Vegetation Index - NASA Earthdata
Jan 8, 2026 · 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 …
Normalized Difference Vegetation Index (NDVI) - NASA Earthdata
Jan 13, 2026 · 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 …
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
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 vegetation on the …
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 …
Vegetation Near Real-Time Data - NASA Earthdata
Jan 13, 2026 · Vegetation Near Real-Time Data Near real-time data provided by NASA's Land, Atmosphere Near real-time Capability for Earth observation (LANCE) can be used to monitor …
MODIS/Terra Vegetation Continuous Fields Yearly L3 Global
Description The MOD44B Version 6.1 Vegetation Continuous Fields (VCF) yearly product is a global representation of surface vegetation cover as gradations of three ground cover components: percent …
Harmonized Landsat and Sentinel-2 Vegetation Indices (HLS-VI) Data ...
Feb 18, 2025 · The nine vegetation indices in the HLS-VI data products are: Normalized Difference Vegetation Index (NDVI), Enhanced Vegetation Index (EVI), Soil Adjusted Vegetation Index (SAVI), …
PhenoCam Dataset v3.0: Vegetation Phenology from Digital Camera …
This dataset provides vegetation phenological observations for 738 sites across diverse ecosystems of the world (mostly North America) from 2000 to 2023. The phenology data were derived from …
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 …