event cast cycle date event_lat event_lon depth sample nitrate NO3_uptake 57 6 1 06252010 9.65582 -86.8697 2 2-1 0.000479 0.068037 57 6 1 06252010 9.65582 -86.8697 12 2-1 0.036909 0.002705 57 6 1 06252010 9.65582 -86.8697 20 2-3 0.261424 0.140589 57 6 1 06252010 9.65582 -86.8697 30 2-4 14.201192 0.041794 57 6 1 06252010 9.65582 -86.8697 40 2-5 19.171286 0.008670 57 6 1 06252010 9.65582 -86.8697 55 2-6 27.655024 0.004532 57 6 1 06252010 9.65582 -86.8697 70 2-7 31.225519 0.005147 57 6 1 06252010 9.65582 -86.8697 90 2-8 33.181006 0.006457