nasa viirs land

Evelyn Ho, NASA …

The VIIRS Global Surface Type Map—the latest in a series of land cover products of different spatial resolutions and legend definitions that date back to the early 1990s—represents a continuation of NASA and NOAA products created with MODIS-based surface reflectance data and 1 kilometer resolution Advanced Very High Resolution Radiometer data. Most data products are available within 3 hours of satellite observation.

LANCE-MODIS AND VIIRS-LAND NEAR REAL-TIME DATA. Last update: November 1, 2016. NASA NPP VIIRS LAND PEATE QA Website.

Data Set Short ... S-NPP/VIIRS 500m and 1km Daily Level 2G Surface Reflectance product. EARTHDATA. VIIRS (Suomi NPP) VNP09_NRT: VIIRS Land Surface Reflectance The VIIRS Surface Reflectance provides continuity with the EOS-MODIS Land Surface Reflectance product.The Suomi NPP/VIIRS surface reflectance products are estimates of surface reflectance in each of the VIIRS reflective bands I1-I3, M1-M5, M7, M8, M10, and M11. Most data products are available within 3 hours of satellite observation. EARTHDATA.

LANCE-MODIS AND VIIRS-LAND NEAR REAL-TIME DATA. NASA provides data, services, and tools that enable resource managers, disaster management teams, and scientists to understand and monitor environmental conditions before a fire starts, measure the intensity and development of fires as they are burning, and assess the effects and impacts of wildfires. SNPP VIIRS Land Records from C1.1 reprocessing using best of Calibration LUTs and science algorithms available from AS 3110. NASA's Earth Observing System Data and Information System (EOSDIS) is a key core capability in NASA’s Earth Science Data Systems Program for archiving and distributing Earth science data from multiple missions to users.

Both products are shown on a Suomi NPP daily global base map image. VIIRS Product Validation Status.

There have been many images of the full disc of Earth from space—a view often referred to as “the Blue Marble”—but few have looked quite like this. Since the 2011 launch of the NASA-NOAA Suomi National Polar-orbiting Partnership (Suomi-NPP) satellite and the 2012 release of Earth at night maps, Román and colleagues at NASA’s Goddard Space Flight Center have been analyzing night lights data and developing new software and algorithms to make those data clearer, more accurate, and more readily available.

Welcome to NASA's EOSDIS.

Forward processing of VIIRS Land data products in AS 3002 was stopped on day 196 (07/14/2016).

The VIIRS instrument observes and collects global satellite observations that span the visible and infrared wavelengths across land, ocean, and atmosphere.

Left image shows the Cloud Mask, with white indicating clouds and dark red indicating high probability of clear sky (easily seen over the Sahara Desert near the top of the image).

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 NPP VIIRS products have different levels of maturity, reflecting when they were produced and so the algorithms and input data used in their production. Land SIPS will also support the Suomi NPP Clouds and the Earth's Radiant Energy System group with processing and reprocessing of the selected VIIRS higher-level data products for use in continuing the CERES climate data record and for use in real-time processing. These products are being used by scientists from a variety of disciplines, including oceanography, biology, and atmospheric science.

A whiskbroom radiometer by design, it has 22 channels ranging from 0.41 μm to 12.01 μm. The Land group of the NASA NPP Science Team determined a year into the mission that the VIIRS is an instrument suitable for continuing and further developing the land science currently undertaken using MODIS, and in some aspects provides an improvement over the MODIS …

NASA’s Land, Atmosphere Near-real-time Capability for EOS (LANCE) leverages existing satellite data processing systems in order to provide data and imagery available from select instruments (currently AIRS, AMSR2, ISS LIS, MISR, MLS, MODIS, MOPITT, OMI, OMPS, and VIIRS). Products slated for permanent archive in AS 3002/3001 are still available from LAADS. S-NPP Product Descriptions: VNP09GA. NASA’s Land, Atmosphere Near-real-time Capability for EOS (LANCE) leverages existing satellite data processing systems in order to provide data and imagery available from select instruments (currently AIRS, AMSR2, ISS LIS, MISR, MLS, MODIS, MOPITT, OMI, OMPS, and VIIRS).

The VIIRS LAND EDR will deliver the 17 IGBP land surface types for operational LST retrieval (Table 2).

The Suomi National Polar-orbiting Partnership (NPP) satellite was successfully launched on 28 October 2011.

Forward processing of VIIRS Land data products in AS 3002 was stopped on day 196 (07/14/2016). The NASA Suomi National Polar-Orbiting Partnership (S-NPP) Visible Infrared Imaging Radiometer Suite (VIIRS) Land Surface Temperature and Emissivity (LST&E) Day Version 1 product (VNP21A1D) is compiled daily from daytime Level 2 Gridded (L2G) intermediate products.

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