Bathythermograph (XBT), ocean station, selected depth bathythermograph (SBT) data from MEIRING NAUDE, R/K FRAAY, and R/K FRANK HARVEY in the Indian Ocean from 1966-01-19 to 1979-03-23 (NCEI Accession 8200037)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: January 26, 2026 | Last Modified: 2023-02-08T00:00:00.000+00:00

This data set consists of Bathythermograph data extracted from a tape of physical oceanographic data submitted by the National Research Institute of Oceanography (South Africa). The data were collected on the MEIRING NAUDE from February 1968 to March 1979 (L00897), the FRAAY from June 1966 to September 1967 (L00898) and the FRANK HARVEY on january 1966 (L00899). The Nansen bottle data was processed by NODC. Data has been processed by NODC to the NODC standard Bathythermograph (XBT) (C116), 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 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 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.

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description	This data set consists of Bathythermograph data extracted from a tape of physical oceanographic data submitted by the National Research Institute of Oceanography (South Africa). The data were collected on the MEIRING NAUDE from February 1968 to March 1979 (L00897), the FRAAY from June 1966 to September 1967 (L00898) and the FRANK HARVEY on january 1966 (L00899). The Nansen bottle data was processed by NODC. Data has been processed by NODC to the NODC standard Bathythermograph (XBT) (C116), 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 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 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.
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identifier	gov.noaa.nodc:8200037
issued	1982-01-01T00:00:00.000+00:00
keyword	[ "8200037", "AIR TEMPERATURE", "AIR TEMPERATURE - DRY BULB", "AIR TEMPERATURE - WET BULB", "AMMONIA (NH3)", "BAROMETRIC PRESSURE", "CARBON - TOTAL ORGANIC", "CHLOROPHYLL A", "cloud amount/frequency", "cloud type", "CONDUCTIVITY", "DISSOLVED ORGANIC CARBON", "DISSOLVED OXYGEN", "DYNAMIC DEPTH ANOMALY", "HYDROCARBONS - TOTAL RESOLVED", "HYDROSTATIC PRESSURE", "NITRATE", "NITRITE", "OXYGEN", "pH", "PHAEOPIGMENTS", "phosphate", "POLYCHLORINATED BIPHENYLS", "SALINITY", "SEA STATE", "Secchi depth", "SIGMA-T", "silicate", "SOLAR RADIATION - ATMOSPHERIC", "SOUND VELOCITY", "suspended solids", "TIDE HEIGHT", "TIDE STAGE", "total alkalinity", "TOTAL CARBON", "TOTAL PHOSPHORUS", "turbidity", "WATER COLOR", "WATER DENSITY", "water depth", "WATER TEMPERATURE", "WAVE HEIGHT", "WAVE PERIOD", "WEATHER", "WIND DIRECTION", "WIND FORCE", "WIND SPEED", "ZOOPLANKTON BIOMASS", "bathythermograph - BT", "bathythermograph - XBT", "bottle", "CTD", "meteorological sensor", "Secchi disk", "tide gauge", "physical", "profile", "MEIRING NAUDE", "R/K FRAAY", "R/K FRANK HARVEY", "National Research Institute for Oceanology", "National Research Institute for Oceanology", "Indian Ocean", "Mozambique Channel", "oceanography", "DOC/NOAA/NESDIS/NODC > National Oceanographic Data Center, NESDIS, NOAA, U.S. Department of Commerce", "EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC PRESSURE", "EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC RADIATION > INCOMING SOLAR RADIATION", "EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC TEMPERATURE", "EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC TEMPERATURE > SURFACE TEMPERATURE > AIR TEMPERATURE", "EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WINDS > SURFACE WINDS > WIND DIRECTION", "EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WINDS > SURFACE WINDS > WIND SPEED", "EARTH SCIENCE > ATMOSPHERE > CLOUDS > CLOUD PROPERTIES > CLOUD FREQUENCY", "EARTH SCIENCE > ATMOSPHERE > CLOUDS > CLOUD TYPES", "EARTH SCIENCE > BIOSPHERE > ECOSYSTEMS > AQUATIC ECOSYSTEMS > PLANKTON > ZOOPLANKTON", "EARTH SCIENCE > OCEANS > BATHYMETRY/SEAFLOOR TOPOGRAPHY > WATER DEPTH", "EARTH SCIENCE > OCEANS > OCEAN ACOUSTICS > ACOUSTIC VELOCITY", "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY", "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > ALKALINITY", "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > AMMONIA", "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CARBON", "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CHLOROPHYLL", "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > HYDROCARBONS", "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > NITRATE", "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > NITRITE", "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > ORGANIC CARBON", "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > OXYGEN", "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PH", "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PHOSPHATE", "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PIGMENTS > CHLOROPHYLL", "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > SILICATE", "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > SUSPENDED SOLIDS", "EARTH SCIENCE > OCEANS > OCEAN OPTICS > OCEAN COLOR", "EARTH SCIENCE > OCEANS > OCEAN OPTICS > SECCHI DEPTH", "EARTH SCIENCE > OCEANS > OCEAN OPTICS > TURBIDITY", "EARTH SCIENCE > OCEANS > OCEAN PRESSURE > WATER PRESSURE", "EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE", "EARTH SCIENCE > OCEANS > OCEAN WAVES > SEA STATE", "EARTH SCIENCE > OCEANS > OCEAN WAVES > WAVE HEIGHT", "EARTH SCIENCE > OCEANS > OCEAN WAVES > WAVE PERIOD", "EARTH SCIENCE > OCEANS > SALINITY/DENSITY > CONDUCTIVITY", "EARTH SCIENCE > OCEANS > SALINITY/DENSITY > DENSITY", "EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY", "EARTH SCIENCE > OCEANS > TIDES", "EARTH SCIENCE > OCEANS > TIDES > TIDAL HEIGHT", "BATHYTHERMOGRAPHS", "CTD > Conductivity, Temperature, Depth", "SECCHI DISKS > SECCHI DISKS", "TIDE GAUGES > TIDE GAUGES", "XBT > Expendable Bathythermographs", "Ships", "FRAAY R/K (ICES code: 91FR)", "FRANK HARVEY R/K (ICES code: 91FH)", "MEIRING NAUDE (call sign: ZSAE, ICES code: 91MN)", "OCEAN > INDIAN OCEAN" ]
landingPage	https://www.ncei.noaa.gov/contact
language	[]
license	https://creativecommons.org/publicdomain/zero/1.0/
modified	2023-02-08T00:00:00.000+00:00
publisher	{ "name": "NOAA National Centers for Environmental Information", "@type": "org:Organization" }
references	[ "https://www.ncei.noaa.gov/archive/accession/0189890" ]
rights	otherRestrictions
spatial	38.49,-33.23,30.18,-26.18
temporal	1966-01-19T00:00:00+00:00/1979-03-23T00:00:00+00:00
title	Bathythermograph (XBT), ocean station, selected depth bathythermograph (SBT) data from MEIRING NAUDE, R/K FRAAY, and R/K FRANK HARVEY in the Indian Ocean from 1966-01-19 to 1979-03-23 (NCEI Accession 8200037)

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