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Intertidal subclasses extracted from images

By St. Petersburg Coastal and Marine Science Center September 2021 (approx.)
Four views of a section of an island showing various geomorphic characteristics
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Detailed Description

From left, normalized difference vegetation index (NDVI) spectral indices used to extract (b) water, (c) sand and vegetated, and (d) intertidal subclasses defined in this study. (e) Vector shoreline, sand, and vegetated extents were extracted by contouring the mNDWI, NBLI, and NDVI images using the calculated Otsu thresholds.

Sources/Usage

Public Domain.