δ¹³C values of organic matter in the Arabian Sea oxygen minimum zone

Datasets containing the δ¹³Cvalues of organic carbon in the Arabian Sea OMZ: water column SPM from 20 m to 2000 m depth (including the OMZ), sediments deposited at 10 different depths from 900 to 3000 m (core-tops), and a profile of sediment deposited at 900 m depth (within the OMZ) to 36 cm below sea floor.