depth,age,n2,chla,zone
0,2010,1.629119345,0.025074652,2
0.25,2003,1.526708044,,2
0.5,1997,1.727395792,0.019322313,2
0.75,1988,1.645311199,,2
1,1978,1.808652001,0.008394938,2
1.25,1969,1.783063084,,2
1.5,1960,1.729590828,0.007403655,2
1.75,1933,1.546209578,,2
2,1906,2.16844863,0.00591281,2
2.25,1878,1.883514253,,2
2.5,1851,1.633420449,0.005995325,2
2.75,1824,1.698699282,,2
3,1797,1.665624235,0.006897913,2
3.25,1770,1.759905755,,2
3.5,1743,1.837573503,0.0097236,2
3.75,1715,1.975424111,,2
4,1688,1.866865799,0.011246918,2
4.25,1661,2.131843653,,2
4.5,1634,1.982200647,0.019654391,2
4.75,1607,1.923197689,,2
5,1580,1.912210047,0.026749197,2
5.25,1552,2.263823182,,2
5.5,1525,2.075286305,0.044770984,2
5.75,1498,2.249026952,,1
6,1471,2.159808174,0.038955104,1
6.25,1444,2.228407189,,1
6.5,1417,1.888042909,0.037757949,1