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16km VH (Blended, since 1982)

4 km VH (Blended, since 1982)

VH Time Series by administrative regions

% Drought Area by administrative regions

VH Time Series by administrative regions for specific crop

% Drought Area by administrative regions specific crop

1 km VH (VIIRS, since 2012)

SEVIRI

MODIS VH

Ancillary Data

Validation

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Technique Background

Data and images displayed on STAR sites are provided for experimental use only and are not official operational NOAA products. More information>>

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Note: VH product was produced by using VIIRS NOAA20 (J01) data only since week 30 of 2022. click here for detail.

STAR - Global Vegetation Health Products : Sensitivity of NDVI to the Noise of ABI Visible Band

The picture below shows how NDVI change with the noise of visible band. Click here for detail.