Natural Capital Management

Water Indices

This service provides 3 water indices as images for your specified area of interest.

Water indices provide metrics about vegetation properties. Given an area of interest, the algorithm is run using Sentinel-2 to return the indices from the start date to the optional end date. The indices produced are:

• Modified Normalized Difference Water Index (MNDWI),
• Normalized Difference Mud Index (NDMI) and
• WorldView Water Index (WWI).

The imagery is output as a series of GeoTIFF files, each with a single band representing the calculated indices. Pixel values are typically on a normalised scale (-1 to 1), although a small number of indices have different potential ranges of values. All GeoTIFF files are provided at native resolution of the inputs.