Well-Nigh Wordless Wednesday: Tinaja

Many streams in southern Arizona are either ephemeral (they only flow a small part of the year) or intermittent (the water is disjointed during dry seasons with pools of water separated by dry stretches, often connected by underground flow).  Many of those same streams are also partly or completely lined with bedrock, a solid layer of rock over which the water flows.  In bedrock-lined streams, the water doesn’t soak into the ground during dry periods and instead sits on top of the rocks as shrinking pools:

Madera pool

Tinaja in Madera Canyon

These pools are called tinajas (tih-NAH-hahs) and are very important to many desert aquatic insects.  In fact, they are often the only reason many insects survive until the rains return and flow is restored in the stream.  They are absolutely full of life!


Unless otherwise stated, all text, images, and video are copyright © C. L. Goforth

4 thoughts on “Well-Nigh Wordless Wednesday: Tinaja

    • I have a feeling it’s an Arizona thing and they’re not really known by that word anywhere else. It’s kinda like how Arizonans call ranch ponds cattle tanks. Everyone else in the world thinks of those corregated metal watering tanks when they hear the phrase “cattle tank” while Arizonans think of little ponds. We have to be different apparently!

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