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Conductivity, Temperature and Depth (CTD) data from ALPHA HELIX from Chukchi Sea and other northern seas from 1992-03-16 to 1992-10-27 (NCEI Accession 9300161)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: October 04, 2025 | Last Modified: 2024-10-18T00:00:00.000+00:00
The Conductivity, Temperature and Depth (CTD) and other data were collected in Gulf of Alaska, Chukchi Sea, and NW Pacific (limit-180). Data was collected from cruises HX 161, HX 163, HX 165 and HX 167 of R/V ALPHA HELIX. The data was collected over a period spanning from March 16, 1992 to October 27, 1992. Data was submitted in one exabyte cassette by Dr. Thomas C. Royer, Institute of Marine Science, University of Alaska, Fairbanks, AK. CTD data is available in F022-CTD-Hi Resolution file format of NODC. The F022 format contains high-resolution data collected using CTD (conductivity-temperature-depth) and STD (salinity-temperature-depth) instruments. As they are lowered and raised in the oceans, these electronic devices provide nearly continuous profiles of temperature, salinity, and other parameters. Data values may be subject to averaging or filtering or obtained by interpolation and may be reported at depth intervals as fine as 1m. Cruise and instrument information, position, date, time and sampling interval are reported for each station. Environmental data at the time of the cast (meteorological and sea surface conditions) may also be reported. The data record comprises values of temperature, salinity or conductivity, density (computed sigma-t), and possibly dissolved oxygen or transmissivity at specified depth or pressure levels. Data may be reported at either equally or unequally spaced depth or pressure intervals. A text record is available for comments.

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9300161 AIR TEMPERATURE - DRY BULB AIR TEMPERATURE - WET BULB BAROMETRIC PRESSURE cloud amount/frequency cloud type CONDUCTIVITY DISSOLVED OXYGEN HYDROSTATIC PRESSURE OXYGEN SALINITY SEA STATE SIGMA-T TRANSMISSIVITY VISIBILITY water depth WATER TEMPERATURE WEATHER WIND DIRECTION WIND SPEED CTD meteorological sensor Secchi disk transmissometer physical profile RV Alpha Helix University of Alaska Fairbanks, Institute of Marine Science University of Alaska Fairbanks, Institute of Marine Science Gulf of Alaska - 1 (GAK1) Arctic Ocean Beaufort Sea Bering Sea Chukchi Sea Gulf of Alaska Northwest Pacific Ocean (limit-180) oceanography DOC/NOAA/NESDIS/NODC > National Oceanographic Data Center, NESDIS, NOAA, U.S. Department of Commerce UAK-F/SFOS/IMS > Institute of Marine Science, School of Fisheries and Ocean Sciences, University of Alaska Fairbanks EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC PRESSURE 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 > OCEANS > BATHYMETRY/SEAFLOOR TOPOGRAPHY > WATER DEPTH EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > OXYGEN EARTH SCIENCE > OCEANS > OCEAN OPTICS EARTH SCIENCE > OCEANS > OCEAN OPTICS > ATTENUATION/TRANSMISSION EARTH SCIENCE > OCEANS > OCEAN PRESSURE > WATER PRESSURE EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE EARTH SCIENCE > OCEANS > OCEAN WAVES > SEA STATE EARTH SCIENCE > OCEANS > SALINITY/DENSITY > CONDUCTIVITY EARTH SCIENCE > OCEANS > SALINITY/DENSITY > DENSITY EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY CTD > Conductivity, Temperature, Depth SECCHI DISKS > SECCHI DISKS TRANSMISSOMETERS Ships ALPHA HELIX (call sign: WSD7078, ICES code: 31HX, 1966-) OCEAN > ARCTIC OCEAN OCEAN > ARCTIC OCEAN > BEAUFORT SEA OCEAN > ARCTIC OCEAN > CHUKCHI SEA OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN > BERING SEA OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN > GULF OF ALASKA

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