Difference Vegetation Index (NDVI) and the Enhanced Vegetation Index (EVI).
The NDVI is referred to as the continuity index to the existing National
Oceanic and Atmospheric Administration-Advanced Very High Resolution
Radiometer (NOAA-AVHRR) derived NDVI. The EVI has improved sensitivity over
high biomass regions.
The algorithm for this product chooses the best available
pixel value from all the acquisitions from the 16-day period. The criteria
used are low clouds, low view angle, and the highest NDVI/EVI value.
Version V006
The MYD13A2 V6 product provides two Vegetation Indices (VI): the Normalized
Difference Vegetation Index (NDVI) and the Enhanced Vegetation Index (EVI).
The NDVI is referred to as the continuity index to the existing National
Oceanic and Atmospheric Administration-Advanced Very High Resolution
Radiometer (NOAA-AVHRR) derived NDVI. The EVI has improved sensitivity over
high biomass regions.
The algorithm for this product chooses the best available
pixel value from all the acquisitions from the 16-day period. The criteria
used are low clouds, low view angle, and the highest NDVI/EVI value.
Name | Description | Gee:scale |
---|---|---|
NDVI | 16-day NDVI average | 0.0001 |
EVI | 16-day EVI average | 0.0001 |
DetailedQA | VI Quality indicators | |
sur_refl_b01 | Surface reflectance band 1 (red) | 0.0001 |
sur_refl_b02 | Surface reflectance band 2 (near-infrared) | 0.0001 |
sur_refl_b03 | Surface reflectance band 3 (blue) | 0.0001 |
sur_refl_b07 | Surface reflectance band 7 (mid-infrared) | 0.0001 |
ViewZenith | View zenith angle of VI Pixel | 0.01 |
SolarZenith | Sun zenith angle of VI pixel | 0.01 |
RelativeAzimuth | Relative azimuth angle of VI pixel | 0.01 |
DayOfYear | Day of year VI pixel | |
SummaryQA | Quality reliability of VI pixel |
Providers | |
---|---|
NASA LP DAAC at the USGS EROS Center (producer, licensor) | |
Google Earth Engine (host) | |
STAC Version | 0.6.2 |
Keywords | 16-day, aqua, evi, global, modis, myd13a2, ndvi, vegetation |
License | proprietary |
Temporal Extent | 2/17/2000, 4:00:00 PM - now |
DOI | https://doi.org/10.5067/MODIS/MYD13A2.006 |
Citation | Please visit [LP DAAC 'Citing Our Data' page](https://lpdaac.usgs.gov/citing_our_data) for information on citing LP DAAC datasets. |
Type | image_collection |
GSD | metersm |
Platform | Aqua |
Instrument | MODIS |
Cadence | days |
cube:dimensions | {"x":{"type":"spatial","axis":"x","extent":[-180,180]},"y":{"type":"spatial","axis":"y","extent":[-90,90]},"temporal":{"type":"temporal","extent":["2000-02-18T00:00:00Z",null]},"bands":{"type":"bands","values":["NDVI","EVI","DetailedQA","sur_refl_b01","sur_refl_b02","sur_refl_b03","sur_refl_b07","ViewZenith","SolarZenith","RelativeAzimuth","DayOfYear","SummaryQA"]}} |