This map, created by Alanna Durkin in ArcGIS, shows interpolated change in oxidation reduction potential over time and the presence of bacterial mats at one of Pea Island B’s seeps.

This map, created by Alanna Durkin in ArcGIS, shows interpolated change in oxidation reduction potential over time and the presence of bacterial mats at one of Pea Island B’s seeps. Image courtesy of DEEP SEARCH 2017, NOAA-OER/BOEM/USGS.

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