Parent Layer: BOEM Seafloor Anomalies

Name: Plumes EK60 points

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Description: Detected by NOAA’s RV Okeanos Explorer during cruises in 2011 and 2012, this class represents plumes of gas found in the water column, originating from seafloor seeps, as detected by EK60 single beam sonar. Due to the relatively similar acoustic properties of oil and water, this sonar are unable to discern if oil seepage is associated with any of these gas plume sites. The EK60 swath width of detection is around 20-60 feet depending on water depth. Many of these plumes helped confirm BOEM seep-related anomaly polygons.

Copyright Text: William Shedd (william.shedd@boem.gov) & Kody Kramer (kody.kramer@boem.gov), Bureau of Ocean Energy Management, Office of Resource Evaluation, New Orleans, LA, and NOAA

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Spatial Reference: 102100  (3857)

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