| 1. | The hyporheic zone has been shown to contribute colonists when surface flows recommence.
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| 2. | Because the limestone is very porous there are few surface flows of water.
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| 3. | The surfaces flow every which way, like a clown's elasticized smile.
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| 4. | The two main types of constructed wetlands are subsurface flow and surface flow wetlands.
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| 5. | The sub-surface flow has a strong seasonality with a minimal volume transport in winter.
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| 6. | Constructed wetlands are of two basic types : subsurface flow and surface flow wetlands.
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| 7. | So a surface flow of air from the poles to the equator is formed.
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| 8. | The entire area drains via surface flow which discharges through a replica arroyo section.
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| 9. | But just beneath the surface flows the darker undercurrent.
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| 10. | However, surface flow constructed wetlands may encourage mosquito breeding.
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