Filename:  chn.nbp0104
Datatype:  ascii, tab delimited
Columns:  1 - year
2 - station description
3 - consecutive station number
4 - grid line
5 - grid station
6 - decimal day (GMT)
7 - latitude (degrees South)
8 - longitude (degrees West)
9 - event number
10 - CTD number
11 - depth (m)
12 - micrograms particulate organic carbon / l
13 - micrograms particulate organic nitrogen / l
All values have been corrected for a filter with filtered seawater blank value of:  10.32 ug for POC and 1.59 ug for PON.