Abstract
The total carbonate and thermoluminescence (TL) profiles of the GT89-3 Ionian sea sediment core have been measured in the upper 200 cm of the core spanning the last 3100 years in order to test the presence of the Gleissberg (80–90 yr) cycle in the two different time series recorded in the same archive. Two different sampling intervals respectively of 2.5 mm and 2 mm have been chosen for the measurements in order to obtain results independent from sampling effects in the time series. We have revealed the Gleissberg cycle at 83 and 92 yr in both records.
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Cini Castagnoli, G., Bonino, G. & Taricco, C. Solar magnetic and bolometric cycles recorded in sea sediments. Sol Phys 152, 309–312 (1994). https://doi.org/10.1007/BF01473220
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DOI: https://doi.org/10.1007/BF01473220