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Dataset Overview | National Centers for Environmental Information (NCEI)

Documentation for University of Washington Seaglider records archived at NCEI (NCEI Accession 0092291)

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Seagliders are small (1.8m hull), reusable, long-range, and buoyancy-driven autonomous underwater vehicles (AUVs) designed to glide from the ocean surface to as deep as 1-km depth and back while collecting profiles of temperature, conductivity (hence salinity), dissolved oxygen, chlorophyll fluorescence, and optical backscatter at varying vertical resolutions.
Seagliders collect measurements along saw-tooth paths with a slope of 1:1-3.5 through the ocean at speeds through the water of about 20 cm/s. They are commanded remotely and report their data in near-real time via Iridium satellite data telemetry. They use GPS navigation at sea surface to dead reckon underwater toward commanded targets.
Differences between dead-reckoned and actual displacements permit estimation of the depth-averaged horizontal velocity. Estimates of geostrophic or cyclostrophic shear can be integrated vertically and referenced to the depth-averaged current to obtain sections of absolute geostrophic current with typical errors of the order of 0.01 m/s. The difference between observed and expected descent rate gives a profile of vertical velocity, showing internal wave and turbulent deep mixing activity.
  • Cite as: Eriksen, Charles; University of Washington (2012). Documentation for University of Washington Seaglider records archived at NCEI (NCEI Accession 0092291). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0092291. Accessed [date].
gov.noaa.nodc:0092291
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Distributor NOAA National Centers for Environmental Information
+1-301-713-3277
NCEI.Info@noaa.gov
Dataset Point of Contact NOAA National Centers for Environmental Information
ncei.info@noaa.gov
Time Period Unknown to Unknown
Spatial Bounding Box Coordinates
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East:
South:
North:
Spatial Coverage Map
General Documentation
Publication Dates
  • publication: 2012-07-17
Data Presentation Form Digital document - digital representation of a primarily textual item (can contain illustrations also)
Dataset Progress Status Complete - production of the data has been completed
Historical archive - data has been stored in an offline storage facility
Data Update Frequency As needed
Purpose This dataset is available to the public for a wide variety of uses including scientific research and analysis.
Use Limitations
  • accessLevel: Public
  • 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.
Dataset Citation
  • Cite as: Eriksen, Charles; University of Washington (2012). Documentation for University of Washington Seaglider records archived at NCEI (NCEI Accession 0092291). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0092291. Accessed [date].
Cited Authors
Contributors
Resource Providers
Publishers
Theme keywords WMO_CategoryCode
  • oceanography
Data Center keywords NODC COLLECTING INSTITUTION NAMES THESAURUS NODC SUBMITTING INSTITUTION NAMES THESAURUS Global Change Master Directory (GCMD) Data Center Keywords
Keywords NCEI ACCESSION NUMBER
Use Constraints
  • Cite as: Eriksen, Charles; University of Washington (2012). Documentation for University of Washington Seaglider records archived at NCEI (NCEI Accession 0092291). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0092291. Accessed [date].
Access Constraints
  • 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.
Fees
  • In most cases, electronic downloads of the data are free. However, fees may apply for custom orders, data certifications, copies of analog materials, and data distribution on physical media.
Lineage information for: dataset
Processing Steps
  • 2012-07-17T14:41:07Z - NCEI Accession 0092291 v1.1 was published.
Output Datasets
Lineage information for: repository
Processing Steps
  • 2015-04-22T00:00:00 - NOAA created the National Centers for Environmental Information (NCEI) by merging NOAA's National Climatic Data Center (NCDC), National Geophysical Data Center (NGDC), and National Oceanographic Data Center (NODC), including the National Coastal Data Development Center (NCDDC), per the Consolidated and Further Continuing Appropriations Act, 2015, Public Law 113-235. NCEI launched publicly on April 22, 2015.
Last Modified: 2021-10-15T16:45:01Z
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