Data Package Descriptions
7.1 File Content and Format Descriptions
This section describes the content and format of each of the data files that constitute NDP-082 (see Table 7).
Table 7. Content, Size, and Format of Data Files
| File number, name, and description | File size in bytes | |
|---|---|---|
| 12. | A detailed description of the cruise network, and oceanographic data files in simple text and PDF formats | |
| ndp082.txt | 106,779 | |
| ndp082.pdf | 5,101,440 | |
| 36. | A listing of the station locations, sampling dates, and sounding bottom depths for each station of WOCE Sections A20, A22, A24, and AR24 in the original WOCE format | |
| a20sta.dat | 7,838 | |
| a22sta.dat | 6,926 | |
| a24sta.dat | 12,702 | |
| ar24sta.dat | 15,438 | |
| 710. | Hydrographic, carbon dioxide, and chemical data from all stations occupied on WOCE Sections A20, A22, A24, and AR24. The files are reported in the original WOCE format | |
| a20.dat | 476,060 | |
| a22.dat | 403,860 | |
| a24.dat | 657,510 | |
| ar24.dat | 598,397 | |
| 1114. | Hydrographic, carbon dioxide, and chemical data from all stations occupied on WOCE Sections A20, A22, A24, and AR24. The files are provided as WOCE exchange format files [comma-separated value (CSV) files]. | |
| a20_hy1.csv | 857,377 | |
| a22_hy1.csv | 701,706 | |
| a24_hy1.csv | 1,050,215 | |
| ar24_hy1.csv | 932,634 | |
| 15. | The Ocean Data View spread sheet data file. The file consists of data from all four sections of the North Atlantic survey | |
| NA_ODV_data.txt | 2,410,877 | |
| Total size | 13,339759 | |
7.2 Description of Variables
| The station inventory file (*sta.dat) variables are defined as follows: | ||
|---|---|---|
| EXPOCODE | Character (A10) | expedition code of the cruise |
| SECT | Character (A4) | WOCE section number |
| STNBR | Numeric (I3) | station number |
| CAST | Numeric (I1) | cast number |
| DATE | Character (A10) | sampling date (month/day/year) |
| TIME | Character (A4) | sampling time [Greenwich mean time (GMT)] |
| LATITUDE | Numeric (F7.3) | latitude of the station (in decimal degrees; negative values indicate the Southern Hemisphere) |
| LONGITUDE | Numeric (F8.3) | longitude of the station (in decimal degrees; negative values indicate the Western Hemisphere) |
| DEPTH | Numeric (I4) | sounding depth of the station (in meters) |
| The data file (*.dat) variables are defined as follows: | ||
| STNBR | Numeric (I3) | station number |
| CASTNO | Numeric (I1) | cast number |
| SAMPNO | Numeric (I2) | sample number |
| BTLNBRa | Numeric (I2) | bottle number |
| CTDPRS | Numeric (F7.1) | CTD pressure (dbar) |
| CTDTMP | Numeric (F7.4) | CTD temperature (°C) |
| CTDSALa | Numeric (F7.4) | CTD salinity |
| CTDOXYa | Numeric (F7.1) | CTD oxygen (μmol/kg) |
| THETA | Numeric (F7.4) | potential temperature (°C) |
| SALNTYa | Numeric (F9.4) | bottle salinity |
| OXYGENa | Numeric (F7.1) | oxygen concentration (μmol/kg) |
| SILCATa | Numeric (F7.2) | silicate concentration (μmol/kg) |
| NITRATa | Numeric (F7.2) | nitrate concentration (μmol/kg) |
| NITRITa | Numeric (F7.2) | nitrite concentration (μmol/kg) |
| PHSPHTa | Numeric (F7.2) | phosphate concentration (μmol/kg) |
| CFC-11a | Numeric (F8.3) | chlorofluorocarbon 11 (picamole/kg) |
| CFC-12a | Numeric (F8.3) | chlorofluorocarbon 12 (picamole/kg) |
| TCARBNa | Numeric (F7.1) | total carbon dioxide concentration (μmol/kg) |
| ALKALIa | Numeric (F7.1) | total alkalinity (μmol/kg) |
| PCO2a | Numeric (F7.1) | partial pressure of CO2 (μatm) |
| PHa | Numeric (F8.3) | pH |
| QUALT1 | Character (A15) | 15-digit character variable that contains data-quality flag codes for parameters underlined with asterisks (*******) in the file header |
aVariables that are underlined with asterisks in the data files 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 |
| 9 | = | sample not drawn for this measurement from this bottle |
Last modified: 2025-11-13T18:19:59Z
