p10dat.txt (File 7)

This file provides hydrographic, carbon dioxide, and chemical data for the 94 stations occupied during the R/V Thomas G. Thompson cruise along WOCE Section P10. Each line consists of a station number, cast number, sample number, bottle number, CTD pressure, CTD temperature, CTD salinity, CTD oxygen, potential temperature, bottle salinity, oxygen, silicate, nitrate, nitrite, phosphate, total CO2, total alkalinity, delta 14C, 14C error, and data-quality flags. The file is sorted by station number and pressure and can be read by using the following FORTRAN 90 code [contained in p10dat.for (File 3)]:

            CHARACTER qualt*12, bot*5
            INTEGER sta, cast, samp
            REAL pre, ctdtmp, ctdsal, ctdoxy, theta, sal, oxy, silca
            REAL nitrat, nitrit, phspht, tcarb, alkali, dc14, c14er 
     
            read (1, 10, end=999)sta, cast, samp, bot, pre, ctdtmp,
          1 ctdsal, ctdoxy, theta, sal, oxy, silca, nitrat, nitrit,
          2 phspht, tcarb, alkali, dc14, c14er, qualt
     
      10    format (5X, I3, 7X, I1, 6X, I2, 3X, A5, 1X, F7.1, 1X, F7.4,
          1 1X, F7.4, 1X, F7.1, 1X, F7.4, 1X, F9.4, 1X, F7.1, 1X, F7.2,
          2 1X, F7.2, 1X, F7.2, 1X, F7.2, 1X, F7.1, 1X, F7.1, 1X, F7.1,
          3 1X, F7.1, 1X, A12)

Stated in tabular form, the contents include the following:

Variable Variable type Variable width Starting column Ending column
sta Numeric 3 7 8
cast Numeric 1 16 16
samp Numeric 2 23 24
bot Numeric 5 28 32
pre Numeric 7 34 40
ctdtmp Numeric 7 42 48
ctdsal Numeric 7 50 56
ctdoxy Numeric 7 58 64
theta Numeric 7 66 72
sal Numeric 9 74 82
oxy Numeric 7 84 90
silca Numeric 7 92 98
nitrat Numeric 7 100 106
nitrit Numeric 7 108 114
phspht Numeric 7 116 122
tcarb Numeric 7 124 130
alkali Numeric 7 132 138
dc14 Numeric 7 140 146
c14er Numeric 7 148 154
qualt Character 12 156 167

sta  -  is the station number;
cast  -  is the cast number;
samp  -  is the sample number;
bot*  -  is the bottle number;
pre  -  is the CTD pressure (dbar);
ctdtmp  -  is the CTD temperature (°C);
ctdsal*  -  is the CTD salinity [on the Practical Salinity Scale (PSS)];
ctdoxy*  -  is the CTD oxygen (µmol/kg);
theta  -  is the potential temperature (°C);
sal*  -  is the bottle salinity (on the PSS);
oxy*  -  is the oxygen concentration (µmol/kg);
silca*  -  is the silicate concentration (µmol/kg);
nitrat*  -  is the nitrate concentration (µmol/kg);
nitrit*  -  is the nitrite concentration (µmol/kg);
phspht*  -  is the phosphate concentration (µmol/kg);
tcarb*  -  is the total carbon dioxide concentration (µmol/kg);
alkali*  -  is the total alkalinity concentration (µmol/kg);
dc14*  -  is the radiocarbon delta 14C (per mille);
c14er  -  is the error of delta 14C (percent);
qualt  -  is a 12-digit character variable that contains data-quality flag codes for parameters underlined with asterisks (*******) in the file header.

*Variables that are underlined with asterisks in the data file's header indicate they have a data-quality flag. Data-quality flags are defined as follows:

1  =  sample for this measurement was drawn from water bottle but analysis was not received;
2  =  acceptable measurement;
3  =  questionable measurement;
4  =  bad measurement;
5  =  not reported;
6  =  mean of replicate measurements;
7  =  manual chromatographic peak measurement;
8  =  irregular digital chromatographic peak integration;
9  =  sample not drawn for this measurement from this bottle.

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