Underwater Sound from the RTC Pier { Underwater Acoustics Research Group }

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3D Distributions of Humming Power, 2009 and 2010

yellow and white represent the highest intensities. The humming is seen to be more or less bounded by a start time of 8:00 PM and a stop time of 6:00 AM.

3D Distributions of Humming Power, 2010

yellow and white represent the highest intensities. The humming is seen to be more or less bounded by a start time of 8:00 PM and a stop time of 6:00 AM after July, but during the month of July, morning humming often extended to noon or later.

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