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Techniques for the non-destructive and continuous analysis of sediment cores. Application in the Iberian continental margin
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Sediment sequences are the most valuable record of long-term environmental conditions at local, regional and/or global scales. Consequently, they are amongst the best archives of the climatic and oceanographic history of the Earth. In the last few decades a strong effort has been made, both in terms of quantity and quality, to improve our knowledge regarding the evolution of our planet from marine and lake sediment records, and also from other records such as ice cores. Such an effort requires reinforcing the geographical coverage and achieving the highest possible robustness in the reconstruction of past environments. Such a target requires the optimization of the time resolution of the records and reconstructions so that fast, high frequency shifts, such as those occurring nowadays due to the on-going global warming, can be disentangled. Beyond paleoenvironmental research, other disciplines have also contributed significantly to the fast growing number of sediment cores already available worldwide. Knowing the physical state and the chemical composition of sedimentary deposits is essential for land management purposes and for many industrial applications. A number of key technological developments are now allowing the acquisition for the first time of massive amounts of multiple parameters from sediment cores in a non-destructive, fast, continuous, repetitive and high-resolution form. In this paper we provide an overview of the state-of-the-art continuous and non-destructive analytical techniques used by the geoscientific community for the study of sediment cores and we present some examples of the application of these methods in several studies carried out around the Iberian Margin.
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FRIGOLA FERRER, Jaime I., CANALS ARTIGAS, Miquel and MATA, M. Pilar. Techniques for the non-destructive and continuous analysis of sediment cores. Application in the Iberian continental margin. Boletín Geológico y Minero. 2015. Vol. 126, num. 2-3, pags. 609-634. ISSN 0366-0176. [consulted: 9 of June of 2026]. Available at: https://hdl.handle.net/2445/163193