Intro > Classification > Flats

Flats
Flats have little or no gradient, and the principal water source is precipitation. There is minimal overland flow into or out of the wetland except as saturated flow. Wetlands on flat areas that are subject to stream flooding during a 5-year event are classified as Riverine rather than Flats. Small ponded areas within flats are considered to be normal components of the Flats Class, unless they are deep enough to meet the criteria for the Depression Class. Sites should be considered Slope wetlands rather than Flats if they have sufficient gradient to cause runoff in a single direction, or if groundwater discharge is the principal water source within the wetland. There are two subclasses and six community types in the Flats Class. To learn more about subclasses, click here. To skip that step, click directly on any of the community types listed below. Click here for a view of the entire classification.

Alkali Post Oak Flat		Alkali Wet Prairie
Hardwood Flat		Pine Flat
Post Oak Flat		Wet Tallgrass Prairie

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