Key:ephemeral

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Public-images-osm logo.svg ephemeral
Oybach.JPG
Description
Used to indicate whether or not a waterway or water body only appears for short periods of time after precipitation. Show/edit corresponding data item.
Group: Properties
Used on these elements
may be used on nodesmay be used on waysmay be used on areasshould not be used on relations
Useful combination
See also
Status: in usePage for proposal

An ephemeral waterway or body of water tends to appear for only very short periods of time and only after precipitation. Technically, ephemeral flow is distinct from intermittent or seasonal flow.

Note on status and usage

The proposal for this tag is shown as abandoned, with objections stating to instead use intermittent=* and/or seasonal=*. Although there is significant usage of ephemeral=yes, usage is mostly localised to two large change sets (one in Australia and one in the United States).