VIIRS/NPP Land Surface Temperature/Emissivity Daily L3 Global 0.05Deg CMG V002

The NASA/NOAA Suomi National Polar-orbiting Partnership (Suomi NPP) Visible Infrared Imaging Radiometer Suite (VIIRS) (https://lpdaac.usgs.gov/dataset_discovery/viirs) Land Surface Temperature and Emissivity (LST&E) Climate Modeling Grid Version 2 product (VNP21C) is compiled daily from daytime Level 2 Gridded (L2G) intermediate products. The L2G process maps the daily (VNP21) (https://doi.org/10.5067/VIIRS/VNP21.002) swath granules onto a sinusoidal MODIS grid and stores all observations overlapping a gridded cell for a given day. The VNP21A1 algorithm sorts through all these observations for each cell and estimates the final LST value as an average from all cloud-free observations that have good LST accuracies. The 0.05 degree (5600 m) dataset is derived through resampling the native 750 meter VIIRS resolution in the input product. The overall objective for NASA VIIRS products is to ensure the algorithms and products are compatible with the MODIS Terra and Aqua algorithms to promote the continuity of the Earth Observation System (EOS) mission. Additional details regarding the method used to create this Level 3 (L3) product are available in the Algorithm Theoretical Basis Document (ATBD) (https://lpdaac.usgs.gov/documents/1332/VNP21_ATBD_V1.pdf).

Data and Resources

Additional Info

Field	Value
Maintainer	Earthdata Forum
Last Updated	April 7, 2025, 22:20 (UTC)
Created	March 20, 2025, 20:14 (UTC)
accessLevel	public
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harvest_source_title	Science Discovery Engine
identifier	10.5067/VIIRS/VNP21C1.002
modified	2025-04-07T16:41:37Z
programCode	{026:000}
publisher	NASA/GSFC/SED/ESD/TISL/LandSIPS;LP DAAC
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theme	{"Earth Science"}