cruise_id  date        station  lat     lon     depth  traps_per_depth  duration  PNsink_flux  PNsink_flux_sd  del15N_PNsink  del15N_PNsink_sd  
AT15-61    2010-02-01  1        -20     -80     100    1                35        0.317        nd              11.7           2.1               
AT15-61    2010-02-05  3        -19.59  -89.59  200    1                37        0.027        nd              13.7           nd                
AT15-61    2010-02-08  5        -19.59  -100    200    1                65        0.03         nd              11.1           0.1               
MV1104     2011-03-26  1        -20     -80     100    2                39        0.116        0.05            9.2            1.4               
MV1104     2011-04-19  13       -15     -82     100    2                38        0.153        0.06            13.2           2.3               
MV1104     2011-04-05  5        -20     -100    100    2                70        0.05         0.02            7.9            2.1