Palaeolake Rehwiese, NE-Germany, Younger Dryas varved data set RW09
The first 1400-year floating varve chronology for north-eastern Germany covering the late Allerød to the early Holocene has been established by microscopic varve counts from the Rehwiese palaeolake sediment record. The Laacher See Tephra (LST), at the base of the studied interval, forms the tephroch...
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ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.772961 2024-09-15T18:24:11+00:00 Palaeolake Rehwiese, NE-Germany, Younger Dryas varved data set RW09 Neugebauer, Ina Brauer, Achim Dräger, Nadine Dulski, Peter Wulf, Sabine Plessen, Birgit Mingram, Jens Herzschuh, Ulrike Brande, Arthur LATITUDE: 52.413880 * LONGITUDE: 13.182833 2011 application/zip, 4 datasets https://doi.pangaea.de/10.1594/PANGAEA.772961 https://doi.org/10.1594/PANGAEA.772961 en eng PANGAEA https://doi.pangaea.de/10.1594/PANGAEA.772961 https://doi.org/10.1594/PANGAEA.772961 CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess Supplement to: Neugebauer, Ina; Brauer, Achim; Dräger, Nadine; Dulski, Peter; Wulf, Sabine; Plessen, Birgit; Mingram, Jens; Herzschuh, Ulrike; Brande, Arthur (2011): A Younger Dryas varve chronology from the Rehwiese palaeolake record in NE-Germany. Quaternary Science Reviews, 36, 91-102, https://doi.org/10.1016/j.quascirev.2011.12.010 Berlin Germany Geological profile sampling GEOPRO Palaeolake Rehwiese dataset publication series 2011 ftpangaea https://doi.org/10.1594/PANGAEA.77296110.1016/j.quascirev.2011.12.010 2024-07-24T02:31:21Z The first 1400-year floating varve chronology for north-eastern Germany covering the late Allerød to the early Holocene has been established by microscopic varve counts from the Rehwiese palaeolake sediment record. The Laacher See Tephra (LST), at the base of the studied interval, forms the tephrochronological anchor point. The fine laminations were examined using a combination of micro-facies and ?-XRF analyses and are typical of calcite varves, which in this case provide mainly a warm season signal. Two varve types with different sub-layer structures have been distinguished: (I) complex varves consisting of up to four seasonal sub-layers formed during the Allerød and early Holocene periods, and, (II) simple two sub-layer type varves only occurring during the Younger Dryas. The precision of the chronology has been improved by varve-to-varve comparison of two independently analyzed sediment profiles based on well-defined micro-marker layers. This has enabled both (1) the precise location of single missing varves in one of the sediment profiles, and, (2) the verification of varve interpolation in disturbed varve intervals in the parallel core. Inter-annual and decadal-scale variability in sediment deposition processes were traced by multi-proxy data series including seasonal layer thickness, high-resolution element scans and total organic and inorganic carbon data at a five-varve resolution. These data support the idea of a two-phase Younger Dryas, with the first interval (12,675 - 12,275 varve years BP) characterised by a still significant but gradually decreasing warm-season calcite precipitation and a second phase (12,275 - 11,640 varve years BP) with only weak calcite precipitation. Detailed correlation of these two phases with the Meerfelder Maar record based on the LST isochrone and independent varve counts provides clues about regional differences and seasonal aspects of YD climate change along a transect from a location proximal to the North Atlantic in the west to a more continental site in the east. Other/Unknown Material North Atlantic PANGAEA - Data Publisher for Earth & Environmental Science ENVELOPE(13.182833,13.182833,52.413880,52.413880) |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
language |
English |
topic |
Berlin Germany Geological profile sampling GEOPRO Palaeolake Rehwiese |
spellingShingle |
Berlin Germany Geological profile sampling GEOPRO Palaeolake Rehwiese Neugebauer, Ina Brauer, Achim Dräger, Nadine Dulski, Peter Wulf, Sabine Plessen, Birgit Mingram, Jens Herzschuh, Ulrike Brande, Arthur Palaeolake Rehwiese, NE-Germany, Younger Dryas varved data set RW09 |
topic_facet |
Berlin Germany Geological profile sampling GEOPRO Palaeolake Rehwiese |
description |
The first 1400-year floating varve chronology for north-eastern Germany covering the late Allerød to the early Holocene has been established by microscopic varve counts from the Rehwiese palaeolake sediment record. The Laacher See Tephra (LST), at the base of the studied interval, forms the tephrochronological anchor point. The fine laminations were examined using a combination of micro-facies and ?-XRF analyses and are typical of calcite varves, which in this case provide mainly a warm season signal. Two varve types with different sub-layer structures have been distinguished: (I) complex varves consisting of up to four seasonal sub-layers formed during the Allerød and early Holocene periods, and, (II) simple two sub-layer type varves only occurring during the Younger Dryas. The precision of the chronology has been improved by varve-to-varve comparison of two independently analyzed sediment profiles based on well-defined micro-marker layers. This has enabled both (1) the precise location of single missing varves in one of the sediment profiles, and, (2) the verification of varve interpolation in disturbed varve intervals in the parallel core. Inter-annual and decadal-scale variability in sediment deposition processes were traced by multi-proxy data series including seasonal layer thickness, high-resolution element scans and total organic and inorganic carbon data at a five-varve resolution. These data support the idea of a two-phase Younger Dryas, with the first interval (12,675 - 12,275 varve years BP) characterised by a still significant but gradually decreasing warm-season calcite precipitation and a second phase (12,275 - 11,640 varve years BP) with only weak calcite precipitation. Detailed correlation of these two phases with the Meerfelder Maar record based on the LST isochrone and independent varve counts provides clues about regional differences and seasonal aspects of YD climate change along a transect from a location proximal to the North Atlantic in the west to a more continental site in the east. |
format |
Other/Unknown Material |
author |
Neugebauer, Ina Brauer, Achim Dräger, Nadine Dulski, Peter Wulf, Sabine Plessen, Birgit Mingram, Jens Herzschuh, Ulrike Brande, Arthur |
author_facet |
Neugebauer, Ina Brauer, Achim Dräger, Nadine Dulski, Peter Wulf, Sabine Plessen, Birgit Mingram, Jens Herzschuh, Ulrike Brande, Arthur |
author_sort |
Neugebauer, Ina |
title |
Palaeolake Rehwiese, NE-Germany, Younger Dryas varved data set RW09 |
title_short |
Palaeolake Rehwiese, NE-Germany, Younger Dryas varved data set RW09 |
title_full |
Palaeolake Rehwiese, NE-Germany, Younger Dryas varved data set RW09 |
title_fullStr |
Palaeolake Rehwiese, NE-Germany, Younger Dryas varved data set RW09 |
title_full_unstemmed |
Palaeolake Rehwiese, NE-Germany, Younger Dryas varved data set RW09 |
title_sort |
palaeolake rehwiese, ne-germany, younger dryas varved data set rw09 |
publisher |
PANGAEA |
publishDate |
2011 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.772961 https://doi.org/10.1594/PANGAEA.772961 |
op_coverage |
LATITUDE: 52.413880 * LONGITUDE: 13.182833 |
long_lat |
ENVELOPE(13.182833,13.182833,52.413880,52.413880) |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_source |
Supplement to: Neugebauer, Ina; Brauer, Achim; Dräger, Nadine; Dulski, Peter; Wulf, Sabine; Plessen, Birgit; Mingram, Jens; Herzschuh, Ulrike; Brande, Arthur (2011): A Younger Dryas varve chronology from the Rehwiese palaeolake record in NE-Germany. Quaternary Science Reviews, 36, 91-102, https://doi.org/10.1016/j.quascirev.2011.12.010 |
op_relation |
https://doi.pangaea.de/10.1594/PANGAEA.772961 https://doi.org/10.1594/PANGAEA.772961 |
op_rights |
CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1594/PANGAEA.77296110.1016/j.quascirev.2011.12.010 |
_version_ |
1810464489952247808 |