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Imaging · collection · 2021

HLS Sentinel-2 Multi-spectral Instrument Surface Reflectance Daily Global 30m v2.0

Listed in NASA Earthdata CMR and NASA Data Portal — shown once because both records carry DOI 10.5067/hls/hlss30.002

The Harmonized Landsat Sentinel-2 (HLS) project provides consistent surface reflectance data from the Operational Land Imager (OLI) aboard the joint NASA/USGS Landsat 8 satellite and the Multi-Spectral Instrument (MSI) aboard Europe’s Copernicus Sentinel-2A, Sentinel-2B, and Sentinel-2C satellites.

Description

The combined measurement enables global observations of the land every 1.6 days at 30-meter (m) spatial resolution. The HLS project uses a set of algorithms to obtain seamless products from OLI and MSI that include atmospheric correction, cloud and cloud-shadow masking, spatial co-registration and common gridding, illumination and view angle normalization, and spectral bandpass adjustment.

The HLSS30 product provides 30-m Nadir Bidirectional Reflectance Distribution Function (BRDF)-Adjusted Reflectance (NBAR) and is derived from Sentinel-2A, Sentinel-2B, and Sentinel-2C MSI data products. The HLSS30 and HLSL30 products are gridded to the same resolution and Military Grid Reference System (MGRS) tiling system and thus are “stackable” for time series analysis.

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The HLSS30 product is provided in Cloud Optimized GeoTIFF (COG) format, and each band is distributed as a separate COG. There are 13 bands included in the HLSS30 product along with four angle bands and a quality assessment (QA) band. See the User Guide for a more detailed description of the individual bands provided in the HLSS30 product.

The HLS project is funded by NASA’s Satellite Needs Working Group (SNWG) which provides data products developed to meet the needs of stakeholders from US government agencies. For information on known issues see the anomalies link under the Documents and Resources tab.

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Documentation and papers

Catalogue records · 3

Topics

Inferred from text
Astronomical sciences 68%
Provenance · 2 source records, 20 field assertions
SourceKeyLast seenRaw
NASA Earthdata CMRC2021957295-LPCLOUD9 d agoJSON v1
NASA Data Portale8270afa-6a7d-41f2-817f-412ee65492386 d agoJSON v1
FieldAssertionExtractorEvidence
access_levelsource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[field].anzsrc:group:5101enrichment · NASA CMRtaxonomy-embedding@1.0.0title+keywords+description (68%)
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
concepts[field].local:field:physicsmapping · data nasa govconnector:data_nasa_gov@1.0.0
concepts[instrument].gcmd_instrument:sentinel-2-msisource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/land-surface/surface-radiative-properties/reflectancesource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[platform].gcmd_platform:sentinel-2asource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[platform].gcmd_platform:sentinel-2bsource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[platform].gcmd_platform:sentinel-2csource · NASA CMRconnector:nasa_cmr@1.0.0
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publication_datesource · NASA CMRconnector:nasa_cmr@1.0.0
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temporalsource · NASA CMRconnector:nasa_cmr@1.0.0/umm/TemporalExtents
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