depth,n2,chla,zone
0,14.4764831,0.0982948,1
0.5,12.72859518,,1
1,14.46964328,0.084156986,1
1.5,16.4960948,,1
2,15.38171773,0.094208943,1
2.5,14.4764831,,1
3,15.03067485,0.07746893,1
3.5,11.72024493,,1
4,14.27738928,0.067571575,1
4.5,14.73418331,,1
5,13.27481578,0.050479019,1
5.5,14.49361098,,1
6,16.42091153,0.042412739,1
6.5,16.85470556,,1
7,11.97926853,0.038126355,1
7.5,13.33260775,,1
8,15.26289559,0.034371524,1
8.5,13.352954,,1
9,15.92563703,0.029748373,1
10,,0.028517125,
12,,0.028669974,
14,,0.025011155,