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Data has been processed by NODC to the NODC standard Bathythermograph (XBT Aircraft) (C118) 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.

The data in this accession were collected from USS THACH between September 8, 1994 and October 1, 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 five stripcharts and radio logs were submitted to NODC.

This dataset includes 1998 Royal Australian Navy XBT data, converted to AODC mk12_xbt format. This dataset is for the WOCE project.

Temperature profile data were collected using XBT casts from the AFRICAN COMET and other platforms in the Pacific Ocean, Indian Ocean, Atlantic Ocean, and more locations. Data were collected from 06 June 1974 to 12 November 1980. Data were collected by the US Navy; Ships of Opportunity and Farrell Lines with support from the Gulf of Mexico NOAA/NMFS Ships of Opportunity (SOOP) project. 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.

The data in this accession was collected using seventeen different ships during twenty four different cruises between July 16, 1971 and April 30, 1990. The real time data of water temperature at varying depth bathythermograph (XBT) was recorded in stripcharts by the US Navy. One box analog XBT'S and radio log sheets was submitted by Mr. Paul Stevens of Fleet Numerical Oceanography Center, Monterey, CA to NODC. The XBT data from these stripcharts have been digitized and is present in the current NODC data storage system in C116 file format.

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Physical, biological, current, and other data were collected from CTD, XBT, ADCP, bottle casts, net casts, and other instruments from the N. E. Atlantic Ocean in support of the OMEX 1 project from 01 April 1993 to 01 December 1995. CTD include temperature, salinity, porosity of sediments. Biological parameters include zooplankton species counts. XBT parameters include temperature profiles. ADCP parameters include current speed and direction.

This dataset contains XBT data collected from the J.M. GILLIS in the Gulf of Mexico from 1972-06-04 to 1972-06-16 and submitted by Rosenstiel School of Marine and Atmospheric Science, University of Miami. The data has been converted and is now available on line in C116 file format of NODC. The data type C116 contained 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. 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.

Physical and other data from bottle and XBT casts from the PUSAN-852 and other platforms from the Philippine Sea. Data were collected by the Maritime Safety Agency; Hydrographic Division (MSA) and other institutions from 17 January 1978 to 04 June 1988. Data were processed by NODC to the NODC standard Station Data II Output Format (SD2) and the Universal Bathythermograph Output Format (UBT). The SD2 file format is used for 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%), 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, position, date and time are reported for each station. Each station contains the measurements taken at 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 originators defined depths. Standard XBTs can obtain profiles to depths of either 450 or 760 m. Special instruments permit measurements to be obtained to 1830 m. The following was present in Abstract before current edit but digital data could not be located. The data consists of Geomagnetic ElectroKinetograph current (GEK) measurements collected by various ships in the Pacific ocean. Data has been processed by NODC to the NODC standard Bathythermograph XBT Selected Depths (SBT) (C125) and Ocean Station (C100) formats. The Oceanographic Station Data (C100) 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 and 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 (C125) 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. Depths are selected by the originator - usually at standard horizons or some fixed interval. Standard XBTs can obtain profiles to depths of either 450 or 760 m. Special instruments permitted measurements to be obtained to 1830 m.