Workflow: Water body detection based on NDWI and the otsu threshold

Fetched 2026-03-20 00:09:23 GMT

Water bodies detection based on NDWI and otsu threshold applied to Sentinel-2 or Landsat-9 staged acquisitions

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Inputs

ID Type Title Doc
aoi String area of interest

area of interest as a bounding box

epsg String EPSG code

EPSG code

item Directory STAC item reference

Reference to a STAC item

bands String[] bands used for the NDWI

bands used for the NDWI

Steps

ID Runs Label Doc
node_crop
app-water-body.cwl#crop (CommandLineTool)
node_otsu
app-water-body.cwl#otsu (CommandLineTool)
node_stac
app-water-body.cwl#stac (CommandLineTool)
node_normalized_difference
app-water-body.cwl#norm_diff (CommandLineTool)

Outputs

ID Type Label Doc
stac_catalog Directory
Permalink: https://w3id.org/cwl/view/git/4f1cc093416d60da0e9513fd211bf4c80f67c97a/cwl-workflow/app-water-body.cwl?part=water-bodies