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Imaging · collection · 2026

VIIRS/JPSS2 Leaf Area Index/FPAR 8-Day L4 Global 500m SIN Grid V002

Listed in NASA Earthdata CMR and NASA Data Portal — shown once because both records carry DOI 10.5067/viirs/vj215a2h.002

The NOAA-21 Visible Infrared Imaging Radiometer Suite (VIIRS) Leaf Area Index (LAI) and Fraction of Photosynthetically Active Radiation (FPAR) Version 2 data product (VJ215A2H) provides information about the vegetative canopy layer at 500 meter resolution.

Description

The VIIRS sensor is located aboard the NOAA-21 satellite. LAI is an index that quantifies the one-sided leaf area of a canopy, while FPAR is the fraction of incoming solar energy absorbed through photosynthesis at 400 to 700 nanometers.

This product is intentionally designed after the Terra and Aqua Moderate Resolution Imaging Spectroradiometer (MODIS) LAI/FPAR operational algorithm to promote the continuity of the Earth Observation System (EOS) mission. The VJ215A2H product includes six variables for the analysis of key factors in LAI/FPAR measurements. These include the LAI and FPAR measurements, quality detail for LAI/FPAR, extra quality detail for FPAR, and the standard deviation for LAI and FPAR.

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Two low resolution browse images are also available for each VJ215A2H granule: LAI and FPAR.

Known Issues

* For complete information about known issues please refer to the MODIS/VIIRS Land Quality Assessment website.

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Catalogue records · 3

Topics

Inferred from text
Image 65% · Imaging 75% · Satellite remote sensing 65%
Provenance · 2 source records, 22 field assertions
SourceKeyLast seenRaw
NASA Earthdata CMRC2843640489-LPCLOUD10 d agoJSON v1
NASA Data Portala687bc7f-f3f2-4cb1-8a91-7568b3e64ab17 d agoJSON v1
FieldAssertionExtractorEvidence
access_levelsource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[field].local:field:astronomymapping · data nasa govconnector:data_nasa_gov@1.0.0
concepts[field].local:field:earth-environmentalmapping · data nasa govconnector:data_nasa_gov@1.0.0
concepts[field].local:field:ocean-atmosphericmapping · data nasa govconnector:data_nasa_gov@1.0.0
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concepts[instrument].gcmd_instrument:viirssource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/biosphere/vegetation/leaf-characteristics/leaf-area-index-laisource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/biosphere/vegetation/photosynthetically-active-radiationsource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/biosphere/vegetation/photosynthetically-active-radiation/fraction-of-absorbed-photosynthetically-active-radiation-faparsource · NASA CMRconnector:nasa_cmr@1.0.0
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concepts[modality].local:modality:remote-sensingenrichment · NASA CMRkeyword-concept-rules@1.0.0title+description (65%)
concepts[platform].gcmd_platform:noaa-21source · NASA CMRconnector:nasa_cmr@1.0.0
created_datesource · NASA CMRconnector:nasa_cmr@1.0.0
descriptionsource · NASA CMRconnector:nasa_cmr@1.0.0/umm/Abstract
license_textsource · data nasa govconnector:data_nasa_gov@1.0.0
publication_datesource · NASA CMRconnector:nasa_cmr@1.0.0
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