event  cast  cycle  date      event_lat  event_lon   depth  sample  nitrate     NO3_uptake  
609    48    3      07112010  10.13649   -92.98494   2      10-1    0.859373    0.147170    
609    48    3      07112010  10.13649   -92.98494   12     10-2    0.899429    0.089935    
609    48    3      07112010  10.13649   -92.98494   20     10-3    10.440818   0.076226    
609    48    3      07112010  10.13649   -92.98494   30     10-4    27.478813   0.104591    
609    48    3      07112010  10.13649   -92.98494   45     10-5    29.564137   0.043659    
609    48    3      07112010  10.13649   -92.98494   60     10-6    30.539076   0.041770    
609    48    3      07112010  10.13649   -92.98494   80     10-7    31.241564   0.034975    
609    48    3      07112010  10.13649   -92.98494   100    10-8    31.836421   0.040548