Xia et al NEPO wtCaCO3%

The data file provides coordinates, depth, wtCaCO3% of the surface/coretop marine sediments in the Northeast Pacific Ocean and sources for the data. Compared with the last version (version 2), data from Lyle et al. (2019) for the EEP are added, and data from (Cetiner et al. 2025) and Site 138-845 for the Guatemala Basin are added.