Wetland Hydrology Indicators

Monday, September 23, 2013

Allerton Park may have a wetland based on these hydrology Indicators

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Drift deposits and sediment deposits along with a concave, geomorphic surface with stunted vegetation and some true aquatic plants. ...

Hydrogen Sulfide Odor

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We definitely smelled the hydrogen sulfide, so we tried to capture that with pictures of it bubbling to the surface.  I highlighted ...

Inundation/Saturation Visible on Aerial Imagery

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Aerial imagery showed saturation and inundation visible.

Presence of Reduced Iron

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It's hard to see, but there were several small pockets of reduced iron. The iron is easier to see when zoomed in and brighte...

Drainage Patterns

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These were taken near the banks of the pond.  All the grasses were matted down in the same direction from when the water overflowe...

Stunted Growth/FAC-Neutral Test

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There was a very stunted understory next to the stream, so the banks must flood often.  This area also passed the FAC-Neutral test whe...

Sediment Deposits

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This was a bank in the middle of the stream where there was quite a bit of sediment.  Clearly it was close to the water table because t...
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