate statistics identify the elevation, corresponding to the inundation frequency, as main driving factor. The smallest vertical error (49 cm) is associated with an entirely new approach of combining Foraminifera and Ostracoda for a TF. Advantages of the TF over classical RSL indicators such as basal and intercalated peats - beside the relatively narrow indicative meaning - include the possible application to a wide range of intertidal facies and that the resulting RSL curve does not depend on compaction-prone peats.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Scheder, Juliane UNSPECIFIED orcid.org/0000-0001-9974-2802 UNSPECIFIED Frenzel, Peter UNSPECIFIED orcid.org/0000-0002-3821-4632 UNSPECIFIED Bungenstock, Friederike UNSPECIFIED orcid.org/0000-0001-6774-1362 UNSPECIFIED Engel, Max UNSPECIFIED orcid.org/0000-0002-2271-4229 UNSPECIFIED Brueckner, Helmut UNSPECIFIED UNSPECIFIED UNSPECIFIED Pint, Anna UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-159908
DOI:	10.20341/gb.2019.007
Journal or Publication Title:	Geol. Belg.
Volume:	22
Number:	3-4
Page Range:	S. 99 - 111
Date:	2019
Publisher:	GEOLOGICA BELGICA
Place of Publication:	BRUSSELS
ISSN:	2034-1954
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language SALT-MARSH FORAMINIFERA; SOUTHERN NORTH-SEA; SIZE DISTRIBUTION; ATLANTIC COAST; NEW-JERSEY; HOLOCENE; RISE; NETHERLANDS; EUROPE; SUBSIDENCE Multiple languages Geology Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/15990