ephemeral

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Related to Ephemeral channel: Intermittent stream, Perennial stream, Ephemeral river

ephemeral

Biology
1. a short-lived organism, such as the mayfly
2. a plant that completes its life cycle in less than one year, usually less than six months
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

ephemeral

Temporary. Fleeting. Transitory. See ephemeral message app.
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References in periodicals archive ?
Finally, we included a parameter that described the shortest horizontal distance from the location of interest to a known ephemeral channel position.
He noted that most rivers in Botswana are merely ephemeral channels as they are usually not flowing above ground except in the summer rainy season.
Some sites were located in ephemeral channels within an interrupted stream, so there were potential upstream sources of aquatic organisms, which may explain in part why ca.