Vegetation Index - NASA Earthdata
Dec 26, 2025 · Vegetation indices measure the amount of green vegetation over a given area and can be used to assess vegetation health. NASA’s Earth-observing satellites collect several different …
Use Remote Sensing Data to Study Vegetation Dynamics
Aug 28, 2025 · Overview Remote sensing data can be used to study vegetation dynamics, such as plant healthiness. Like all objects, plants have unique spectral characteristics, and this information can be …
MEaSUREs Vegetation Continuous Fields (VCF) Yearly Global 0
Dec 16, 2025 · Fractional vegetation cover (FVC) is the ratio of the area of the vertical projection of green vegetation above ground to the total area, capturing the horizontal distribution and density of …
Normalized Difference Vegetation Index (NDVI) - NASA Earthdata
3 days ago · Vegetation indices are used to remotely examine vegetation over a given area. One commonly-used index is the Normalized Difference Vegetation Index (NDVI), which uses the …
The Harmonized Landsat Sentinel-2 Project Releases Vegetation Indices
Feb 19, 2025 · NASA’s Harmonized Landsat and Sentinel-2 (HLS) project released two new products, the Landsat 30-meter Vegetation Index (HLSL30VI) and Sentinel-2 30-meter Vegetation Index …
Global Vegetation Greenness (NDVI) from AVHRR GIMMS-3G+, 1981 …
Description This dataset holds the Global Inventory Modeling and Mapping Studies-3rd Generation V1.2 (GIMMS-3G+) data for the Normalized Difference Vegetation Index (NDVI). NDVI was based on …
HLS Sentinel-2 Multi-spectral Instrument Vegetation Indices Daily ...
The HLSS30 Vegetation Indices (HLSS30_VI) product is derived from Sentinel-2A, Sentinel-2B, and Sentinel-2C MSI data products. Vegetation indices combine specific bands of satellite data to …
Impacts of the Largest Dam in China on the Local Vegetation Cover
May 28, 2025 · An increase in dense vegetation cover is observed in elevation zones 2 and 3 (175 to 775 meters). The authors attribute the change in vegetation cover type to a possible increase in local …
MODIS/Terra Vegetation Continuous Fields Yearly L3 Global
The MOD44B Version 6 Vegetation Continuous Fields (VCF) yearly product is a global representation of surface vegetation cover as gradations of three ground cover components: percent tree cover, …
MODIS/Terra Vegetation Indices Monthly L3 Global 1km SIN Grid V061
Vegetation indices are used for global monitoring of vegetation conditions and are used in products displaying land cover and land cover changes. These data may be used as input for modeling global …