gov.noaa.nodc:0259452 eng utf8 model NOAA National Centers for Environmental Information ncei.info@noaa.gov https://www.ncei.noaa.gov/contact HTTPS NOAA Contact Information Information for contacts at NCEI. information custodian 2025-12-16T13:07:44Z ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data ISO 19115-2:2009(E) NCCOS Mapping: Satellite derived bathymetry and benthic habitat mapping to support sea level rise models for the area surrounding Roi-Namur Island, Kwajalein Atoll, Republic of the Marshall Islands (NCEI Accession 0259452) 2022-09-14 publication 2022-09-06 creation International DOI Foundation (IDF) 10.25921/89ns-h092 NOAA National Centers for Environmental Information gov.noaa.nodc:0259452 NCEI Archive Management System 0259452 NOAA National Centers for Environmental Information ncei.info@noaa.gov https://www.ncei.noaa.gov/contact HTTPS NCEI Contact Information Information for contacts at NCEI. information publisher NOAA National Centers for Coastal Ocean Science (NCCOS) https://coastalscience.noaa.gov/ HTTPS NOAA National Centers for Coastal Ocean Science (NCCOS) website Institution web page information resourceProvider Don Field NOAA National Centers for Coastal Ocean Science (NCCOS) don.field@noaa.gov https://coastalscience.noaa.gov/ HTTPS NOAA National Centers for Coastal Ocean Science (NCCOS) website Institution web page information principalInvestigator Greg Piniak NOAA National Centers for Coastal Ocean Science (NCCOS) greg.piniak@noaa.gov https://coastalscience.noaa.gov/ HTTPS NOAA National Centers for Coastal Ocean Science (NCCOS) website Institution web page information pointOfContact NOAA National Centers for Coastal Ocean Science (NCCOS) NCCOS Data Manager nccos.data@noaa.gov https://coastalscience.noaa.gov/ HTTPS NOAA National Centers for Coastal Ocean Science (NCCOS) website Institution web page information pointOfContact Amit Malhotra NOAA National Centers for Coastal Ocean Science (NCCOS) amit.malhotra@noaa.gov https://coastalscience.noaa.gov/ HTTPS NOAA National Centers for Coastal Ocean Science (NCCOS) website Institution web page information principalInvestigator Field, Don NOAA National Centers for Coastal Ocean Science https://coastalscience.noaa.gov/ HTTPS NOAA National Centers for Coastal Ocean Science (NCCOS) website Institution web page information author Malhotra, Amit NOAA National Centers for Coastal Ocean Science https://coastalscience.noaa.gov/ HTTPS NOAA National Centers for Coastal Ocean Science (NCCOS) website Institution web page information author Piniak, Greg NOAA National Centers for Coastal Ocean Science https://coastalscience.noaa.gov/ HTTPS NOAA National Centers for Coastal Ocean Science (NCCOS) website Institution web page information author NOAA National Centers for Coastal Ocean Science (NCCOS) https://coastalscience.noaa.gov/ HTTPS NOAA National Centers for Coastal Ocean Science (NCCOS) website Institution web page information contributor tableDigital Satellite Derived Bathymetry (SDB), benthic habitat, and hydrodynamic friction maps were generated for a study area surrounding Roi-Namur Island, part of the Kwajalein Atoll of the Republic of the Marshall Islands. The SDB and habitat maps were generated from WorldView-2 and -3 satellite imagery. These layers were needed as part of a larger effort to model the impacts of sea-level rise and inundation on Department of Defense installations on atolls in the Pacific Ocean. Tide corrected depth data to parameterize the SDB models and underwater video to aid in classification of the benthic habitat map were collected in the field during an April 2014 mission to Kwajalein Atoll. No video data were submitted in this dataset. For a complete description technique and results see Field et al. 2022. The SDB, benthic habitat and hydrodynamic friction maps developed through this effort were a necessary component of a larger research project led by the USGS Pacific Coastal and Marine Science Center. That project is examining the impacts of sea-level rise and climate change on Department of Defense installations on atolls in the Pacific Ocean. The products described here were a necessary and crucial component of the project models that assessed the impact of seal-level rise and storm-wave inundation on atoll infrastructure and freshwater availability. This was a cooperative effort between the USGS Pacific Coastal and Marine Science Center, the University of Hawaii and NCCOS. Funding Agency: NOAA National Centers for Coastal Ocean Science (NCCOS) Funding Agency: US DOD; Strategic Environmental Research and Development Program (SERDP) Partner: U.S. Geological Survey Partner: USGS Pacific Coastal and Marine Science Center completed historicalArchive NOAA National Centers for Environmental Information ncei.info@noaa.gov https://www.ncei.noaa.gov/contact HTTPS NCEI Contact Information Information for contacts at NCEI. information pointOfContact asNeeded https://www.ncei.noaa.gov/access/metadata/landing-page/bin/gfx?id=gov.noaa.nodc:0259452 Preview graphic PNG 0259452 NCEI ACCESSION NUMBER 2022-08-29 publication DEPTH - SENSOR HABITAT - BENTHIC theme NODC DATA TYPES THESAURUS echo sounder instrument NODC INSTRUMENT TYPES THESAURUS model output theme NODC OBSERVATION TYPES THESAURUS NOAA National Centers for Coastal Ocean Science dataCentre NODC COLLECTING INSTITUTION NAMES THESAURUS NOAA National Centers for Coastal Ocean Science dataCentre NODC SUBMITTING INSTITUTION NAMES THESAURUS CORAL REEF STUDIES project NODC PROJECT NAMES THESAURUS Northwest Pacific Ocean (limit-180) place NODC SEA AREA NAMES THESAURUS oceanography theme WMO_CategoryCode 2012-09-15 publication DOC/NOAA/NOS/NCCOS > National Centers for Coastal Ocean Science, National Ocean Service, NOAA, U.S. Department of Commerce dataCentre Global Change Master Directory (GCMD) Data Center Keywords 2026 revision 23 Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA) Greenbelt MD https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords HTTPS GCMD Keyword Forum Page Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 21. 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 Coral Reef Project: Kwajalein Island Development of Satellite-derived Bathymetry and Benthic Habitat Maps to Support Sea Level Rise Studies in the South Pacific Impacts of Changing Climate on Pacific Island-Based Defense Installations - RC-2336 project Provider Project Names EARTH SCIENCE > BIOSPHERE > ECOSYSTEMS > MARINE ECOSYSTEMS > BENTHIC theme Global Change Master Directory (GCMD) Science Keywords 2026 revision 23 Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA) Greenbelt MD https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords HTTPS GCMD Keyword Forum Page Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 21. 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 Coastal Change > Climate Impacts on Ecosystems Marine Spatial Ecology > Habitat Mapping theme NCCOS Research Areas Derived Data Product Geospatial Model theme NCCOS Research Data Types Coral Reefs Hydrodynamic Friction Remote Sensing theme Provider Keywords ECHO SOUNDERS > ECHO SOUNDERS instrument Global Change Master Directory (GCMD) Instrument Keywords 2026 revision 23 Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA) Greenbelt MD https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords HTTPS GCMD Keyword Forum Page Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 21. 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 Fathometer Models/Analyses > Data Analysis > Environmental Modeling instrument Provider Instruments OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN Ocean > Pacific Ocean > Western Pacific Ocean > Micronesia > Marshall Islands place Global Change Master Directory (GCMD) Location Keywords 2026 revision 23 Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA) Greenbelt MD https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords HTTPS GCMD Keyword Forum Page Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 21. 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 Kwajalein Atoll Region > International Republic of the Marshall Islands Roi-Namur Island place Provider Place Names 83U2H4 Send2NCEI Submission Package ID accessLevel: Public otherRestrictions Cite as: Field, Don; Malhotra, Amit; Piniak, Greg (2022). NCCOS Mapping: Satellite derived bathymetry and benthic habitat mapping to support sea level rise models for the area surrounding Roi-Namur Island, Kwajalein Atoll, Republic of the Marshall Islands (NCEI Accession 0259452). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/89ns-h092. Accessed [date]. Distribution liability: NOAA and NCEI make no warranty, expressed or implied, regarding these data, nor does the fact of distribution constitute such a warranty. NOAA and NCEI cannot assume liability for any damages caused by any errors or omissions in these data. If appropriate, NCEI can only certify that the data it distributes are an authentic copy of the records that were accepted for inclusion in the NCEI archives. otherRestrictions Use liability: NOAA and NCEI cannot provide any warranty as to the accuracy, reliability, or completeness of furnished data. Users assume responsibility to determine the usability of these data. The user is responsible for the results of any application of this data for other than its intended purpose. Development of Satellite-derived Bathymetry and Benthic Habitat Maps to Support Sea Level Rise Studies in the South Pacific 2013 publication https://coastalscience.noaa.gov/project/bathymetry-benthic-habitat-maps-south-pacific/ HTTPS https://coastalscience.noaa.gov/project/bathymetry-benthic-habitat-maps-south-pacific/ National Centers for Coastal Ocean Science (NCCOS) project page information NOAA National Centers for Coastal Ocean Science (NCCOS) https://coastalscience.noaa.gov/ HTTPS NOAA National Centers for Coastal Ocean Science (NCCOS) website Institution web page information publisher documentDigital crossReference project Coastal and marine ecological classification standard 2012 publication https://www.fgdc.gov/standards/projects/cmecs-folder/CMECS_Version_06-2012_FINAL.pdf HTTPS https://www.fgdc.gov/standards/projects/cmecs-folder/CMECS_Version_06-2012_FINAL.pdf Cited Publication download Federal Geographic Data Committee author Federal Geographic Data Committee FGDC–STD–018–2012 publisher crossReference sciencePaper WorldView-2 and WorldView-3 satellite imagery (2m spatial resolution, 8 spectral bands) 2022 publication https://www.digitalglobe.com/company/about-us/ HTTPS https://www.digitalglobe.com/company/about-us/ Digital Globe Webpage information MAXAR Digital Globe author MAXAR Digital Globe publisher crossReference collection Development of Satellite-derived Bathymetry and Benthic Habitat Maps to Support Sea Level Rise Studies in the South Pacific 2013 publication https://coastalscience.noaa.gov/project/bathymetry-benthic-habitat-maps-south-pacific/ HTTPS https://coastalscience.noaa.gov/project/bathymetry-benthic-habitat-maps-south-pacific/ National Centers for Coastal Ocean Science (NCCOS) project page information NOAA National Centers for Coastal Ocean Science (NCCOS) https://coastalscience.noaa.gov/ HTTPS NOAA National Centers for Coastal Ocean Science (NCCOS) website Institution web page information publisher documentDigital crossReference project USGS Project, Coral Reef Project: Kwajalein Island 2022 publication https://www.usgs.gov/centers/pcmsc/science/coral-reef-project-kwajalein-island HTTPS https://www.usgs.gov/centers/pcmsc/science/coral-reef-project-kwajalein-island USGS Project Webpage information USGS author USGS publisher crossReference project SERDP Project, Impacts of Changing Climate on Pacific Island-Based Defense Installations 2020 publication https://serdp-estcp.org/projects/details/cd10d298-3cde-4713-bc67-db9fed89be8b/rc-2336-project-overview HTTPS https://serdp-estcp.org/projects/details/cd10d298-3cde-4713-bc67-db9fed89be8b/rc-2336-project-overview SERDP Project Webpage information SERDP-ESTCP author SERDP-ESTCP publisher crossReference project eng; USA utf8 environment oceans biota 167.4436 167.5021 9.36092 9.40841 2009-12-09 2015-01-23 Methods: The satellite imagery that was the basis of this effort was from the WorldView-2 and -3 commercial satellites (2m pixel size, 8 spectral bands). Due to issues with tides and cloud cover, 4 satellite images were needed for complete coverage of the study area (12/09/2009, 09/24/2014, 12/29/2014 and 1/23/2015). Non-linear band ratio models were utilized with depth data collected in the field during an April 2014 mission to Kwajalein Atoll to create the SDB. Random points, not used in the SDB models, were selected from the field depth data to provide an estimate of the accuracy of the final product. The benthic habitat maps were generated with the same satellite imagery using a combination of automated image processing techniques and on-screen, heads up digitizing. Underwater video collected during the April 2014 field mission was used as training data for creating the maps, but is not included in this dataset. The resulting benthic habitat map was converted to a spatially varying friction coefficient map, using friction values for coral reef habitats from the literature. File Information: Total File Size: 128 MB total, 17 files in 1 folder (unzipped), 5.13 MB (zipped) Data File Format(s): GeoTiff .TIF (and ancillary files .TFW, .AUX, .OVR, .XML) Data File Resolution: 2m X 2m resolution; 3193 cols X 2605 rows GIS Projection: Projected Coordinate System: UTM Zone 58N (WKID 32658), Geographic Coordinate System: WGS 84 (WKID 4326) Data Files: •Satellite_Derived_Bathymetry_Roi-Namur.tif •Benthic_habitats_Roi-Namur.tif •Hydrodynamic_Friction_Roi-Namur.tif Documentation Files: •BrowseGraphic.JPG •DataDocumentation.PDF NOAA National Centers for Environmental Information +1-301-713-3277 ncei.info@noaa.gov pointOfContact In most cases, electronic downloads of the data are free. However, fees may apply for custom orders, data certifications, copies of analog materials, and data distribution on physical media. Contact NCEI for other distribution options and instructions. GeoTIFF Shapefile 137.852 https://doi.org/10.25921/89ns-h092 HTTPS Web browser NCEI Dataset Landing Page Navigate directly to the URL for a descriptive web page with download links. information https://www.ncei.noaa.gov/archive/accession/oas/259452 HTTPS Web browser Descriptive Information Navigate directly to the URL for a descriptive web page with download links. information https://www.ncei.noaa.gov/archive/accession/download/259452 HTTPS Web browser HTTPS Navigate directly to the URL for data access and direct download. download ftp://ftp-oceans.ncei.noaa.gov/nodc/archive/arc0207/0259452/ FTP Any FTP client FTP These data are available through the File Transfer Protocol (FTP). FTP is no longer supported by most internet browsers. You may copy and paste the FTP link to the data into an FTP client (e.g., FileZilla or WinSCP). download dataset NCEI Accession 0259452 v1.1 was published. 2022-09-14T20:09:32Z NCEI Accession 0259452 v1.1 publication https://www.ncei.noaa.gov/archive/accession/0259452/1.1 HTTPS NCEI Accession 0259452 v1.1 published 2022-09-14T20:09:32Z download model Parameter or Variable: Depth (calculated); Units: meters; Observation Category: model output; Sampling Instrument: Fathometer; Sampling and Analyzing Method: Depth measured from Ellipsoid WGS 84 Datum by fathometer in the field for calibrating the depth model and assessing accuracy. The dataset is an estimate of bathymetry from commercial satellite imagery. The bathymetry model is based on satellite band ratios scaled to depth using actual depth data collected in the field during an April 2014 field mission to the study site. WorldView-2 and WorldView-3 satellite imagery (2m spatial resolution, 8 spectral bands) purchased from DigitalGlobe (https://www.digitalglobe.com/); Data Quality Method: The accuracy of the final bathymetry layer was estimated via a random sample of field points collected during the April 2014 field mission that were not used in the bathymetry model; fathometer was used to measure depths in the field for calibrating the depth model and assessing accuracy. Parameter or Variable: Benthic Habitat Type (calculated); Units: square meters; Observation Category: model output; Sampling Instrument: Models/Analyses > Data Analysis > Environmental Modeling; Sampling and Analyzing Method: This data set is a thematic map, a benthic habitat classification of 18 benthic habitat classes. WorldView satellite imagery was classified into 18 different benthic habitat types. WorldView-2 and WorldView-3 satellite imagery (2m spatial resolution, 8 spectral bands) purchased from DigitalGlobe (https://www.digitalglobe.com/); Data Quality Method: The benthic habitat maps were generated using a combination of automated image-processing techniques and on-screen, heads up digitizing. Underwater video collected during the April 2014 field mission was used as training data for creating the maps. Parameter or Variable: Hydrodynamic Friction (calculated); Units: N/A; Observation Category: other; Sampling Instrument: Models/Analyses > Data Analysis > Environmental Modeling; Sampling and Analyzing Method: Assigned Hydrodynamic Friction values from the literature to the classes in the Benthic Habitat Classification. A measure of the relative ability of a habitat to reduce wave energy. It can be measured in the field or in a lab setting. No measurements were made for this study – all values were derived from the literature. Complete list of the reported parameter, value, and citation in Field et al. (2022).; Data Quality Method: No data were processed or analyzed for this study. Values were derived from the literature and applied to the habitats in the benthic habitat map. asNeeded Metadata are developed, maintained and distributed by NCEI. Updates are performed as needed to maintain currentness. NOAA National Centers for Environmental Information custodian echo sounder echo sounder instrument used to determine water depth or bathymetry also known as an echosounder