Holocene geochemical footprint from Semiarid alpine wetlands in southern Spain
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AuthorGarcía-Alix, Antonio; Jiménez-Espejo, Francisco José; Jiménez Moreno, Gonzalo; Toney, Jaime, L; Ramos-Román, María J.; Camuera, Jon; Delgado Huertas, Antonio; Martínez-Ruiz, Francisca; Queralt, Ignasi
GeoquímicaSierra Nevada (España)HolocenoEnvironmental impactGeochemistryLimnologyPalaeoclimate
García-Alix, A.; et al. Holocene geochemical footprint from Semi-arid alpine wetlands in southern Spain. Scientific Data, 5: 180024 (2018). [http://hdl.handle.net/10481/49851]
SponsorshipUniversidad de Granada. Departamento de Estratigrafía y Paleontología; Junta de Andalucía: Grupos de investigación RNM190 y RNM309; Junta de Andalucía: Proyecto P11-RNM-7332; España, Ministerio de Economía y Competitividad: Proyecto CGL2013-47038-R; Marie Curie Intra-European Fellowship of the 7th Framework Programme for Research, Technological Development and Demonstration of the European Commission: NAOSIPUK. Grant Number: PIEF-GA-2012-623027; Ramón y Cajal Fellowship: RYC-2015-18966; Small Research Grant by the Carnegie Trust for the Universities of Scotland
Here we provide the geochemical dataset that our research group has collected after 10 years of investigation in the Sierra Nevada National Park in southern Spain. These data come from Holocene sedimentary records from four alpine sites (ranging from ∼2500 to ∼3000 masl): two peatlands and two shallow lakes. Different kinds of organic and inorganic analyses have been conducted. The organic matter in the bulk sediment was characterised using elemental measurements and isotope-ratio mass spectrometry (EA-IRMS). Leaf waxes in the sediment were investigated by means of chromatography with flame-ionization detection and mass spectrometry (GC-FID, GC-MS). Major, minor and trace elements of the sediments were analysed with atomic absorption (AAS), inductively coupled plasma mass spectrometry (ICP-MS), as well as X-ray scanning fluorescence. These data can be reused by environmental researchers and soil and land managers of the Sierra Nevada National Park and similar regions to identify the effect of natural climate change, overprinted by human impact, as well as to project new management policies in similar protected areas.