Optically stimulated luminescence dating of large storm events in Northern Scotland |
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| Institution: | 1. Department of Geography and Topographic Science, University of Glasgow, Glasgow G12 8QQ, Scotland, UK;2. SUERC, Scottish Enterprise Technology Park, Rankine Ave, East Kilbride G75 0QF, Scotland, UK;3. Department of Archaeology, University of Glasgow, Glasgow G12 8QQ, Scotland, UK;1. Department of Physics, National Institute of Technology, Raipur 492 010, India;2. Department of Physics, Shri Shankaracharya Institute of Professional Management and Technology, Raipur 492 015, India;3. School of Studies in Electronics and Photonics, Pt. Ravishankar Shukla University, Raipur 492 010, India;1. Department of Materials Engineering, Tarbiat Modares University, Tehran, Iran;2. Department of Materials Engineering, Malek-Ashtar University of Technology (MUT), Iran;1. Government Institute of Science, Nagpur, India;2. R.T.M Nagpur University, Nagpur, India;3. Radiological Protection and Advisory Division, BARC, Mumbai, India;1. Department of Physics, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia;2. Department of Physics, Rabigh College of Science & Arts, King Abdulaziz University, 21911 Rabigh, Saudi Arabia;3. Department of Oncology and Radiation Therapy, Hospital Sultan Ismail, Johor Barhu, Malaysia |
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| Abstract: | Climate changes over the Holocene have directly impacted on both coastal processes and human use of coastal areas. This paper presents results from the dating of wind blown sand deposits collected from coastal and archaeological sites in Northern Scotland. Archaeological remains are frequently found interspersed with sand deposits and represent distinct periods of occupation of settlement sites within the local landscapes. In some cases storm events sufficiently inundate the sites with sand to result in periodic abandonment. Storm events can also have dramatic results on adjacent rock coastlines, with storm boulder ridges emplaced by large waves, burying sand deposits on cliff-top sites. Work has been undertaken using a quartz SAR protocol to date sand deposition at two archaeological sites in Orkney and a cliff-top site in Shetland. These dates provide chronological information, which help to construct regional chronologies of climatic instability and environmental change and allow the SAR-OSL method to be assessed as an accurate sediment dating tool in this context. |
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