Calibrated high-resolution XRF core-scanning data of Holocene lake sediments from Lake Sidi Ali, Middle Atlas Morocco


The North African desert margin is considered one of the areas most sensitive to future climate changes. Improved knowledge about Holocene climatic variability and environmental responses on millennial to centennial scale will help to refine scenarios related to future climate changes. This data set presents calibrated XRF core scanning data (Ca, Sr, Fe, Mn, S, K, Ti) of a ~20 m long Holocene lake sediment sequence from Lake Sidi Ali located in the Middle Atlas, Morocco. The ITRAX core scanner measurements were obtained every 1 mm and calibrated with depth equal quantitative Spectro Xepos XRF data (see. Schmidt et al. 2023, doi:10.1594/PANGAEA.960365) using the multivariate log-ratio calibration model of Weltje et al. 2015 (doi:10.1007/978-94-017-9849-5_21). According to the 210Pb and pollen-based 14C chronology, the calibrated XRF scanning data have a c. annual temporal resolution.

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Creator Schmidt, Johannes ORCID logo; Tjallingii, Rik ORCID logo; Schneider, Birgit; Benkaddour, Abdelfattah; Mikdad, Abdeslam; Pichat, Sylvain; Fletcher, William J ORCID logo; Mischke, Steffen ORCID logo; Zielhofer, Christoph ORCID logo
Publisher PANGAEA
Publication Year 2023
Funding Reference Deutsche Forschungsgemeinschaft, Bonn Crossref Funder ID ZI721/9-3 Geomorphologische und ökologische Reaktionen auf rasche hydrologische Wechsel im Altasgebirge Marokkos während der letzten 30.000 Jahre / Geomorphological and environmental responses to rapid hydrological changes in the Atlas Mountains (Morocco) during the last 30,000 years
Rights Data access is restricted (moratorium, sensitive data, license constraints)
OpenAccess false
Language English
Resource Type Dataset
Format text/tab-separated-values
Size 178630 data points
Discipline Earth System Research
Spatial Coverage (-5.001 LON, 33.068 LAT); Middle Atlas, Morocco