NOAA Climate Data Record (CDR) of AVHRR Daily and Monthly Aerosol Optical Thickness (AOT) over Global Oceans, Version 3.0 (Version Superseded)
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dateStamp: 2023-09-13
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title: NOAA Climate Data Record (CDR) of AVHRR Daily and Monthly Aerosol Optical Thickness (AOT) over Global Oceans, Version 3.0 (Version Superseded)
alternateTitle: AVHRR Aerosol Optical Thickness
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date: 2016-12-01
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Anchor: DOI doi:10.7289/V5BZ642P
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code: NCEI DSI 3627_03
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individualName: Zhao, Xuepeng
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abstract: *Note: This dataset version has been superseded by a newer version. It is highly recommended that users access the current version. Users should only use this version for special cases, such as reproducing studies that used this version.* The product is the aerosol optical thickness (AOT) at 0.63 micron, which is retrieved from NOAA PATMOS-x level-2B orbital radinace and cloud CDR products. The retrieval is performed for selected spatial (0.1 by 0.1 degree) and temporal (1 time per day per satellite) resolution in cloud free condition during daytime. The final product is daily averaged from all satellite retrivals and in a 0.1 by 0.1 degree equal angle grid (total 1800x3600 grids over the globe). Due to the relatively large uncertainties associated with surface reflectance over water glint area and land surface as well as limited AVHRR retrieval channels, the current algorithm only performs retrieval over none-glint water surface (specifically at the anti-solar side of the orbit and viewing angle is larger than 40 degree away from the specular ray). The final CDR AOT products include daily and monthly products
purpose: This dataset can be utilized in air quality monitoring as well as climate and environmental change studies.
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useLimitation: See the Algorithm Theoretical Basis Document for a description of the use limitations for this dataset. Products apply to over-ocean only. The values at polar latitudes (outside 60 degree north or south) are degraded due to surface contamination from ice and degraded cloud screening at polar latitudes. The quality of the output CDR data is dependent on the quality of the input data. As such, the near real-time data is labeled as an Interim operational CDR (ICDR) or preliminary CDR instead of a final CDR, indicating that it has not yet been fully vetted for climate applications. The near real-time ICDR/preliminary data will transition to final CDR status after the data have undergone further analysis and processing. The expected time lag of the final CDR transition is approximately one year. The state of a data file is indicated within each file name.
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otherConstraints: Cite as: Zhao, Xuepeng; and NOAA CDR Program (2017): NOAA Climate Data Record (CDR) of AVHRR Daily and Monthly Aerosol Optical Thickness (AOT) over Global Oceans, Version 3.0. [indicate subset used]. NOAA National Centers for Environmental Information. doi:10.7289/V5BZ642P [date accessed].
otherConstraints: *This dataset version has been superseded by a newer version. Users should only use this version for special cases, such as reproducing previous studies that used this version. Refer to the metadata for more information.*
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otherConstraints: See the Use Agreement for this CDR available on the CDR page.
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otherConstraints: 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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title: Data Stewardship Maturity Report for NOAA Climate Data Record (CDR) of AVHRR Daily and Monthly Aerosol Optical Thickness over Global Oceans, Version 3.0
date: (CI_Date)
date: 2022
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title: Climatology Analysis of Aerosol Effect on Marine Water Cloud from Long-Term Satellite Climate Data Records
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title: A global survey of the effect of cloud contamination on the aerosol optical thickness and its long-term trend derived from operational AVHRR satellite observations
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name: A global survey of the effect of cloud contamination on the aerosol optical thickness and its long-term trend derived from operational AVHRR satellite observations
description: Zhao, T. X.-P., P. K. Chan, and A. K. Heidinger (2013), A global survey of the effect of cloud contamination on the aerosol optical thickness and its long-term trend derived from operational AVHRR satellite observations, J. Geophys. Res. Atmos., 118, 2849-2857, doi:10.1002/jgrd.50278.
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description: ground condition
beginPosition: 1981-01-01
endPosition: 2016-09-30
timeInterval: 1
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contentInfo: (MI_CoverageDescription)
attributeDescription:
RecordType: AOT_AVHRR_v03r00[-preliminary]_daily-avg_[YYYYMMDD]_c[YYYYMMDD].nc
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units: http://example.org/someUnitsDictionary.xml#days%20since%201970-01-01%2000%3A00%3A00
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contentInfo: (MI_CoverageDescription)
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distributionInfo: (MD_Distribution)
distributor: (MD_Distributor)
distributorContact: (CI_ResponsibleParty)
organisationName: NOAA National Centers for Environmental Information
contactInfo: (CI_Contact)
address: (CI_Address)
electronicMailAddress: ncei.info@noaa.gov
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description: Information for contacts at NCEI.
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role: (CI_RoleCode) distributor
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: 4
specification: The NetCDF data files comply with the Climate and Forecast (CF) Metadata Conventions and the NetCDF Attribute Convention for Dataset Discovery (ACDD).
distributorFormat: (MD_Format)
name: netCDF
version: 4
specification: The NetCDF data files comply with the Climate and Forecast (CF) Metadata Conventions and the NetCDF Attribute Convention for Dataset Discovery (ACDD).
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linkage: https://doi.org/10.7289/V5BZ642P
protocol: HTTPS
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linkage: https://www.ncei.noaa.gov/contact
protocol: HTTPS
applicationProfile: Web Browser
name: Contact NCEI
description: Contact NCEI for more information and to request access to the archived data. Requests are subject to NCEI order fulfillment constraints.
function: (CI_OnLineFunctionCode) offline
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dataQualityInfo: (DQ_DataQuality)
scope: (DQ_Scope)
level: (MD_ScopeCode) dataset
extent: #boundingExtent
lineage: (LI_Lineage)
statement: The data were produced by and are archived at the NOAA National Centers for Environmental Information (NCEI).
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protocol: HTTPS
applicationProfile: Web Browser
name: CDR Source Code
description: This source code is for reference only. The source code is provided to maintain transparency of the algorithm and processes used in creating the Climate Data Record (CDR). The source code is not intended to be portable to any computer system(s) beyond that of the original CDR producer's environment.
function: (CI_OnLineFunctionCode) information
role: (missing)
documentation: (CI_Citation)
title: Flow Chart of Version 2 AVHRR Aerosol Optical Thickness Retrieval
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date: 2013-07-12
dateType: (CI_DateTypeCode) publication
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identifier: (MD_Identifier)
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organisationName: (missing)
contactInfo: (CI_Contact)
onlineResource: (CI_OnlineResource)
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protocol: HTTPS
applicationProfile: Web Browser
name: CDR Data Flow Diagram
description: Flowcharts for the CDR product.
function: (CI_OnLineFunctionCode) information
role: (missing)
algorithm: (LE_Algorithm)
citation: (CI_Citation)
title: Climate Algorithm Theoretical Basis Document for AVHRR Aerosol Optical Thickness (AOT)
date: (CI_Date)
date: 2016-09-06
dateType: (CI_DateTypeCode) publication
edition: Revision 3
identifier: (MD_Identifier)
code: CDRP-ATBD-0096
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: DOC/NOAA/NESDIS/NCDC > National Climatic Data Center, NESDIS, NOAA, U.S. Department of Commerce
positionName: NOAA Climate Data Record Program Office
contactInfo: (CI_Contact)
phone: (CI_Telephone)
voice: +1 (828) 271-4800
facsimile: +1 (828) 271-4328
address: (CI_Address)
deliveryPoint: 151 Patton Avenue
deliveryPoint: Veach-Baley Federal Building, Room 447
city: Asheville
administrativeArea: NC
postalCode: 28801-5001
country: USA
electronicMailAddress: cdr_program.ncdc@noaa.gov
hoursOfService: 8:00 - 6:00 Eastern
role: (CI_RoleCode) publisher
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organisationName: (missing)
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protocol: HTTPS
applicationProfile: Web Browser
name: Climate Algorithm Theoretical Basis Document
description: ATBD for the CDR product.
function: (CI_OnLineFunctionCode) download
role: (missing)
description: See Algorithm Citation
source: (LE_Source)
description: Data were derived using PATMOS-X v5.3 data
sourceCitation: (CI_Citation)
title: NOAA Climate Data Record (CDR) of Reflectance and Brightness Temperatures from AVHRR Pathfinder Atmospheres - Extended (PATMOS-x), Version 5.3
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date: 2014-07-13
dateType: (CI_DateTypeCode) publication
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citedResponsibleParty: (CI_ResponsibleParty)
organisationName: (missing)
contactInfo: (CI_Contact)
onlineResource: (CI_OnlineResource)
linkage: https://doi.org/10.7289/V56W982J
protocol: HTTPS
applicationProfile: Web Browser
name: NCEI Landing Page for AVHRR Reflectance - PATMOS-x
description: Source dataset landing page.
function: (CI_OnLineFunctionCode) information
role: (missing)
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geographicElement: (EX_GeographicBoundingBox)
extentTypeCode: 1
westBoundLongitude: -180.0
eastBoundLongitude: 180.0
southBoundLatitude: -90.0
northBoundLatitude: 90.0
temporalElement: (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition: 1981-01-01
endPosition: 2016-09-30
sourceStep: ps001
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dataQualityInfo: (DQ_DataQuality)
scope: (DQ_Scope)
level: (MD_ScopeCode) repository
levelDescription: (MD_ScopeDescription)
other: NOAA National Centers for Environmental Information
lineage: (LI_Lineage)
processStep: (LE_ProcessStep)
description: 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.
dateTime:
DateTime: 2015-04-22T00:00:00
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dataQualityInfo: (DQ_DataQuality)
scope: (DQ_Scope)
level: (MD_ScopeCode) series
levelDescription: (MD_ScopeDescription)
other: Data Stewardship
report: (DQ_ConceptualConsistency)
nameOfMeasure: Data Stewardship Maturity Assessment
measureIdentification: (MD_Identifier)
code: MM-Stew
measureDescription: The Data Stewardship Maturity Matrix (DSMM) is a unified framework that defines criteria for each of nine components based on measurable practices, which can be used to apply a progressive, 6-level rating to an individual dataset, representing stewardship maturity stages rated as Not Assessed or Not Available (Level 0), adHoc (Level 1), minimum (Level 2), intermediate (Level 3), advanced (Level 4), and optimal (Level 5).
evaluationMethodDescription: Data Stewardship Maturity Assessment was evaluated by the metadata content editor for the NOAA OneStop project using the Scientific Data Stewardship Maturity Assessment Model Template v4.0.
evaluationProcedure: (CI_Citation)
title: The Scientific Data Stewardship Maturity Assessment Model Template
date: (CI_Date)
date: 2015-06-23
dateType: (CI_DateTypeCode) publication
edition: NCDC-CICS-SMM_0001_Rev.1 v4.0 06/23/2015
identifier: (MD_Identifier)
code:
Anchor: DOI link doi:10.10.6084/m9.figshare.1211954
citedResponsibleParty: (CI_ResponsibleParty)
individualName: Peng, Ge
organisationName: CICS-NC/NCEI
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citedResponsibleParty: (CI_ResponsibleParty)
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contactInfo: (CI_Contact)
onlineResource: (CI_OnlineResource)
linkage: https://doi.org/10.6084/m9.figshare.1211954
protocol: HTTPS
applicationProfile: Web Browser
name: The Scientific Data Stewardship Maturity Assessment Model Template
description: Landing page for quality evaluation procedure.
function: (CI_OnLineFunctionCode) information
role: (inapplicable)
presentationForm: (CI_PresentationFormCode) documentDigital
dateTime:
DateTime: 2017-04-18T00:00:00
result: (DQ_QuantitativeResult)
valueUnit: (inapplicable)
value:
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CodeListValue: advanced
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CodeListValue: minimal
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result: (DQ_ConformanceResult)
specification: (CI_Citation)
title: NOAA Climate Data Record (CDR) of AVHRR Daily and Monthly Aerosol Optical Thickness over Global Oceans, Version 3.0
date: (CI_Date)
date: 2017-04-18
dateType: (CI_DateTypeCode) publication
edition: v01r00
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
role: (CI_RoleCode) publisher
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: (missing)
contactInfo: (CI_Contact)
onlineResource: (CI_OnlineResource)
linkage: (template)
role: (missing)
explanation: Data Stewardship Maturity Assessment was evaluated by the metadata content editor for the NOAA OneStop project using the Scientific Data Stewardship Maturity Assessment Model Template v4.0.
pass: (inapplicable)
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metadataMaintenance: (MD_MaintenanceInformation)
maintenanceAndUpdateFrequency: (MD_MaintenanceFrequencyCode) asNeeded
maintenanceNote: Bulk metadata change applied on 2023-06-23. See version control repository history for metadata change details.
