NOAA Climate Data Record (CDR) of Leaf Area Index (LAI) and Fraction of Absorbed Photosynthetically Active Radiation (FAPAR), Version 4 (Version Superseded)
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dateStamp: 2023-09-18
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title: NOAA Climate Data Record (CDR) of Leaf Area Index (LAI) and Fraction of Absorbed Photosynthetically Active Radiation (FAPAR), Version 4 (Version Superseded)
alternateTitle: Leaf Area Index and FAPAR
date: (CI_Date)
date: 2014-12-31
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Anchor: DOI doi:10.7289/V5M043BX
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code: NCEI DSI 3669_01
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abstract: *Note: This dataset version has been superseded by a newer version.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.* This dataset contains gridded daily Leaf Area Index (LAI) and Fraction of Absorbed Photosynthetically Active Radiation (FAPAR) derived from the NOAA Climate Data Record (CDR) of Advanced Very High Resolution Radiometer (AVHRR) Surface Reflectance. The data record spans from 1981 to 10 days before the present using data from eight NOAA polar orbiting satellites: NOAA-7, -9, -11, -14, -16, -17, -18 and -19. The data are projected on a 0.05 degree x 0.05 degree global grid. This dataset is one of the Land Surface CDR products produced by the NASA Goddard Space Flight Center (GSFC) and the University of Maryland (UMD). Improvements made for Version 4 include 1) additional data from NOAA satellites extending the time period, 2) improved geolocation accuracy from use of OLE instead of TLE, 3) center of the grid is used as the reference, and 4) data value of a grid cell is computed as an average of available good observations. The dataset is in the netCDF-4 file format following ACDD and CF Conventions. The dataset is accompanied by algorithm documentation, data flow diagram and source code for the NOAA CDR Program.
purpose: This dataset provides scientific researchers a high quality Climate Data Record (CDR) of Leaf Area Index (LAI) and the Fraction of Absorbed Photosynthetically Active Radiation (FAPAR) for detecting drought-stressed regions, forecasting agricultural yields, and forestry and crop management. LAI and FAPAR, two biophysical variables, characterize the canopy and photosynthetic activity of plants. The one-sided green leaf area per unit ground surface area describes the LAI data set. The fraction of the incoming solar radiation in the Photosynthetically Active Radiation spectral region that is absorbed by the plants defines the FAPAR data set. The LAI/FAPAR CDR produces a daily product on a 0.05 degree by 0.05 degree grid from 1981 to present derived from Advanced Very High Resolution Radiometer (AVHRR) sensors.
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deliveryPoint: 151 Patton Avenue
deliveryPoint: Veach-Baley Federal Building, Room 447
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postalCode: 28801-5001
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keyword: Earth Science > Biosphere > Vegetation > Photosynthetically Active Radiation > Fraction Of Absorbed Photosynthetically Active Radiation (fapar)
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keyword: NOAA-7 > National Oceanic & Atmospheric Administration-7
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resourceConstraints: (MD_Constraints)
useLimitation: *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.*
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useLimitation: See the Algorithm Theoretical Basis Document (ATBD) for a description of this dataset's use limitations.
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useLimitation: The time variable in the data files has values that are too large by one (1) day. See the Technical Note.
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otherConstraints: Cite as: Claverie, Martin; Vermote, Eric; NOAA CDR Program. (2014): NOAA Climate Data Record (CDR) of Leaf Area Index (LAI) and Fraction of Absorbed Photosynthetically Active Radiation (FAPAR), Version 4. [indicate subset used]. NOAA National Centers for Environmental Information. https://doi.org/10.7289/V5M043BX. Accessed [date].
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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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otherConstraints: 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.
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orderingInstructions: Contact NCEI for other distribution options and instructions.
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name: NCEI Dataset Landing Page
description: Landing page for the dataset.
function: (CI_OnLineFunctionCode) information
distributorTransferOptions: (MD_DigitalTransferOptions)
onLine: (CI_OnlineResource)
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)
extent: #boundingExtent
lineage: (LI_Lineage)
statement: This dataset was produced by the NASA Goddard Space Flight Center (GSFC) and the University of Maryland (UMD), and is archived at the NOAA National Centers for Environmental Information (NCEI).
processStep: (LE_ProcessStep)
description: For a description of the processing steps, see the Algorithm Theoretical Basis Document and the Data Flow Diagram for this dataset.
processor: (CI_ResponsibleParty)
organisationName: NASA Goddard Space Flight Center
role: (CI_RoleCode) processor
processor: (CI_ResponsibleParty)
organisationName: University of Maryland
role: (CI_RoleCode) processor
source: sd001
processingInformation: (LE_Processing)
identifier: (MD_Identifier)
code: CDR Version 4
softwareReference: (CI_Citation)
title: Leaf Area Index and FAPAR Source Code
date: (CI_Date)
date: 2014
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: NOAA National Centers for Environmental Information
role: (CI_RoleCode) publisher
documentation: (CI_Citation)
title: Leaf Area Index and FAPAR Flow Diagram
date: (CI_Date)
date: 2014
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: NOAA National Centers for Environmental Information
role: (CI_RoleCode) publisher
algorithm: (LE_Algorithm)
citation: (CI_Citation)
title: Climate Algorithm Theoretical Basis Document (C-ATBD)
date: (CI_Date)
date: 2014
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: NOAA National Centers for Environmental Information
role: (CI_RoleCode) publisher
description: See Algorithm Citation
source: (LE_Source)
description: (missing)
sourceCitation: (CI_Citation)
title: NOAA Climate Data Record (CDR) of AVHRR Surface Reflectance, Version 4
date: (CI_Date)
date: 2014-05-21
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: NOAA National Centers for Environmental Information
role: (CI_RoleCode) publisher
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: (missing)
contactInfo: (CI_Contact)
onlineResource: (CI_OnlineResource)
linkage: https://doi.org/10.7289/V5TM782M
protocol: HTTPS
applicationProfile: Web Browser
name: NCEI landing page for AVHRR Surface Reflectance, Version 4
description: Source dataset landing page.
function: (CI_OnLineFunctionCode) information
role: (missing)
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) dataset
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: 2016-06-27
dateType: (CI_DateTypeCode) publication
edition: NCDC-CICS-SMM_0001_Rev.1 v4.0 06/27/2016
identifier: (MD_Identifier)
code:
Anchor: DOI link doi:10.10.6084/m9.figshare.1211954
citedResponsibleParty: (CI_ResponsibleParty)
individualName: Peng, Ge
organisationName: CICS-NC/NCEI
role: (CI_RoleCode) author
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: (inapplicable)
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)
dateTime:
DateTime: 2016-06-27T00:00:00
result: (DQ_QuantitativeResult)
valueUnit: (inapplicable)
value:
Record:
CodeListValue: intermediate
value:
Record:
CodeListValue: minimal
value:
Record:
CodeListValue: minimal
value:
Record:
CodeListValue: advanced
value:
Record:
CodeListValue: intermediate
value:
Record:
CodeListValue: advanced
value:
Record:
CodeListValue: intermediate
value:
Record:
CodeListValue: advanced
value:
Record:
CodeListValue: advanced
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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.