Rare earth elements and hydrological data in the water column in the southwest Indian Ridge

Table S1. The results of the temperature, salinity, and density at the two sites Table S2. Field seawater hydrochemistry results Table S3. NASS-6 Standard material and duplicate sample test results (values in pmol/kg) Table S4. REY concentrations (pmol/kg) of seawater in the water column in southwest Indian Ridge