World Ocean Atlas 2018
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title: World Ocean Atlas 2018
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Anchor: https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/person/details/6 Tim P. Boyer
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abstract: World Ocean Atlas 2018 (WOA18) is a set of objectively analyzed (one degree grid and quarter degree grid) climatological fields of in situ temperature, salinity, dissolved oxygen, Apparent Oxygen Utilization (AOU), percent oxygen saturation, phosphate, silicate, and nitrate at standard depth levels for annual, seasonal, and monthly compositing periods for the World Ocean. Quarter degree fields are for temperature and salinity only. It also includes associated statistical fields of observed oceanographic profile data interpolated to standard depth levels on quarter degree, one degree, and five degree grids. Temperature and salinity fields are available for six decades (1955-1964, 1965-1974, 1975-1984, 1985-1994, 1995-2004, and 2005-2017) an average of all decades representing the period 1955-2017, as well as a thirty year "climate normal" period 1981-2010. Oxygen fields (as well as AOU and percent oxygen saturation) are available using all quality controlled data 1960-2017, nutrient fields using all quality controlled data from the entire sampling period 1878-2017. This accession is a product generated by the National Centers for Environmental Information's (NCEI) Ocean Climate Laboratory Team. The analyses are derived from the NCEI World Ocean Database 2018.
purpose: Oceanographic objective analyses have proven to be of great utility to the oceanographic, climate research, geophysical, and operational environmental forecasting communities. Such analyses are used as boundary and/or initial conditions in numerical ocean circulation models and atmosphere-ocean models, for verification of numerical simulations of the ocean, as a form of "sea truth" for satellite measurements such as altimetric observations of sea surface height, for computation of nutrient fluxes by Ekman transport, and for planning oceanographic expeditions among others.
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Anchor: https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/datatype/details/12 ANALYSES - ANNUAL SUMMARIES
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keyword: Oceans > Ocean Nutrients > Dissolved Inorganic Nutrients > Nitrate
keyword: Oceans > Ocean Nutrients > Dissolved Inorganic Nutrients > Phosphate
keyword: Oceans > Ocean Nutrients > Dissolved Inorganic Nutrients > Silicate
keyword: Oceans > Ocean Oxygen > Dissolved Oxygen
keyword: Oceans > Ocean Salinity
keyword: Oceans > Ocean Temperature > Water Temperature
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otherConstraints: Cite as: Boyer, Tim P.; García, Hernán E.; Locarnini, Ricardo A.; Zweng, Melissa M.; Mishonov, Alexey V.; Reagan, James R.; Weathers, Katharine A.; Baranova, Olga K.; Paver, Christopher R.; Seidov, Dan; Smolyar, Igor V. (2018). World Ocean Atlas 2018. [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/NCEI-WOA18. Accessed [date].
otherConstraints: When using temperature, please also cite: Locarnini, R. A., A. V. Mishonov, O. K. Baranova, T. P. Boyer, M. M. Zweng, H. E. García, J. R. Reagan, D. Seidov, K. Weathers, C. R. Paver, and I. Smolyar, 2019. World Ocean Atlas 2018, Volume 1: Temperature. A. Mishonov Technical Ed.; NOAA Atlas NESDIS 81, 52 pp.
otherConstraints: When using salinity, please also cite: Zweng, M. M., J. R. Reagan, D. Seidov, T. P. Boyer, R. A. Locarnini, H. E. García, A. V. Mishonov, O. K. Baranova, K. Weathers, C. R. Paver, and I. Smolyar, 2019. World Ocean Atlas 2018, Volume 2: Salinity. A. Mishonov Technical Ed.; NOAA Atlas NESDIS 82, 50 pp.
otherConstraints: When using oxygen, please also cite: García, H. E., K. Weathers, C. R. Paver, I. Smolyar, T. P. Boyer, R. A. Locarnini, M. M. Zweng, A. V. Mishonov, O. K. Baranova, D. Seidov, and J. R. Reagan, 2019. World Ocean Atlas 2018, Volume 3: Dissolved Oxygen, Apparent Oxygen Utilization, and Oxygen Saturation. A. Mishonov Technical Ed.; NOAA Atlas NESDIS 83, 38 pp.
otherConstraints: When using nutrients, please also cite: García, H. E., K. Weathers, C. R. Paver, I. Smolyar, T. P. Boyer, R. A. Locarnini, M. M. Zweng, A. V. Mishonov, O. K. Baranova, D. Seidov, and J. R. Reagan, 2019. World Ocean Atlas 2018, Volume 4: Dissolved Inorganic Nutrients (phosphate, nitrate and nitrate+nitrite, silicate). A. Mishonov Technical Ed.; NOAA Atlas NESDIS 84, 35 pp.
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useLimitation: 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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beginPosition: 1955-01-01
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supplementalInformation: This final version of WOA18, published in July 2019, is replacing a prereleased version made available in September 2018. The changes between the versions include: 1. For the first time, the animal-mounted pinniped temperature profiles (APB) have been added, improving coverage in high latitude areas. 2. A different Expendable Bathythermograph (XBT) correction (Cheng et al., 2014) has been employed. 3. A double XBT correction has been detected in pre-release version and fixed in final version. 4. All temperature and salinity climatological fields were re-calculated to account for these adjustments.
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role: (CI_RoleCode) pointOfContact
distributionOrderProcess: (MD_StandardOrderProcess)
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.
orderingInstructions: Contact NCEI for other distribution options and instructions.
distributorFormat: (MD_Format)
name: netCDF
version: netCDF-4 classic
specification: NODC_NetCDF_Grid_Template_v2.0, CF-1.6, ACDD-1.3
distributorTransferOptions: (MD_DigitalTransferOptions)
transferSize:
Real: 218531.804
onLine: (CI_OnlineResource)
linkage: https://www.ncei.noaa.gov/thredds-ocean/catalog/ncei/woa/catalog.html
protocol: THREDDS
applicationProfile: Web browsers can browse THREDDS Data Servers and specialized THREDDS software can enable more sophisticated data access and visualizations.
name: THREDDS
description: These data are available through a variety of services via a THREDDS (Thematic Real-time Environmental Distributed Data Services) Data Server (TDS). Depending on the dataset, the TDS can provide WMS, WCS, DAP, HTTP, and other data access and metadata services as well. For more information on the TDS, see http://www.unidata.ucar.edu/software/thredds/current/tds/.
function: (CI_OnLineFunctionCode) download
onLine: (CI_OnlineResource)
linkage: ftp://ftp-oceans.ncei.noaa.gov/pub/data.nodc/ncei/woa/
protocol: FTP
applicationProfile: Any FTP client
name: FTP
description: These data are available through the File Transfer Protocol (FTP). FTP is no longer supported by most internet browsers. You may copy and paste the FTP link to the data into an FTP client (e.g., FileZilla or WinSCP).
function: (CI_OnLineFunctionCode) download
onLine: (CI_OnlineResource)
linkage: https://www.ncei.noaa.gov/data/oceans/ncei/woa/
protocol: HTTPS
applicationProfile: Web browser
name: HTTPS
description: Navigate directly to the URL for data access and direct download.
function: (CI_OnLineFunctionCode) download
onLine: (CI_OnlineResource)
linkage: https://www.ncei.noaa.gov/products/world-ocean-atlas
protocol: HTTPS
applicationProfile: Web browser
name: World Ocean Atlas
description: Navigate directly to the URL for a descriptive web page.
function: (CI_OnLineFunctionCode) information
onLine: (CI_OnlineResource)
linkage: https://www.nodc.noaa.gov/OC5/SELECT/woaselect/woaselect.html
protocol: HTTPS
applicationProfile: Web browser
name: World Ocean Atlas Select (WOAselect)
description: Search for data by user-specified criteria and optionally order data for later download.
function: (CI_OnLineFunctionCode) order
onLine: (CI_OnlineResource)
linkage: https://www.ncei.noaa.gov/archive/accession/NCEI-WOA18
protocol: HTTPS
applicationProfile: Web browser
name: NCEI Dataset Landing Page
description: Navigate directly to the URL for a descriptive web page with download links.
function: (CI_OnLineFunctionCode) information
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dataQualityInfo: (DQ_DataQuality)
scope: (DQ_Scope)
level: (MD_ScopeCode) series
lineage: (LI_Lineage)
processStep: (LE_ProcessStep)
description: NCEI Accession 0176314 v1.1 was published.
dateTime:
DateTime: 2018-10-15T23:47:29Z
processStep: (LE_ProcessStep)
description: NCEI Accession 0176314 was revised and v2.2 was published.
dateTime:
DateTime: 2019-03-19T02:52:48Z
processStep: (LE_ProcessStep)
description: NCEI Accession 0192181 v1.1 was published.
dateTime:
DateTime: 2019-08-28T08:17:39Z
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metadataMaintenance: (MD_MaintenanceInformation)
maintenanceAndUpdateFrequency: (MD_MaintenanceFrequencyCode) asNeeded
maintenanceNote: Metadata are developed, maintained and distributed by NCEI. Updates are performed as needed to maintain currentness.
contact: (CI_ResponsibleParty)
organisationName: NOAA National Centers for Environmental Information
role: (CI_RoleCode) custodian
