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Simrad em3002d Backscatter imagery of Penguin Bank, Molokai, Hawaii, USA

Published by Pacific Islands Benthic Habitat Mapping Center (PIBHMC), Coral Reef Ecosystem Division (CRED), Pacific Islands Fisheries Science Center (PIFSC), National Marine Fisheries Service (NMFS), National Oceanic and Atmospheric Administration (NOAA) | National Oceanic and Atmospheric Administration, Department of Commerce | Catalog Last Checked: May 05, 2026 at 09:29 PM | Dataset Last Updated: January 01, 2010 at 12:00 AM
Backscatter imagery extracted from gridded bathymetry of Penguin Bank, Molokai, Hawaii, USA. These data provide almost complete coverage between 0 and 100 meters. The backscatter dataset includes Simrad EM3002d and Reson 8101 data. The sonars frequencies are 300 kHz and 240 kHz respectively and are processed and gridded separately. Because of the similar sonar frequencies the data can be mosaicked nearly seamlessly using GIS software. This metadata is for the Simrad em3002d backscatter data only.

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