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2007 EM300 and EM3002D Multibeam Sonar Data from Cruise Hi'ialakai HI0703 - Commonwealth of the Northern Mariana Islands

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 | Metadata Last Checked: January 27, 2026 | Last Modified: 2007-08-24T00:00:00.000+00:00
EM300 and EM3002D multibeam Data were collected from May 25-June 9, 2007, aboard NOAA Ship Hi'ialakai at Saipan Island, Tinian Island, Sarigan Island, Zealandia Bank, Anatahan Island, Guguan Island, Alamagan Island, Agrihan Island, Asuncion Island, Maug Islands, Supply Reef, Uracus Island, and Pagan Island during cruise HI0703. These multibeam data were collected using SAIC ISS-2000 software in the Generic Sensor Format and processed using SABER editing software. Surface sound velocity values were supplied by a Seabird SBE-45 MicroTSG and a SBE-38 remote temperature probe. Sound velocity corrections from a Seabird 911 CTD sensor and motion corrections from a POS-MV vertical reference were applied to the data in real time. Predicted tides were applied to the data in real time. Horizontal accuracy is 20 m (no differential GPS correctors applied), vertical accuracy is depth dependent (~1% of water depth), WGS84 datum. These data are not to be used for navigation. Depths mapped range from ~20-3000 m. Concurrent mapping at Saipan Island, Tinian Island, Sarigan Island, Zealandia Bank, Anatahan Island, Guguan Island, Alamagan Island, Agrihan Island, Asuncion Island, Maug Islands, Supply Reef, Uracus Island, and Pagan Island was done by the R/V AHI in water depths ranging from ~10-350 m with The data set being AHI0703; (metadata for AHI0703 are submitted separately.)

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CoRIS_Metadata Benthic Habitat Mapping and Characterization - CNMI and Guam 1398 Geographic Information > Bathymetry EARTH SCIENCE > Oceans > Bathymetry/Seafloor Topography > Bathymetry Bathymetry Multibeam sonar Saipan Island Tinian Island Sarigan Island Zealandia Bank Anatahan Island Guguan Island Alamagan Island Agrihan Island Asuncion Island Maug Islands Supply Reef Uracus Island Pagan Island Islands CNMI OCEAN BASIN > Pacific Ocean > Western Pacific Ocean > Saipan Island > Saipan Island (15N145E0002) COUNTRY/TERRITORY > Northern Mariana Islands > Saipan > Saipan Island (15N145E0002) OCEAN BASIN > Pacific Ocean > Western Pacific Ocean > Tinian Island Reefs > Tinian Island (14N145E0005) COUNTRY/TERRITORY > Northern Mariana Islands > Tinian > Tinian Island (14N145E0005) COUNTRY/TERRITORY > Northern Mariana Islands > Sarigan Island > Sarigan Island (16N145E0003) OCEAN BASIN > Pacific Ocean > Western Pacific Ocean > Sarigan Island > Sarigan Island (16N145E0003) OCEAN BASIN > Pacific Ocean > Western Pacific Ocean > Mariana Islands > Zealandia Bank (16N145E0005) COUNTRY/TERRITORY > Northern Mariana Islands > Northern Mariana Islands > Zealandia Bank (16N145E0005) OCEAN BASIN > Pacific Ocean > Western Pacific Ocean > Anatahan Island > Anatahan Island (16N145E0001) COUNTRY/TERRITORY > Northern Mariana Islands > Anatahan > Anatahan Island (16N145E0001) OCEAN BASIN > Pacific Ocean > Western Pacific Ocean > Guguan Island > Guguan Island (17N145E0001) COUNTRY/TERRITORY > Northern Mariana Islands > Guguan > Guguan Island (17N145E0001) COUNTRY/TERRITORY > Northern Mariana Islands > Alamagan Island > Alamagan Island (17N145E0002) OCEAN BASIN > Pacific Ocean > Western Pacific Ocean > Alamagan Island > Alamagan Island (17N145E0002) COUNTRY/TERRITORY > Northern Mariana Islands > Agrihan Island > Agrihan Island (18N145E0002) OCEAN BASIN > Pacific Ocean > Western Pacific Ocean > Agrihan Island > Agrihan Island (18N145E0002) OCEAN BASIN > Pacific Ocean > Western Pacific Ocean > Asuncion Island > Asuncion Island (19N145E0001) COUNTRY/TERRITORY > Northern Mariana Islands > Asuncion Island > Asuncion Island (19N145E0001) OCEAN BASIN > Pacific Ocean > Western Pacific Ocean > Maug Island > Maug Island (20N145E0001) COUNTRY/TERRITORY > Northern Mariana Islands > Maug > Maug Island (20N145E0001) OCEAN BASIN > Pacific Ocean > Western Pacific Ocean > Supply Reef (16N145E0004) COUNTRY/TERRITORY > Northern Mariana Islands > Supply Reef (16N145E0004) OCEAN BASIN > Pacific Ocean > Western Pacific Ocean > Farallon de Pajaros > Farallon de Pajaros (20N144E0001) COUNTRY/TERRITORY > Northern Mariana Islands > Farallon de Pajaros > Farallon de Pajaros (20N144E0001) OCEAN BASIN > Pacific Ocean > Western Pacific Ocean > Pagan Island > Pagan Island (18N145E0001) COUNTRY/TERRITORY > Northern Mariana Islands > Pagan > Pagan Island (18N145E0001) OCEAN BASIN > Pacific Ocean > Western Pacific Ocean > Mariana Islands > Zealandia Bank (16N145E0005)

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