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  1. nasa.gov
    https://www.earthdata.nasa.gov › topics › biosphere › vegetation › near-r…

    Vegetation Near Real-Time Data | NASA Earthdata

    May 28, 2025 · Near real-time data provided by NASA's Land, Atmosphere Near real-time Capability for Earth observation (LANCE) can be used to monitor vegetation and crop conditions.

  2. nasa.gov
    https://www.earthdata.nasa.gov › topics › biosphere › vegetation-index

    Vegetation Index | NASA Earthdata

    6 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 …

  3. nasa.gov
    https://www.earthdata.nasa.gov › ... › use-remote-sensing-data-study-ve…

    Use Remote Sensing Data to Study Vegetation Dynamics

    Apr 24, 2025 · Other vegetation measurement proxies include the Combined Fraction of Photosynthetically Active Radiation (FPAR) and the Leaf Area Index . FPAR is defined as the …

  4. nasa.gov
    https://www.earthdata.nasa.gov › news

    The Harmonized Landsat Sentinel-2 Project Releases Vegetation …

    Feb 19, 2025 · Triangular Vegetation Index (TVI), which is a variant of NDVI that enhances its sensitivity to vegetation changes. It is particularly useful in areas with low vegetation cover, …

  5. nasa.gov
    https://www.earthdata.nasa.gov › learn › tutorials › get-started-modis-ve…

    Get Started with MODIS Vegetation Indices Data Part 2 ... - Earthdata

    Apr 24, 2025 · MODIS/Aqua Vegetation Indices 16-Day L3 Global 1 km SIN Grid: MYD13A3.006: MODIS/Aqua Vegetation Indices Monthly L3 Global 1 km SIN Grid: MYD13C1.006: …

  6. nasa.gov
    https://www.earthdata.nasa.gov › topics › land-surface › normalized-diffe…

    Normalized Difference Vegetation Index (NDVI) | 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. A commonly-used vegetation index is the …

  7. nasa.gov
    https://www.earthdata.nasa.gov › topics › biosphere › enhanced-vegetati…

    Enhanced Vegetation Index (EVI) | NASA Earthdata

    6 days ago · Definition: Landsat Enhanced Vegetation Index (EVI) is similar to Normalized Difference Vegetation Index (NDVI) and can be used to quantify vegetation greenness. …

  8. nasa.gov
    https://www.earthdata.nasa.gov › learn › data-in-action › using-populatio…

    Using Population and Remote Sensing Data to Study Reforestation

    Apr 30, 2025 · The MODIS VCF product is a global representation of surface vegetation cover as gradients (percent), including tree cover, non-tree cover, and non-vegetated bare ground, …

  9. nasa.gov
    https://www.earthdata.nasa.gov › learn › earth-observation-data-basics …

    The SAR Handbook | NASA Earthdata

    Companion Files for Using the SAR Handbook. Each chapter of the SAR Handbook is divided into a theory section, which discusses the scientific background of the chapter topic; a tutorial …

  10. nasa.gov
    https://www.earthdata.nasa.gov › topics › biosphere › leaf-area-index

    Leaf Area Index | NASA Earthdata

    6 days ago · In all, the data gives scientists essential information they need to evaluate vegetation stress, forecast agricultural yields, and other modeling and resource management …

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