cruise_id  date_start  depth  dark_DIC_assim  dark_DIC_assim_sd  bac_net_productivity  bac_net_productivity_sd  
CAR212_3   5/12/2014   25     1.62            0.39               17.7                  2.53                     
CAR212_3   5/12/2014   101    0.33            0.09               1.36                  0.11                     
CAR212_3   5/12/2014   175    0.37            0.09               0.8                   0.06                     
CAR212_3   5/12/2014   196    0.78            0.46               0.45                  0.04                     
CAR212_3   5/12/2014   225    0.55            0.08               0.74                  0.35                     
CAR212_3   5/12/2014   243    0.36            0.1                0.46                  0.08                     
CAR212_3   5/12/2014   260    0.62            0.12               0.37                  0.03                     
CAR212_3   5/12/2014   275    0.42            0.07               0.57                  0.04                     
CAR212_3   5/12/2014   286    0.5             0.05               1.11                  0.5                      
CAR212_3   5/12/2014   291    6.52            0.6                1.76                  1.61                     
CAR212_3   5/12/2014   310    11.9            2.06               1.67                  0.71                     
CAR212_3   5/12/2014   320    12.12           1.15               1.35                  0.06                     
CAR212_3   5/12/2014   336    0.22            0.07               0.72                  0.63                     
CAR212_3   5/12/2014   352    0.56            0.29               0.56                  0.34                     
CAR212_3   5/12/2014   402    0.08            0.05               0.73                  0.46                     
CAR212_3   5/12/2014   502    0.03            0.03               0.08                  0.01                     
CAR212_3   5/12/2014   900    0               0.01               0.08                  0                        
CAR212_3   5/12/2014   1300   0               0                  0.08                  0.01