Global NOAA CoastWatch Chlorophyll Frontal Product from MODIS/Aqua from 2015-08-01 to 2022-10-31 (NCEI Accession 0110333)
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title: Global NOAA CoastWatch Chlorophyll Frontal Product from MODIS/Aqua from 2015-08-01 to 2022-10-31 (NCEI Accession 0110333)
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abstract: This collection includes MODIS/Aqua chlorophyll frontal data products. The NOAA Okeanos operational production system produces near real-time chlorophyll frontal products (magnitude and direction), using data from MODIS/Aqua L2 chlorophyll products that are generated in the Okeanos system using the NASA L2gen ocean color algorithm. The chlorophyll frontal products are calculated using the BOASNRA algorithm, a concatenation of the Belkin-O'Reilly Algorithm (BOA) for front detection (Belkin and O'Reilly, 2009), and the Stripe Noise Reduction Algorithm (SNRA) (Belkin et al, 2013). The BOASNRA code is included in the CoastWatch ocean color products processing software that was written by the NOAA CoastWatch team. Maps of oceanic chlorophyll fronts can be directly used in marine fisheries, marine conservation, environment protection, and other applications and operations.
purpose: An analysis of horizontal gradients in satellite ocean color data from the MODIS/Aqua data stream provides information on frontal boundaries important to marine ecosystems. This information can be used by marine scientists to better manage marine resources. For example, the interannual variability in the strength and location of ocean fronts affects a number of key living marine resources, such as Northern Shrimp, Atlantic herring and marine mammals.
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citedResponsibleParty: (CI_ResponsibleParty)
positionName: (unknown)
contactInfo: (CI_Contact)
onlineResource: (CI_OnlineResource)
linkage: https://modis.gsfc.nasa.gov/about/specifications.php
protocol: HTTPS
name: MODIS Technical Specifications
description: NASA website
function: (CI_OnLineFunctionCode) information
role: (unknown)
citedResponsibleParty: (CI_ResponsibleParty)
organisationName:
Anchor: https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/institution/details/208 US National Aeronautic and Space Administration
role: (CI_RoleCode) author
citedResponsibleParty: (CI_ResponsibleParty)
organisationName:
Anchor: https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/institution/details/208 US National Aeronautic and Space Administration (NASA)
role: (CI_RoleCode) publisher
otherCitationDetails: [last accessed 2018-06-04]
associationType: (DS_AssociationTypeCode) crossReference
initiativeType: (DS_InitiativeTypeCode) sensor
language:
LanguageCode: eng; USA
characterSet: (MD_CharacterSetCode) utf8
topicCategory: (MD_TopicCategoryCode) environment
topicCategory: (MD_TopicCategoryCode) oceans
topicCategory: (MD_TopicCategoryCode) biota
extent: (EX_Extent)
geographicElement: (EX_GeographicBoundingBox)
westBoundLongitude: -180
eastBoundLongitude: -60
southBoundLatitude: 8
northBoundLatitude: 64
temporalElement: (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition: 2015-08-01
endPosition: 2022-10-31
supplementalInformation: (missing)
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distributionInfo: (MD_Distribution)
distributor: (MD_Distributor)
distributorContact: (CI_ResponsibleParty)
organisationName:
Anchor: https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/institution/details/1730 NOAA National Centers for Environmental Information
contactInfo: (CI_Contact)
phone: (CI_Telephone)
voice: +1-301-713-3277
address: (CI_Address)
electronicMailAddress: NCEI.Info@noaa.gov
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: PNG
version: 1.2
distributorFormat: (MD_Format)
name: HDF
version: 2013
specification: NOAA CoastWatch HDF. CW HDF file will have satellite fields with the following information: Lat, Lon, Frontal magnitude, Frontal direction, Flags (rejected pixels). File-naming convention = DataSource_PYYYYJJJ_hhmm_XXZZ_closest_DataProduct.nc, where: - DataSource: MODSCW - DataProduct: chlgradmag, which indicates that processing was used to calculate the gradient of the OC Chlorophyll data. - YYYYJJJ: Starting and ending 4-digit year and 3-digit day of year for 8-day composite - hhmm: four digit starting time (hour + minutes) of granule - XX: Region information: GM for Gulf of Mexico, AK for Alaska, CB for Caribbean, NE for Northeast US, SE for Southeast US, and WC for West coast US. - ZZ: Projection option, 05 is projection of Mercator. - closest: Designates a particular non-default way of performing geoprojection
distributorTransferOptions: (MD_DigitalTransferOptions)
transferSize:
Real: 0.316
onLine: (CI_OnlineResource)
linkage: https://www.class.noaa.gov/saa/products/search?sub_id=0&datatype_family=OC_FRONTAL
protocol: HTTP
applicationProfile: Web browser
name: Order
description: These data are available through NOAA's Comprehensive Large Array-data Stewardship System (CLASS). Use the CLASS web interface to search for and order data by temporal, spatial and and other product-specific criteria. You may also create a subscription to order data on a regular basis.
function: (CI_OnLineFunctionCode) order
onLine: (CI_OnlineResource)
linkage: https://www.ncei.noaa.gov/archive/accession/0110333
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
onLine: (CI_OnlineResource)
linkage: https://www.ncei.noaa.gov/archive/accession/oas/110333
protocol: HTTPS
applicationProfile: Web browser
name: Descriptive Information
description: Navigate directly to the URL for a descriptive web page with download links.
function: (CI_OnLineFunctionCode) information
onLine: (CI_OnlineResource)
linkage: https://www.ncei.noaa.gov/archive/accession/download/110333
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: ftp://ftp-oceans.ncei.noaa.gov/nodc/archive/arc0153/0110333/
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
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dataQualityInfo: (DQ_DataQuality)
scope: (DQ_Scope)
level: (MD_ScopeCode) dataset
lineage: (LI_Lineage)
processStep: (LE_ProcessStep)
description: NCEI Accession 0110333 v1.1 was published.
dateTime:
DateTime: 2020-04-23T20:39:20Z
output: (LE_Source)
sourceCitation: (CI_Citation)
title: NCEI Accession 0110333 v1.1
date: (CI_Date)
date: (inapplicable)
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
individualName: (inapplicable)
contactInfo: (CI_Contact)
onlineResource: (CI_OnlineResource)
linkage: https://www.ncei.noaa.gov/archive/accession/0110333/1.1
protocol: HTTPS
name: NCEI Accession 0110333 v1.1
description: published 2020-04-23T20:39:20Z
function: (CI_OnLineFunctionCode) download
role: (inapplicable)
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dataQualityInfo: (DQ_DataQuality)
scope: (DQ_Scope)
level: (MD_ScopeCode) dataset
report: (DQ_AbsoluteExternalPositionalAccuracy)
nameOfMeasure: Horizontal Positional Accuracy
measureDescription: 1.1 km at nadir
result: (DQ_QuantitativeResult)
valueUnit:
ConventionalUnit:
identifier: kilometre
conversionToPreferredUnit:
factor: 1000
value:
Record: 1.1
report: (DQ_AbsoluteExternalPositionalAccuracy)
nameOfMeasure: Vertical Positional Accuracy
evaluationMethodDescription: Depth integrated ocean color
result: (DQ_QuantitativeResult)
valueUnit:
BaseUnit:
identifier: urn:ogc:def:uom:OGC::m
name: meter
unitsSystem: http://www.bipm.fr/en/si/
value: (unknown)
report: (DQ_CompletenessCommission)
evaluationMethodDescription: The data processing level for these satellite data are NOAA level 3. They are statistical analyses of the Chlorophyll fields, interpolated to equidistant latitude and longitude grids. The Belkin-O'Reilly Algorithm (BOA) is used to derive the dataset.
result: (unknown)
report: (DQ_CompletenessOmission)
evaluationMethodDescription: Since this data set is produced for daily MODIS/ Aqua fields, there may be large gaps in the data record, which will be stored as a pixel by pixel basis as data with low quality flags. The gaps may extend for large spatial regions and for many days for any pixel.
result: (unknown)
report: (DQ_ConceptualConsistency)
measureDescription: The data processing level for these satellite data are NOAA level 3. They are statistical analyses of the Chlorophyll fields, interpolated to equidistant latitude and longitude grids.
result: (unknown)
lineage: (LI_Lineage)
processStep: (LI_ProcessStep)
description: MODIS/Aqua L1B files are received as individual 5-minute granules and processed to MODL2 which is further used to process chlorophyll frontal products using the Belkin-O’Reilly algorithm in the CoastWatch Okeanos automated processing system.
dateTime:
DateTime: 2012-10-15T00:00:00
processor: (CI_ResponsibleParty)
individualName: Banghua Yan
organisationName: NOAA/NESDIS/OSPO/Satellite Products Branch
positionName: NOAA Ocean Color Operational Product Area Lead
contactInfo: (CI_Contact)
phone: (CI_Telephone)
voice: 301-683-3230
facsimile: 301-683-3297
address: (CI_Address)
deliveryPoint: Rm 3620, NOAA Center for Weather and Climate Prediction (NCWCP)
deliveryPoint: 5830 University Research Court
city: College Park
administrativeArea: Maryland
postalCode: 20740
country: USA
electronicMailAddress: Banghua.Yan@noaa.gov
role: (CI_RoleCode) processor
source: (LI_Source)
description: MODIS/Aqua L1B files are received as individual 5-minute granules and processed to MODL2 which is further used to process chlorophyll frontal products using the Belkin-O’Reilly algorithm in the CoastWatch Okeanos automated processing system.
sourceCitation: (CI_Citation)
title: MODIS/Aqua L1B files
date: (CI_Date)
date: 2012
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: NOAA/NESDIS/OSPO/Satellite Products Branch
role: (CI_RoleCode) resourceProvider
otherCitationDetails: This is a product generated from the MODIS Aqua ocean color data. Other ocean color products currently archived at NODC and NOAA CLASS include the SeaWiFS level 1A and level 2 data, MODIS Aqua level 2 data, MERIS level 2 data, MODIS Aqua SWIR level 2 data, and MODIS Terra level 2 data. The data set is most closely related to the MODIS Aqua data sets.
sourceExtent: (EX_Extent)
temporalElement: (EX_TemporalExtent)
extent:
TimePeriod:
description: ground condition
beginPosition: 2012-10
endPosition: present
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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
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acquisitionInformation: (MI_AcquisitionInformation)
instrument: (MI_Instrument)
identifier: (MD_Identifier)
code: MODIS
type: MODIS
description: Moderate Resolution Imaging Spectroradiometer MODIS (or Moderate Resolution Imaging Spectroradiometer) is a key instrument aboard the Terra (EOS AM) and Aqua (EOS PM) satellites. Terra's orbit around the Earth is timed so that it passes from north to south across the equator in the morning, while Aqua passes south to north over the equator in the afternoon. Terra MODIS and Aqua MODIS are viewing the entire Earth's surface every 1 to 2 days, acquiring data in 36 spectral bands, or groups of wavelengths (see MODIS Technical Specifications). MODIS Technical Specifications Orbit: 705 km, 10:30 a.m. descending node (Terra) or 1:30 p.m. ascending node (Aqua), sun-synchronous, near-polar, circular Scan Rate: 20.3 rpm, cross track Swath Dimensions: 2330 km (cross track) by 10 km (along track at nadir) Telescope: 17.78 cm diam. off-axis, afocal (collimated), with intermediate field stop Size: 1.0 x 1.6 x 1.0 m Weight: 228.7 kg Power: 162.5 W (single orbit average) Data Rate: 10.6 Mbps (peak daytime); 6.1 Mbps (orbital average) Quantization: 12 bits Spatial Resolution: 250 m (bands 1-2); 500 m (bands 3-7); 1000 m (bands 8-36) Design Life: 6 years (From: http://modis.gsfc.nasa.gov/about/index.html)
mountedOn: #plat_9796
platform: (MI_Platform)
identifier: (MD_Identifier)
code: Aqua
description: Updated information from ICES for the Name : Aqua Country(s) : UNITED STATES(US) (ISO Country Code) Platform Class : 65 Orbiting satellite Commissioned Date : 2002-05-04 Decommissioned Date : 2016 Notes : 2nd flight unit of the EOS programme. Main mission is demonstration of advanced sensors for operational meteorology. Information Sources: - http://www.wmo-sat.info/oscar/satellites/view/79 Confirmed by NOAA on 2018-08-0 Instruments: AMSR-E et al NSSDCA/COSPAR ID: 2002-022A
instrument: #inst_be88
