Vegetation Index - NASA Earthdata
3 days ago · 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 22, 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
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 interpreted …
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 …
Jan 22, 2026 · 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 …
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 …
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 Indices Monthly L3 Global 1km SIN Grid V061
The Terra Moderate Resolution Imaging Spectroradiometer (MODIS) Vegetation Indices Monthly (MOD13A3) Version 6.1 data are provided monthly at 1 kilometer (km) spatial resolution as a gridded …
Solar Induced Fluorescence (SIF) Observations for Assessing Vegetation ...
Oct 15, 2025 · Description Solar-induced chlorophyll fluorescence (SIF) provides a unique remote sensing approach for measuring photosynthetic activity, offering real-time insights into vegetation …
Land Processes Distributed Active Archive Center - Earthdata
NASA's Land Processes Distributed Active Archive Center provides data crucial to the investigation, characterization, and monitoring of biological, geological, hydrological, ecological, and related …