dive_core_no dive_no core_no depth_target shipfix_lat shipfix_lon subfix_lat subfix_lon month day year cruise_id depth_core CH4 d13C_CH4 DIC d13C_DIC sulfate 4490-26 4490 26 2010 27.0077 -111.4085 27.0077 -111.4088 12 14 2008 AT15-40 0 nd nd nd nd 23.80 4490-26 4490 26 2010 27.0077 -111.4085 27.0077 -111.4088 12 14 2008 AT15-40 1 0.70 -16.75 5.89 -17.39 23.31 4490-26 4490 26 2010 27.0077 -111.4085 27.0077 -111.4088 12 14 2008 AT15-40 3 0.52 -16.83 8.49 -19.88 22.69 4490-26 4490 26 2010 27.0077 -111.4085 27.0077 -111.4088 12 14 2008 AT15-40 5 0.28 -21.70 8.88 -19.64 nd