gov.noaa.nmfs.inport:47822 eng UTF8 dataset Sensor files and rasters Pacific Islands Fisheries Science Center 808-725-5300 1845 Wasp Blvd. Honolulu HI 96818 USA https://www.pifsc.noaa.gov WWW:LINK-1.0-http--link Website Website for this organization information 8:00 a.m. - 4:30 p.m. resourceProvider DesRochers, Annette M (808)725-5461 1845 Wasp Blvd. Honolulu HI 96818 USA annette.desrochers@noaa.gov 8 am - 5 pm pointOfContact Akridge, Michael W (808)725-5483 1845 Wasp Blvd. Honolulu HI 96818 USA michael.akridge@noaa.gov pointOfContact 2026-03-04T19:17:17 ISO 19115-2 Geographic Information - Metadata Part 2 Extensions for imagery and gridded data ISO 19115-2:2009(E) EM300 Multibeam Sonar Data collected from January 26 to April 22 from NOAA Ship Hi'ialakai cruise HA-15-01 to the Pacific Remote Island Areas and American Samoa in 2015 Multibeam Data, Cruise HA-15-01 2018 publication NOAA/NMFS/EDM 47822 https://www.fisheries.noaa.gov/inport/item/47822 WWW:LINK-1.0-http--link Full Metadata Record View the complete metadata record on InPort for more information about this dataset. information Pacific Islands Fisheries Science Center 808-725-5360 1845 Wasp Blvd. Honolulu HI 96818 USA pifsc.info@noaa.gov https://www.pifsc.noaa.gov WWW:LINK-1.0-http--link Pacific Islands Fisheries Science Center Website Pacific Island Fisheries Science Center homepage information 8:00 a.m. - 4:30 p.m. originator https://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html WWW:LINK-1.0-http--link NCEI Multibeam Bathymetry Archive NCEI is the U.S. national archive for multibeam bathymetric data. Data access includes, 1) Bathymetric Data Viewer (geographic and text search), 2) Multibeam Survey Search (text search), and 3) Custom Maps using AutoGrid tool. download https://www.soest.hawaii.edu/pibhmc WWW:LINK-1.0-http--link Pacific Islands Benthic Habitat Mapping Center website Online Resource download https://www.pifsc.noaa.gov/cred/ WWW:LINK-1.0-http--link Coral Reef Ecosystem Program website Online Resource download mapDigital Multibeam data were collected using a Simrad EM300 30-kHz sonar aboard NOAA Ship Hi'ialakai, a 68-m (218') NOAA research vessel, from January 26 to April 22, 2015 during cruise HA-15-01. Multibeam data were acquired at Johnston, Howland, Baker, Jarvis, and Palmyra in the Pacific Remote Island Areas, and Swains and Tutuila in American Samoa. The multibeam data were collected using Kongsberg SIS software in the *.all format and processed using SABER and QPS Qimera editing software. Surface sound velocity values were supplied by Seabird SBE-45 MicroTSG and a SBE-38, and motion corrections from a TSS/Applanix POS MV (Model 320 Version 4) vertical reference were applied to the data in real time. WGS84 datum. The vessel is equipped with a sound velocity profiler; however, no casts were acquired during mapping operations. Attempts were made to improve vertical fit of the EM300 data by using sound velocity profile data from other sources (data from previous cruises, and synthetic data derived from World Ocean Atlas using velocipy); however, these alternatives were not effective. Resulting vertical discrepancies with pre-existing surfaces are ±10m; however, the EM300 data cover deep depths (up to 4800m) and therefore these errors were considered acceptable. The EM300 data only covered new terrain around Howland and Baker islands, and therefore only the data for these areas have been processed. Depths mapped range from ~50 m to 4800 m. These data are not to be used for navigation. The Pacific Islands Deep-Sea Coral and Sponge Initiative (PICSI) aimed to map and characterize deep-sea coral and sponge ecosystems of the Pacific Marine National Monuments in select areas of the U.S. Pacific Islands through systematic field surveys that utilize bathymetry and other seascape features to prioritize survey locations. Data collected by the NOAA Ecosystem Sciences Division (ESD) in 2015 was intended to gap-fill pre-existing bathymetry coverage around the U.S. Pacific Islands visited during ESD's Pacific Reef Assessment and Monitoring Program cruise to the Pacific Remote Island Areas and American Samoa. PIFSC Ecosystem Sciences Division completed DesRochers, Annette M (808)725-5461 1845 Wasp Blvd. Honolulu HI 96818 USA annette.desrochers@noaa.gov 8 am - 5 pm pointOfContact Akridge, Michael W (808)725-5483 1845 Wasp Blvd. Honolulu HI 96818 USA michael.akridge@noaa.gov pointOfContact Lichowski, Frances (808)725-5476 1845 Wasp Blvd. Honolulu HI 96818 USA frances.lichowski@noaa.gov custodian Akridge, Michael W (808)725-5483 1845 Wasp Blvd. Honolulu HI 96818 USA michael.akridge@noaa.gov custodian notPlanned Geographic Information > Bathymetry theme CoRIS Discovery Thesaurus EARTH SCIENCE > Biosphere > Aquatic Habitat > Benthic Habitat EARTH SCIENCE > Biosphere > Aquatic Habitat > Reef Habitat EARTH SCIENCE > Biosphere > Zoology > Corals > Reef Monitoring and Assessment > Mapping EARTH SCIENCE > Oceans > Bathymetry/Seafloor Topography > Bathymetry EARTH SCIENCE > Oceans > Coastal Processes > Coral Reefs theme CoRIS Theme Thesaurus BATHYMETRY theme NODC DATA TYPES THESAURUS Geophysical theme NODC OBSERVATION TYPES THESAURUS HI'IALAKAI theme NODC PLATFORM NAMES THESAURUS US DOC; NOAA; NMFS; Pacific Islands Fisheries Science Center; Ecosystem Sciences Division; Coral Reef Ecosystem Program theme NODC SUBMITTING INSTITUTION NAMES THESAURUS COUNTRY/TERRITORY > United States of America > American Samoa > American Samoa > American Samoa (14S170W0000) COUNTRY/TERRITORY > United States of America > American Samoa > American Samoa > Swains Atoll (11S171W0001) COUNTRY/TERRITORY > United States of America > American Samoa > American Samoa > Tutuila Island (14S170W0016) COUNTRY/TERRITORY > United States of America > USA Minor Outlying Islands > Baker Island (00N176W0001) COUNTRY/TERRITORY > United States of America > USA Minor Outlying Islands > Howland Island (00S176W0001) COUNTRY/TERRITORY > United States of America > USA Minor Outlying Islands > Jarvis Island (00S160W0001) COUNTRY/TERRITORY > United States of America > USA Minor Outlying Islands > Johnston Atoll (16N169W0001) COUNTRY/TERRITORY > United States of America > USA Minor Outlying Islands > Palmyra Atoll (05N162W0001) OCEAN BASIN > Pacific Ocean > American Samoa > American Samoa (14S170W0000) OCEAN BASIN > Pacific Ocean > American Samoa > Swains Atoll (11S171W0001) OCEAN BASIN > Pacific Ocean > American Samoa > Tutuila Island (14S170W0016) OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Baker Island > Baker Island (00N176W0001) OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Howland Island > Howland Island (00S176W0001) OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Johnston Atoll > Johnston Atoll (16N169W0001) OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Line Islands > Jarvis Island (00S160W0001) OCEAN BASIN > Pacific Ocean > Central Pacific Ocean > Line Islands > Palmyra Atoll (05N162W0001) place CoRIS Place Thesaurus Equatorial Pacific Ocean Pacific Remote Islands Marine National Monument South Pacific Ocean place NODC SEA AREA NAMES THESAURUS SEA FLOOR stratum Global Change Master Directory CRED CREP Coral Reef Ecosystem Division Coral Reef Ecosystem Program ESD Ecosystem Sciences Division Multibeam sonar PIBHMC PIFSC Pacific Islands Benthic Habitat Mapping Center Pacific Islands Fisheries Science Center seafloor elevation theme PRIA Pacific Remote Island Areas place DOC/NOAA/NMFS/PIFSC > Pacific Islands Fisheries Science Center, National Marine Fisheries Service, NOAA, U.S. Department of Commerce dataCentre Global Change Master Directory (GCMD) Data Center Keywords 2017-04-24 publication 8.5 Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA) https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords GCMD Keyword Forum Page Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 22. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords information custodian Cruise Metadata Catalog for Multibeam Mapping Missions project InPort otherRestrictions Cite As: Pacific Islands Fisheries Science Center, [Date of Access]: EM300 Multibeam Sonar Data collected from January 26 to April 22 from NOAA Ship Hi'ialakai cruise HA-15-01 to the Pacific Remote Island Areas and American Samoa in 2015 [Data Date Range], https://www.fisheries.noaa.gov/inport/item/47822. NOAA provides no warranty, nor accepts any liability occurring from any incomplete, incorrect, or misleading data, or from any incorrect, incomplete, or misleading use of the data. It is the responsibility of the user to determine whether or not the data is suitable for the intended purpose. otherRestrictions Access Constraints: none otherRestrictions Use Constraints: Please cite NOAA Ecosystem Sciences Division (ESD) when using the data. Suggested citation: Ecosystem Sciences Division; Pacific Islands Fisheries Science Center (2018). EM300 Multibeam Sonar Data collected from January 26 to April 22 from NOAA Ship Hi'ialakai cruise HA-15-01 to the Pacific Remote Island Areas and American Samoa in 2015. NOAA's National Center for Environmental Information, https://www.fisheries.noaa.gov/inport/item/47822. otherRestrictions Distribution Liability: While every effort has been made to ensure that these data are accurate and reliable within the limits of the current state of the art, NOAA cannot assume liability for any damages caused by errors or omissions in the data, nor as a result of the failure of the data to function on a particular system. NOAA makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty. unclassified Not applicable Not applicable EM300 Multibeam Sonar Data collected from May 7 to May 22 from NOAA Ship Hi'ialakai cruise HA-17-01 to the Commonwealth of Northern Mariana Islands (CNMI) and Guam in 2017 NOAA/NMFS/EDM 47803 series Gridded multibeam bathymetry of Baker Island, Pacific Remote Island Areas, Central Pacific NOAA/NMFS/EDM 47744 series Gridded multibeam bathymetry of Howland Island, Pacific Remote Island Areas, Central Pacific NOAA/NMFS/EDM 47761 series NOAA Data Management Plan (DMP) NOAA/NMFS/EDM 47822 https://www.fisheries.noaa.gov/inportserve/waf/noaa/nmfs/pifsc/dmp/pdf/47822.pdf WWW:LINK-1.0-http--link NOAA Data Management Plan (DMP) NOAA Data Management Plan for this record on InPort. information crossReference eng; US elevation oceans Bathymetry data acquired using Kongsberg SIS (*all format). Post-processing conducted in SABER and QPS Qimera. Where data are of sufficient coverage and quality (Howland and Baker islands), data archived as processed *gsf. The Hi'ialakai's equipment serial numbers, software versions and sensor configuration settings are as follows: ~~~~~~~~~~ SIMRAD EM300 multibeam echosounder Serial #: 303 PU Software Versions: PU: 2.0.0 040330 DDS: *** BSP: 2.3.1 040131 SPRX: 1.1.3 040427 SPTX: 1.1.4 001016 SIS Software Version: 3.2.2, build 54, Sept 7 2006 ~~~~~~~~~~ SIMRAD EM3002D multibeam echosounders Serial #: 357 and 353 PU Software Versions: HCT: 2.0.7 040906 BSP67 Master: 1.3.1 060113 BSP67 Slave: 1.3.1 060113 PU: 1.8.7 060831 DDS: 3.18 2005/11/24 SIS Software Version: 3.2.2, build 54, Sept 7 2006 ~~~~~~~~~~ HI'IALAKAI POS/MV Model 320, version 4.000000 PCS serial #: 2484.000000 IMU serial #: 1333 PCS Firmware: 2.900000 Controller software: v 3.410000 ~~~~~~~~~~ Seabird SBE 9/11 plus CTD: Serial #: 09P35130-0737 ~~~~~~~~~~ Hi'ialakai Lever Arm Distances and Alignment Offsets: The Hi'ialakai's Reference Point (RP) is a granite block situated 1.222 m starboard of the ship's centerline, 1.23 m above the ship's baseline/datum on the keel. The RP is located under the forward deck, in the ship's laundry room. The ship's sensors, the sonar systems and permanent benchmarks are measured with respect to the RP. Positive X means the point is forward of the RP, positive Y means the point is to starboard of the RP, positive Z means the point is below the RP. The survey waterline is defined to be at the 15' draft mark on the vessel's starboard side. ~~~~~~~~~~ POS/MV Settings: RP to IMU, m X= 0.434 Y= 0.0 Z= -0.117 RP to Primary POS Antenna X= -1.532 Y= -2.874 Z= -22.267 POS GAMS Baseline X= -0.11 Y= 3.096 Z= -0.001 ~~~~~~~~~~ EM300 Settings: X Y Z Pos sensors 1 2 & 3, m 0 0 0 TX Transducer, m -4.09 -2.22 1.73 RX Transducer, m -6.07 -1.22 1.73 Attitude sensors 1 & 2, m 0 0 0 Waterline, m -3.25 -----Roll Pitch Heading TX Transducer, deg 0.00 0.00 0.00 RX Transducer, deg 0.00 0.00 0.00 Attitude 1, deg -0.11 0.00 0.00 Attitude 2, deg 0 0 0 Stand-alone heading, deg 0 ~~~~~~~~~~ EM3002D Settings: Pos sensors 1 2 & 3, m 0 0 0 Sonar head 1 (port), m 4.44 -1.48 1.56 Sonar head 2 (stbd), m 4.44 -0.96 1.56 Attitude sensors 1 & 2, m 0 0 0 Waterline, m -3.26 Depth sensor, m 0 0 0 -----Roll Pitch Heading Sonar head 1 (port), deg 39.83 0.97 0.43 Sonar head 2 (stbd), deg -39.62 1.13 358.56 Attitude 1, deg 0.00 0.00 0.00 Attitude 2, deg 0 0 0 Stand-alone heading, deg 0 ~~~~~~~~~~ Resource Description: EM300 and EM3002D Multibeam Sonar Data from Cruise Hi'ialakai HA-15-01 Johnston, Howland, Baker, Jarvis and Palmyra of the Pacific Remote Islands Marine National Monument, and Tutuila and Swains in American Samoa. -176.737566 -176.56212 0.741496 0.867447 Howland -176.618246 -176.368775 0.068394 0.300726 Baker -160.103271 -159.889573 -0.468865 -0.285209 Jarvis -169.695029 -169.270211 16.572987 16.883694 Johnston -162.357356 -161.916751 5.772677 6.040206 Palmyra -170.928197 -170.484814 -14.384053 -14.195351 Tutuila -171.21861111111 -170.94055555556 -11.188662 -10.934991 Swains Dates multibeam data were collected during NOAA Ship Hi'ialakai mission HA-15-01. | Currentness: Ground Condition 2015-01-26 2015-04-22 The Hi'ialakai's survey sensors include a 30 kHz Simrad EM300 sonar and a 300 kHz Simrad EM3002d sonar, which measure bathymetry and acoustic backscatter imagery. However, as a result of concerns associated with the EM3002d sonar and deviations from data acquisition protocols (e.g., no sound velocity profiles), and considering the newly acquired data only covered areas previously surveyed, the data acquired with the EM3002d sonar will not be archived. false eng false GIS File Multibeam_Bathymetry_Products 2018-02-01 publication GeoTIFF PDF - Adobe Portable Document Format GeoTIFF ALL - Kongsberg ALL Format GSF - Generic Sensor Format NOAA National Centers for Environmental Information ncei.info@noaa.gov https://www.ncei.noaa.gov/contact WWW:LINK-1.0-http--link NCEI Contact Information Information for contacts at NCEI. information distributor https://www.ngdc.noaa.gov/ships/hi_ialakai/HA1501_mb.html WWW:LINK-1.0-http--link Howland_EM300_post_draft_40m_clean.tif Multibeam bathymetry grid for Howland Island, acquired during NOAA Ship Hi'ialakai cruise HA-15-01. *Data are currently in the process of being archived and will be accessible via NCEI's Bathymetry portal once complete. download https://www.ngdc.noaa.gov/ships/hi_ialakai/HA1501_mb.html WWW:LINK-1.0-http--link Combined_RAMP_MBES-report_11092017.pdf The report describes processing of multibeam echosounder (MBES) bathymetry data acquired aboard the Hi'ialakai during NOAA RAMP cruises between 2015 and 2017. Report also discusses data quality and coverage issues that impacted which data were archived to the NOAA National Centers for Environmental Information (NCEI) and used to update bathymetric products produced by the NOAA Ecosystem Sciences Division, and available on the Pacific Islands Benthic Habitat Mapping Center website (https://www.soest.hawaii.edu/pibhmc/cms/). "Multibeam bathymetry data from 2015-2017 RAMP cruises (ASRAMP; HARAMP; MARAMP)" *Data and reports are currently in the process of being archived and will be accessible via NCEI's Bathymetry portal once complete. download https://www.ngdc.noaa.gov/ships/hi_ialakai/HA1501_mb.html WWW:LINK-1.0-http--link Baker_1501_EM300_40m.tif Multibeam bathymetry grid for Baker Island, acquired during NOAA Ship Hi'ialakai cruise HA-15-01. *Data are currently in the process of being archived and will be accessible via NCEI's Bathymetry portal once complete. download https://www.ngdc.noaa.gov/ships/hi_ialakai/HA1501_mb.html WWW:LINK-1.0-http--link *.all Version1 data are the raw (as collected) multibeam files (*.all) acquired during cruise HA-15-01 aboard the Hi'ialakai from Jan 26 to April 22 2015 around Johnston, Howland, Baker, Jarvis, and Palmyra in the Pacific Remote Island Areas, and Swains and Tutuila in American Samoa. *Data are currently in the process of being archived and will be accessible via NCEI's Bathymetry portal once complete. download https://www.ngdc.noaa.gov/ships/hi_ialakai/HA1501_mb.html WWW:LINK-1.0-http--link *.gsf Version2 data are the processed multibeam files (*.gsf) acquired during cruise HA-15-01 aboard the Hi'ialakai for Howland and Baker islands in the Pacific Remote Island Areas. *Data are currently in the process of being archived and will be accessible via NCEI's Bathymetry portal once complete. download dataset Accuracy Horizontal_Positional_Accuracy_Value: 20 (no DGPS corrections applied) Vertical_Positional_Accuracy_Value: Vertical accuracy is depth dependent (~0.5% of water depth). Completeness Report As a result of concerns associated with the EM3002d sonar and deviations from data acquisition protocols (e.g., no sound velocity profiles), and considering the newly acquired data only covered areas previously surveyed, the data acquired with the EM3002d have not been archived. All raw EM300 data were archived; however, EM300 data only covered new terrain around Howland and Baker islands, and therefore only the data for these areas have been processed and incorporated into map products. Conceptual Consistency These data are believed to be logically consistent though no tests were performed Multibeam data processing procedures. -Raw data were acquired with Kongsberg SIS (*all) -*all data were converted to *gsf within SABER processing software -Vessel offset corrections were applied in SABER -Corrected *gsf files were imported into QPS Qimera for editing and surface production -Where data were of sufficient coverage and quality, a medium-tension spline filter was used to remove spurious data, and further manual editing was conducted to remove any remaining noise. -Final surface grids were exported from Qimera to GeoTiff. 2017-11-09T00:00:00 otherRestrictions otherRestrictions Access Constraints: None | Use Constraints: None Kongsberg EM300 Multibeam Echosounder The EM 300 multibeam echo sounder is designed to do mapping from 10 m depth to beyond the continental rises, including the shallower ocean basins. It operates down to more than 5000 m depth with swath widths up to about 5000 m. Small transducers and compact electronics make the installation easy, and the system accuracy is generally well within the IHO standards. The EM 300 is a complete system. All necessary sensor interfaces, data displays for quality control and sensor calibration, seabed visualization, and data logging are a standard part of the system, as is integrated seabed acoustical imaging capability (sidescan). The nominal sonar frequency is 30 kHz with an angular coverage sector of up to 150 degrees and 135 beams per ping as narrow as 1 degree. Achievable swath width on a flat bottom will normally be up to 5.5 times the water depth. The angular coverage sector and beam pointing angles may be set to vary automatically with depth according to achievable coverage. This maximizes the number of usable beams. The beam spacing is normally equidistant with equiangle available. The EM 300 multibeam system was in production from 1997 to 2007 and was replaced with the EM 302. NOAA Ship Hi‘ialakai NOAA Ship Hi‘ialakai is a multipurpose oceanographic research vessel whose primary missions include coral reef ecosystem mapping, coral reef health and fish stock studies, and maritime heritage surveys in the Pacific Islands Region. A T-AGOS class vessel, Hi‘ialakai was built in 1984 for the U.S. Navy and served as the U.S. Naval Vessel Vindicator. The ship was then transferred to the U.S. Coast Guard, and finally to NOAA in 2002, when it was converted to conduct coral reef research. The ship was commissioned in the NOAA fleet in 2004. The 224-ft. ship is renowned for its work since 2004 assessing the health of coral reefs throughout the Pacific Islands. Scuba diving operations play a major role in the ship’s mission, and Hi‘ialakai is equipped for both shallow- and deep-water dive projects. The ship carries three small workboats that transfer divers to the working grounds, a 15-person dive locker to store scientific gear and equipment, and an air compressor to fill tanks. As Hi‘ialakai frequently operates in remote areas, the ship also carries a three-person, double-lock decompression chamber. In the event of a diving accident, the diver can be treated onsite. The ship supports a scientific crew of ~22 and is equipped with wet and dry labs, a computer/electronics room, and a scientific freezer. Data collection systems include an acoustic current Doppler profiler, CTDs and water samples, a thermosalinograph, and two Kongsberg multibeam echosounders (EM300 and EM3002d). The ship supported multibeam mapping operations across the Pacific Island Regions primarily between 2004 and 2008. In addition to supporting NOAA projects, Hi‘ialakai works in partnership with the University of Hawaii, State of Hawaii, and the U.S. Fish and Wildlife Service. The ship is homeported at the NOAA Marine Operations Center-Pacific Islands in Honolulu. Kongsberg EM300 Multibeam Echosounder The EM 300 multibeam echo sounder is designed to do mapping from 10 m depth to beyond the continental rises, including the shallower ocean basins. It operates down to more than 5000 m depth with swath widths up to about 5000 m. Small transducers and compact electronics make the installation easy, and the system accuracy is generally well within the IHO standards. The EM 300 is a complete system. All necessary sensor interfaces, data displays for quality control and sensor calibration, seabed visualization, and data logging are a standard part of the system, as is integrated seabed acoustical imaging capability (sidescan). The nominal sonar frequency is 30 kHz with an angular coverage sector of up to 150 degrees and 135 beams per ping as narrow as 1 degree. Achievable swath width on a flat bottom will normally be up to 5.5 times the water depth. The angular coverage sector and beam pointing angles may be set to vary automatically with depth according to achievable coverage. This maximizes the number of usable beams. The beam spacing is normally equidistant with equiangle available. The EM 300 multibeam system was in production from 1997 to 2007 and was replaced with the EM 302.