_id project_name platform_name Cruise Station sample_date latitude (degrees_north) longitude (degrees_east) Longitude_east (degrees_east) Cast Bottle depth (m) sample_depth_m (m) NO2_um_l (um/l) NO2_result_value_qualifier NO3_um_l (um/l) NO3_result_value_qualifier SiOx_um_l (um/l) SiOx_result_value_qualifier PO4_Filt_um_l (um/l) PO4_Filt_result_value_qualifier NH4_um_l (um/l) NH4_result_value_qualifier DissInorgN_um_l (um/l) DissInorgN_result_value_qualifier Type o_18O_Per_mille (mille) o_18O_result_value_qualifier DIC_um_l DIC_result_value_qualifier TotAlk_l_um_l (um/l) TotAlk_l_result_value_qualifier SalinomSal_psu (PSU) SalinomSal_result_value_qualifier