Tidal Influence
Extensive areas of the historic marsh below the high tide line are isolated from tidal influence by berms and dikes. Tidal flooding is limited to the south-central portion of the slough, extending into several of the major tributaries. Tidal amplitude in the upper reaches of the slough is diminished. During the summer months the tidal amplitude may become attenuated and eventually eliminated by progressive berming of the mouth. The beach berm is mechanically breached to maintain water quality in the slough.
The Slough is fed by a watershed area of 45 square miles (117 km²).
Read more about this topic: Goleta Slough
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