EARTH SCIENCE > Paleoclimate > Paleoclimate Reconstructions > Sea Level Reconstruction
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Sediment trap and delta samples were taken from Moutonnee Lake on Alexander Island during the 2001-2002 field season. Samples were analysed for grain size, Carbon and Nitrogen content and isotopic Carbon content. Delta samples were also analysed for luminescence dating.
Isotopic analyses of lakewater samples from the Moutonnee, Ablation and Citadel Bastion Lakes, Antarctic Peninsula, 2001-2002
Isotopic analyses of oxygen, carbon and deuterium conducted on lakewater samples collected from Moutonnee, Ablation and Citadel Bastion Lakes on Alexander Island.
Analyses of snow and ice samples from the Moutonnee, Ablation and Citadel Bastion Lakes, Antarctic Peninsula, 2001-2002
Snow and ice samples were taken from Moutonnee, Ablation and Citadel Bastion lakes on Alexander Island. Isotopic analyses of Oxygen, Carbon and Deuterium were conducted on the samples.
Samples and analyses of sediment cores from Moutonnee, Ablation and Citadel Bastion Lakes, Antarctic Peninsula, 2001-2002
Sediment cores were collected from the 3 sites (approx. 6m from Moutonnee Valley, 2.5m from Ablation Valley and 5m from Citadel Bastion on Alexander Island). They were analysed for physical property data including: magnetic susceptibility, wet weight, loss on ignition, grain size, isotopic content, bulk carbon, CHN, diatom content, forams, Authigenic carbonate, radiocarbon ages, Strontium and Neodymium content, major, trace and rare earth elements of sediments and clasts and clast lithological analysis. Analyses were carried out at Durham and Edinburgh with isotopic analysis conducted at NIGL (NERC Isotopic Geoscience Laboratory).
Soil, rock and biological samples from the Moutonnee, Ablation and Citadel Bastion Lakes, Antarctic Peninsula, 2001-2002
The general reference data consists of soil, rock and biological samples. These were analysed for grain size, CHN and carbon isotopes.
Ice sheet model runs based on the Glimmer thermo-mechanical ice sheet model. Glacial modelling was used to simulate former WAIS (West Antarctic Ice Sheet) dynamics (specifically grounding line and ice volume changes) in the Weddell Sea embayment, constrained by newly acquired field data (see related datasets).
200+ erratic and bedrock samples were collected for cosmogenic isotope analysis, as well as several depth profiles of tills. Samples were collected from 11 sites along a 350km transect stretching from Pirrit Hills in the south to the ridge between Mt Bentley and Mt Hubley in the north. Most sites were on the western (West Antarctic Ice Sheet) side of the range but includes Flowers Hills on the east side of the range, adjacent to the Rutford Ice Stream. Throughout, the emphasis was on taking samples to allow dating of any changes in ice altitude/extent.
Accelerator Mass Spectrometry (AMS) measurements of cosmogenic isotopes were made from erratic and bedrock samples collected in the Ellsworth Mountains, 2005-2006. Pressed AMS targets were analysed at SUERC (Scottish Universities Environmental Research Centre) to yield exposure ages.
Powders, solutions and residues related to erratic and bedrock samples collected in the Ellsworth Mountains during the 2005-2006 field season. For each of the rock samples analysed in the lab, a (variable) number of laboratory stages are created, including sawing and crushing residues, pure quartz separates, chemical solutions, and AMS (Accelerator Mass Spectrometry) targets.
Glacial geomorphological data related to the Ellsworth Mountains, Weddell Sea embayment, collected 2005-2008
Glacial geomorphological data from the Ellsworth Mountains, Weddell Sea embayment. Satellite imagery and aerial photography, ground truthing, surveying and GPS traverses were used for geomorphological mapping. Additional photographic and weathering data were used to complement the field work. The project resulted in one of the most detailed geomorphological studies of any part of the WAIS (West Antarctic Ice Sheet), as well as the most comprehensive coverage for cosmogenic isotope analysis.