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Normalized Difference Moisture Index

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The number of vegetation indices supported by GeoPard is continuously growing.

GeoPard team introduces the Normalized Difference Moisture Index (NDMI). The index determines vegetation water content. It is useful for finding the spots with existing water stress in plants

The difference of the vegetation relative water content between two satellite images (Sentinel-2 constellation in this case)
The difference of the vegetation relative water content between two satellite images (Sentinel-2 constellation in this case)


Lower NDMI values mark the spots where the plants are under stress from insufficient moisture.
On the other side, lower NDMI values following the vegetation peak highlight the spots that are becoming ready for harvesting first.

In the following screenshots, you can find the NDMI zones generated based on June 19 (vegetation peak) and July 6 satellite images and the equation map representing the NDMI difference.

Normalized Difference Moisture Index calculated on top of Planet / Sentinel-2 / Landsat image
Normalized Difference Moisture Index calculated on top of Planet / Sentinel-2 / Landsat image
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