IODP Expedition 374 Bulk Density (GRA)

Authors: McKay, Robert M.; De Santis, Laura; Kulhanek, Denise K.; Ash, Jeanine L.; Beny, François; Browne, Imogen M.; Cordeiro de Sousa, Isabela M.; +24 Authors

doi: 10.5281/zenodo.6515751 , 10.5281/zenodo.6515752

IODP Expedition 374 Bulk Density (GRA)

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Abstract

Gamma ray attenuation (GRA) data were acquired using a Cs-137 collimated source and a sodium iodide (thallium), or NaI(Tl), scintillation detector. The signal was calibrated using water and aluminum standards to provide a proxy for bulk density. This measurement was performed by a sensor mounted on either the Whole-Round Multisensor Logger (WRMSL) or the Special Task Multisensor Logger (STMSL); which track was used for a given data set is indicated in the data.

Keywords

Antarctic Bottom Water, International Ocean Discovery Program, ocean chemistry, sea level, ice-rafted debris, Expedition 374, ice sheet, sea ice, IODP, JOIDES Resolution, Site U1523, Site U1524, Site U1521, Site U1522, Ross Sea, West Antarctic, Site U1525, deep biosphere, Antarctic water masses, climate and ocean change

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