AI-generated Key Takeaways
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The MODIS/MYD09GA_006_NDVI dataset provides daily Normalized Difference Vegetation Index (NDVI) values globally from July 4, 2002, to February 25, 2023.
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NDVI is calculated as (NIR - Red) / (NIR + Red) and ranges from -1.0 to 1.0, indicating vegetation health and density.
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This dataset is generated from MODIS/006/MYD09GA surface reflectance composites and is available through Google Earth Engine.
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The data is freely available for research, education, and non-profit use with no restrictions on subsequent use, sale, or redistribution.
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Users can explore and analyze this dataset using Google Earth Engine's tools and resources for scientific analysis and visualization.
- Dataset Availability
- 2002-07-04T00:00:00Z–2023-02-25T00:00:00Z
- Dataset Provider
- Cadence
- 1 Day
- Tags
Description
The Normalized Difference Vegetation Index is generated from the Near-IR and Red bands of each scene as (NIR - Red) / (NIR + Red), and ranges in value from -1.0 to 1.0. This product is generated from the MODIS/006/MYD09GA surface reflectance composites.
Bands
Bands
| Name | Min | Max | Pixel Size | Description |
|---|---|---|---|---|
NDVI |
-1* | 1* | 463.313 meters | Normalized Difference Vegetation Index |
Terms of Use
Terms of Use
MODIS data and products acquired through the LP DAAC have no restrictions on subsequent use, sale, or redistribution.
Explore with Earth Engine
Code Editor (JavaScript)
var dataset = ee.ImageCollection('MODIS/MYD09GA_006_NDVI') .filter(ee.Filter.date('2018-04-01', '2018-06-01')); var colorized = dataset.select('NDVI'); var colorizedVis = { min: 0, max: 1, palette: [ 'ffffff', 'ce7e45', 'df923d', 'f1b555', 'fcd163', '99b718', '74a901', '66a000', '529400', '3e8601', '207401', '056201', '004c00', '023b01', '012e01', '011d01', '011301' ], }; Map.setCenter(-7.03125, 31.0529339857, 2); Map.addLayer(colorized, colorizedVis, 'Colorized');