Tag:sinkhole=bluehole
| sinkhole = bluehole |
| Description |
|---|
| A vertical, underwater sinkhole, named after the deep blue color they mainly show. |
| Group: Natural |
| Used on these elements |
| Requires |
| Useful combination |
| Status: approved |
| Tools for this tag |
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A bluehole is a vertical, underwater sinkhole, named after the deep blue color they mainly show. It is typically an area outside natural=coastline, but can be a node if too small to be mapped as an area.
When used on an area, this does not need to be an inner polygon in a multipolygon relation, or otherwise disconnected or excluded of the surrounding waters, as it is included in them, owing to its nature.
Example
The Great Blue Hole, a bluehole in Belize, would be an area tagged this way:
natural=sinkhole sinkhole=bluehole name=Great Blue Hole depth=124
See also
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