Dataset: Late Quaternary inundation and desiccation of Megalake Chad traced in dust records from the Equatorial Atlantic Ocean

These datasets are associated with the manuscript: Crocker, A.J., Kinsley, C.W., Jewell, A.M. et al., Late Quaternary inundation and desiccation of Megalake Chad traced in dust records from the Equatorial Atlantic Ocean. Quaternary Science Reviews (2025). Supplementary Table 1 - Radiogenic isotope signatures of North African terrestrial sediments: New neodymium and strontium isotope measurements of deflatable terrestrial sediments from various locations across North Africa. Compilation of sediment neodymium and strontium isotope signatures used to calculate North African dust Potential Source Areas (PSAs). Supplementary Table 2 - Downcore data from ODP Site 662 spanning 30,000-0 kyr BP: Neodymium isotope measurements of the isolated (carbonate free) terrigenous fraction 230Th-normalized terrigenous fluxes Oxygen isotopic signatures of benthic foraminifera (Cibicides wuellerstorfi) Ca and Fe elemental counts derived by X-ray fluorescence (XRF) core scanning Age-depth ties