Slowey and Curry (1995) Water Column 13C data

 13C  Depth m 

1.543  100
1.332  200
1.196  400
1.111  500
0.825  600
0.890  700
0.870  750
0.930  850
0.907  900
0.884  1000
1.054  1100
1.218  1400
1.01   1596