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2024-02-08T13:36:19Z
ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data
ISO 19115-2:2009(E)
Currents, Temperature, Salinity, and Sea Ice measurements from moorings in Barrow Canyon, Chukchi Sea, 2010-2015 (NCEI Accession 0160090)
2017-11-13
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NOAA National Centers for Environmental Information
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0160090
NOAA National Centers for Environmental Information
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Elizabeth Dobbins
University of Alaska Fairbanks; Institute of Marine Science (IMS/UAF)
eldobbins@alaska.edu
https://www.uaf.edu/cfos/research/institute-of-marine-scien/
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University of Alaska Fairbanks; Institute of Marine Science website
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University of Alaska Fairbanks; Institute of Marine Science (IMS/UAF)
https://www.uaf.edu/cfos/research/institute-of-marine-scien/
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University of Alaska Fairbanks; Institute of Marine Science website
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Elizabeth Dobbins
University of Alaska Fairbanks; Institute of Marine Science (IMS/UAF)
eldobbins@alaska.edu
https://www.uaf.edu/cfos/research/institute-of-marine-scien/
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Thomas J. Weingartner
University of Alaska Fairbanks; Institute of Marine Science (IMS/UAF)
tjweingartner@alaska.edu
https://www.uaf.edu/cfos/research/institute-of-marine-scien/
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Weingartner, Thomas
University of Alaska Fairbanks; Institute of Marine Science
https://www.uaf.edu/cfos/research/institute-of-marine-scien/
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University of Alaska Fairbanks; Institute of Marine Science website
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author
Statscewich, Hank
author
Stoudt, Chase
author
Dobbins, Elizabeth
University of Alaska Fairbanks; Institute of Marine Science
eldobbins@alaska.edu
https://www.uaf.edu/cfos/research/institute-of-marine-scien/
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University of Alaska Fairbanks; Institute of Marine Science website
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author
Hank Statscewich
University of Alaska Fairbanks; Institute of Marine Science (IMS/UAF)
hank.stats@alaska.edu
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From August 2010 – September 2012, six moorings (BC1 inshore to BC6 offshore), spaced ~13 km apart, spanned the head of Barrow Canyon, Chukchi Sea, Alaska. Each mooring contained an upward looking 300 or 600 kHz Teledyne ADCP and a temperature/conductivity/pressure (T/C/P) recorder (Seabird SBE-37 or SBE-19). Moorings BC-2 through BC-5 included bottom tracking for measuring ice keel depths and ice drift. Bottom-tracking was inactive on BC-1 and BC-6 because these included directional wave firmware. The T/C/P and ADCP were housed in a float situated ~4 m above bottom. BC1, the mooring nearest to the coast, was deployed in a water depth of 31 m with its instruments mounted 1-m above the bottom in a SeaSpider frame. The compact mooring design minimized damage from nearshore ice keels that can exceed 25 m depth. After recovering the array in 2012, we deployed a single mooring (BC2) in 3 succeeding years.
This data set was collected as one component of a project designed to provide an improved understanding of the physical oceanography of the northeastern Chukchi shelf and exchanges between the northeastern Chukchi and western Beaufort shelves and the adjacent basin.
The program used high-frequency, shore-based, surface current mapping radars (HFR), autonomous underwater vehicles (gliders), satellite-tracked drifters, year-round moored oceanographic instruments, meteorological buoys, and hydrographic data from shipboard measurements to measure the time-varying surface and sub-surface circulation and hydrography of the northeastern Chukchi and western Beaufort shelves and shelfbreak.
In aggregate, the results can be used to guide the development and evaluation of oil spill trajectory models and provide insights on processes relevant to the functioning of the marine ecosystem.
Related Funding Agency: Bureau of Ocean Energy Management
Related Funding Agency: Coastal Impact Assistance Program (CIAP) of the State of Alaska
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0160090
NCEI ACCESSION NUMBER
2017-02-08
publication
CURRENT SPEED - EAST/WEST COMPONENT (U)
CURRENT SPEED - NORTH/SOUTH COMPONENT (V)
HYDROSTATIC PRESSURE
ICE - COVERAGE
ICE - MOVEMENT - SPEED
SALINITY
WATER TEMPERATURE
theme
NODC DATA TYPES THESAURUS
ADCP
CTD - moored CTD
instrument
NODC INSTRUMENT TYPES THESAURUS
in situ
theme
NODC OBSERVATION TYPES THESAURUS
moorings
platform
NODC PLATFORM NAMES THESAURUS
University of Alaska Fairbanks; Institute of Marine Science
dataCentre
NODC COLLECTING INSTITUTION NAMES THESAURUS
University of Alaska Fairbanks; Institute of Marine Science
dataCentre
NODC SUBMITTING INSTITUTION NAMES THESAURUS
Chukchi Sea - NW Coast of Alaska
place
NODC SEA AREA NAMES THESAURUS
oceanography
theme
WMO_CategoryCode
2012-09-15
publication
UAK-F/SFOS/IMS > Institute of Marine Science, School of Fisheries and Ocean Sciences, University of Alaska Fairbanks
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Global Change Master Directory (GCMD) Data Center Keywords
2023
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Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA)
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EARTH SCIENCE > OCEANS > OCEAN CIRCULATION > OCEAN CURRENTS
EARTH SCIENCE > OCEANS > OCEAN PRESSURE > WATER PRESSURE
EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE
EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY
EARTH SCIENCE > OCEANS > SEA ICE > ICE EXTENT
EARTH SCIENCE > OCEANS > SEA ICE > SEA ICE MOTION
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ADCP > Acoustic Doppler Current Profiler
CTD > Conductivity, Temperature, Depth
instrument
Global Change Master Directory (GCMD) Instrument Keywords
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MOORINGS
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OCEAN > ARCTIC OCEAN > CHUKCHI SEA
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accessLevel: Public
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Cite as: Weingartner, Thomas; Statscewich, Hank; Stoudt, Chase; Dobbins, Elizabeth (2017). Currents, Temperature, Salinity, and Sea Ice measurements from moorings in Barrow Canyon, Chukchi Sea, 2010-2015 (NCEI Accession 0160090). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0160090. Accessed [date].
Distribution liability: NOAA and NCEI make no warranty, expressed or implied, regarding these data, nor does the fact of distribution constitute such a warranty. NOAA and NCEI cannot assume liability for any damages caused by any errors or omissions in these data. If appropriate, NCEI can only certify that the data it distributes are an authentic copy of the records that were accepted for inclusion in the NCEI archives.
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Use liability: NOAA and NCEI cannot provide any warranty as to the accuracy, reliability, or completeness of furnished data. Users assume responsibility to determine the usability of these data. The user is responsible for the results of any application of this data for other than its intended purpose.
eng; USA
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environment
oceans
-161.0816
-159.6667
70.8533
71.2045
2010-08-17
2015-08-10
Submission Package ID: BYWX9P
NOAA National Centers for Environmental Information
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6898.548
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NCEI Accession 0160090 v1.1 was published.
2017-11-13T15:38:12Z
NCEI Accession 0160090 v1.1
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https://www.ncei.noaa.gov/archive/accession/0160090/1.1
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NCEI Accession 0160090 v1.1
published 2017-11-13T15:38:12Z
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ADCP
ADCP
Acoustic Doppler Current Profiler
The Acoustic Doppler Current Profiler (ADCP) measures currents beneath a ship while underway. Sound signals sent from the moving ship bounce back to receivers aboard the ship. This provides a profile of water movement relative to the ship-precise modern navigation, allowing the ship's motion to be subtracted from the data. These devices are also used on moorings and profilers and, along with acoustic backscattering, measure animal biomass. Particles in the path of the sound waves, mostly plankton, reflect a small part of the sound energy back toward receivers, allowing researchers to make remote estimates of the sizes and numbers of animals present in the water column. Before the 1970's, the most technologically advanced instrument used to measure water velocity was known as a Doppler speed log. This evolved into the first commercial ADCP, produced in the mid-1970's, which used averaging. Later in the 1970's, the first vessel-mounted ADCP was developed to measure water velocity more accurately and to allow measurement in range cells over a depth profile.
As instruments evolved, so did new techniques in Doppler signal processing. Initially, Doppler speed logs used simple analog signal processing methods, which are still used in some commercial speed logs today. However, the first ADCPs incorporated analog-to-digital signal conversion over a narrow communication bandwidth. Around 1990, this technique was developed into broadband signal processing. Since then, broadband ADCPs have been able to generate very accurate, real-time velocity measurements.
CTD - moored CTD
CTD - moored CTD
CTD - moored CTD
moorings
entry created as MOORINGS OF UNITED STATES, but has been used as a generic MOORINGS entry.