Data has been processed by NODC to the NODC standard Bathythermograph (XBT) (C116) format. The C116/C118 format contains temperature-depth profile data obtained using expendable bathythermograph (XBT) instruments. Cruise information, position, date and time were reported for each observation. The data record was comprised of pairs of temperature-depth values. Unlike the MBT Data File, in which temperature values were recorded at uniform 5 m intervals, the XBT data files contained temperature values at non-uniform depths. These depths were recorded at the minimum number of points ("inflection points") required to accurately define the temperature curve. Standard XBTs can obtain profiles to depths of either 450 or 760 m. With special instruments, measurements can be obtained to 1830 m. Prior to July 1994, XBT data were routinely processed to one of these standard types. XBT data are now processed and loaded directly in to the NODC Ocean Profile Data Base (OPDB). Historic data from these two data types were loaded into the OPDB.

Productivity and chemistry data were collected on USNS ELTANIN cruises to the Antarctic region between 1965 and 1969. Data were collected on cruises 20-21, 23-28, and 32-36.

The Ocean Serial data in this accession was collected from "Station 27" between 1946-1994. Oceanographic Station Data contain physical and chemical oceanographic data recorded at discrete depth levels. The Oceanographic Station Data observations were made using multi-bottle Nansen casts or other types of water samplers. The data containing 12,647 records was submitted to NODC by Charles Fitzpatrick at NW Atlantic Fisheries Center, St. Johns, Newfoundland, Canada. The data was collected between June 23, 1946 and June 23, 1994 using multiple ships from multiple countries.

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The data in this accession were collected from ship EL PASO between November 6, 1994 and November 11, 1994. The real time data of water temperature at varying depth bathythermograph (XBT) was recorded in stripcharts by the US Navy. Radio logs are forms that contain time, weather latitude/longitude, vessel id, ship id, etc. These are radioed every two hours to some military center. One line per strip chart. Some strip charts have time /date /ship id /latitude /longitude annotated on the strip chart. Thirty Three stripcharts and radio logs were submitted to NODC.

Oceanographic Station Data and temperature profiles were collected from bottle and XBT casts from the COCHRANE and other platforms from 28 October 1973 to 29 January 1975. Data were collected by the US Navy and other institutions as part of the International Decade of Ocean Exploration / Controlled Ecosystem Pollution Experiment (IDOE/CEPEX). Data were processed by NODC to the NODC standard Oceanographic Station Data (SD2) and Universal bathythermograph Output (UBT) formats. The Oceanographic Station Data format contains physical-chemical oceanographic data recorded at discrete depth levels. Most of the observations were made using multi-bottle Nansen casts or other types of water samplers. A small amount (about 5 percent) were obtained using electronic CTD conductivity-temperature-depth) or STD (salinity-temperature-depth) recorders. The CTD/STD data were reported to NODC at depth levels equivalent to Nansen cast data, however, and have been processed and stored the same as the Nansen data. Cruise information (e.g., ship, country, institution), position, date, and time, and reported for each station. The principal measured parameters are temperature and salinity, but dissolved oxygen, phosphate, total phosphorus, silicate, nitrate, nitrite, and pH may be reported. Meteorological conditions at the time of the cast (e.g., air temperature and pressure, wind, waves) may also be reported, as well as auxiliary data such as water color (Forel-Ule scale), water transparency (Secchi disk depth), and depth to bottom. Values of density (sigma-t), sound velocity, and dynamic depth anomaly are computed from measured parameters. Each station contains the measurements taken at the observed depth levels, but also includes data values interpolated to a set of standard depth levels. The UBT format contains temperature-depth profile data obtained using expendable bathythermograph (XBT) instruments. Cruise information, position, date and time were reported for each observation. The data records are comprised of pairs of temperature-depth values. The XBT data files contain temperature values at non-uniform depths. These depths were recorded at the minimum number of points ("inflection points") required to accurately define the temperature curve. Standard XBTs can obtain profiles to depths of 450 m or 760 m. Special instruments permitted measurements to 1830 m.

Primary production, temperature, meteorological, and other data were collected from the CHAIN in the North Atlantic and other locations from 08 December 1958 to 16 April 1968. Data include profiles of temperature, salinity, pH, and rates of primary production. Data also include concentration profiles of oxygen, particulate organic carbon, phosphate, total phosphate, nitrate, nitrite, silicate, ammonia, and chlorophyll a. Data were submitted by the Woods Hole Oceanographic Institute (WHOI) and are in a comma separated value (.csv) format.

This dataset includes CTD and Bottle data, from mostly French platforms, and provided by IFREMER, including 31 CTD data files with 1537 stations from 1987 to 2003, 31 Bottle data files with 1467 stations from 1990 to 2002, and 37 Historical Bottle data files with 1300 stations from 1964 to 1973. All data files are in the MEDATLAS format. The historical files were digitilized in 2003 by IFREMER from the original paper data.

This dataset contains contains chlorophyll data collected from 1958-1988 using multiple ships. Marine pigments, productivity, and associated chemistry data were collected in NE Atlantic (limit-40 W) and NW Atlantic (limit-40 W) as part of the Joint Global Ocean Flux Study (JGOFS). This data base has approx. 12,000 stations in JGOFS format. Any particulars on the station data can be found in JGR-Oceans, 97:2279-2293; titled The Remote Sensing of Ocean Primary Productivity. Data was submitted by William Balch, Rosenstiel School of Marine and Atmospheric Science (RSMAS), University of Miami. Also, these data have been copied onto CD-Rom at Goddard for distribution with the CZCS.

The data in this accession were collected in NW Pacific (limit-180) from ship EL PASO between February 10, 1995 and March 1, 1995. The real time data of water temperature at varying depth bathythermograph (XBT) was recorded in stripcharts by the US Navy. Radio logs are forms that contain time, weather latitude/longitude, vessel id, ship id, etc. These are radioed every two hours to some military center. One line per strip chart. Some strip charts have time /date /ship id /latitude /longitude annotated on the strip chart. Fifty four stripcharts and radio logs were submitted to NODC.