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Physical and chemical data collected from BT casts and other instruments from SAXON STAR in North Atlantic Ocean from 1975-04-23 to 1986-03-12 (NCEI Accession 8700036)
Physical and chemical data were collected using BT, MBT, XBT, and other instruments in the North Atlantic Ocean and other seas from SAXON STAR and other platforms. Data were collected from 23 April 1975 to 12 March 1986 by Deutsches Hydrographische Institut. Data has been processed by NODC to the NODC standard Bathythermograph (MBT) (C128), Bathythermograph (XBT) (C116), 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 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 C128 format is used for temperature-depth profile data obtained using the mechanical bathythermograph (MBT) instrument. The maximum depth of MBT observations is approximately 285 m. Therefore, MBT data are useful only in studying the thermal structure of the upper layers of the ocean. Cruise information, date, position, and time are reported for each observation. The data record comprises pairs of temperature-depth values. Temperature data in this file are recorded at uniform 5 m depth intervals.
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Physical, chemical, and other data from bottle and XBT casts from the DIAMOND SHOALS and other platforms as part of the Outer Continental Shelf - South Atlantic project from 1958-01-01 to 1975-10-18 (NCEI Accession 7700635)
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Physical, chemical, and other data from CTD and XBT casts from the DIAMOND SHOALS and other platforms. Data were collected by the United States Coast Guard and other institutions as part of the Outer Continental Shelf - South Atlantic project from 01 January 1958 to 18 October 1975. Data were processed by NODC to the NODC standard Station Data II Output Format (SD2) and the NODC standard Current Meter (Components) (F015) formats. 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 F015 format is used for time series measurements of ocean currents. These data are obtained from current meter moorings and represent Eulerian method of current measurement, i.e., the meters are deployed at a fixed point and measure flow past a sensor. Position, bottom depth, sensor depth, and meter characteristics are reported for each station. The data record comprises values of east-west (u) and north-south (v) current vector components at specified date and time. Current direction is defined as the direction toward which the water is flowing with positive directions east and north and negative directions west and south. Data values may be subject to averaging or filtering and are typically reported at 10-15 minute time intervals. Water temperature, pressure, and conductivity or salinity may also be reported. A text record is available for optional comments.
Temperature profile and water depth data collected from BT and XBT casts in the Northwest Atlantic Ocean from OCEANUS from 1981-01-17 to 1981-05-05 (NCEI Accession 8600391)
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Temperature profile and water depth were collected using BT and XBT casts from the OCEANUS in the Northwest Atlantic Ocean. Data were collected from 17 January 1981 to 05 May 1981 by U.S. Geological Survey; Woods Hole Oceanographic Institution (USGS) with support from the New England Continental Margin 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.
Temperature profile and water depth data collected from OCEANUS using BT and XBT casts in the Northwest Atlantic Ocean from 1981-09-29 to 1982-07-14 (NCEI Accession 8800145)
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Temperature profile and water depth data were collected using BT and XBT casts from the OCEANUS in the Northwest Atlantic Ocean. Data were collected from 29 September 1981 to 14 July 1982 by US Geological Survey in Woods Hole Oceanic Institution with support from the New England Shelf and Slope Program. 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.
Temperature profile and water depth data collected from BT and XBT casts in the North Atlantic Ocean from OLEANDER and other platforms from 1985-01-18 to 1985-12-17 (NCEI Accession 8600199)
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Temperature profile and water depth data were collected using BT and XBT casts from the OLEANDER and other platforms in the North Atlantic Ocean. Data were collected from 18 January 1985 to 17 December 1985 by National marine Fisheries Service; Narragansett Bay Laboratory with support from the Ships Of Opportunity Program (SOOP). 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.
Physical, biological, current, and other data 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 (NCEI Accession 0000172)
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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.
Temperature profile data collected using BT and XBT from the CHAIN from the Atlantic Ocean during the International Decade of Ocean Exploration / Mid-Ocean Dynamics Experiment (IDOE/MODE) project, 1973-06-06 to 1973-06-13 (NCEI Accession 7400724)
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Temperature profile data were collected using BT and XBT casts from CHAIN in the Atlantic Ocean from June 6, 1973 to June 13, 1973. Data were submitted by Harvard University as part of the International Decade of Ocean Exploration / Mid-Ocean Dynamics Experiment (IDOE/MODE) project. Data were processed by NODC to the NODC standard Universal Bathythermograph Output (UBT) format. 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 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.
Temperature profile and water depth data from BT and XBT casts in the Atlantic Ocean from USCGC POLAR SEA from 1983-12-14 to 1984-05-06 (NCEI Accession 8600108)
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Temperature profile and water depth data were collected using BT and XBT casts from the USCGC POLAR SEA in the Atlantic Ocean. Data were collected from 14 December 1983 to 06 May 1984 by Lamont - Doherty Geological Observatory of Columbia University and US Coast Guard with support from the Deep Freeze 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.
Temperature profile and water depth data collected from EISBAR and other platforms using BT and XBT casts in the Northwest Atlantic Ocean from 1976-11-15 to 1987-07-14 (NCEI Accession 8800193)
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Temperature profile and water depth data were collected using BT and XBT casts from the EISBAR and other platforms in the Northwest Atlantic Ocean. Data were collected from 15 November 1976 to 14 July 1987 by National Marine Fisheries Service (NMFS). 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.
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