HIFLD OPEN Bathymetric Contours

Principal Investigator(s):  View help for Principal Investigator(s) National Oceanic & Atmospheric Administration (NOAA)

Version:  View help for Version V1

Name File Type Size Last Modified
bathymetric-contours-geojson.geojson text/plain 42 bytes 11/29/2025 08:07:PM
bathymetric-contours-geojson.zip application/zip 90.5 MB 11/30/2025 06:37:PM
bathymetric-contours-geopackage.zip application/zip 63.2 MB 11/29/2025 08:07:PM
bathymetric-contours-shapefile.zip application/zip 62.8 MB 11/30/2025 06:36:PM
metadata.xml application/xml 7.5 KB 11/30/2025 06:34:PM

Project Citation: 

National Oceanic & Atmospheric Administration (NOAA). HIFLD OPEN Bathymetric Contours. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2025-11-30. https://doi.org/10.3886/E240797V1

Project Description

Project Title:  View help for Project Title HIFLD OPEN Bathymetric Contours
Summary:  View help for Summary These data show bathymetric contours (isobaths) that help characterize the general physiographic patterns of the seafloor. Contour intervals are every 10 m from zero to -100 m, every 25 m from -100 m to -500 m, and every 100 m from -500 m to full depth. The DEM utilized was the Global Multi-Resolution Topography Synthesis which is a multi-resolution gridded global Digital Elevation Model that includes cleaned processed ship-based multibeam sonar data at their full spatial resolution (approximately 100m in the deep sea)
Original Distribution URL:  View help for Original Distribution URL https://hifld-geoplatform.hub.arcgis.com/

Scope of Project

Subject Terms:  View help for Subject Terms HIFLD Open; GIS; Boundaries; Bathymetry; Disaster Planning
Geographic Coverage:  View help for Geographic Coverage United States
Collection Date(s):  View help for Collection Date(s) 8/5/2024 – 4/8/2025 (dataset creation )
Data Type(s):  View help for Data Type(s) geographic information system (GIS) data
Collection Notes:  View help for Collection Notes Archived from the HIFLD Open GIS data repository, which was deactivated on August 26, 2025.


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Published Versions

V1 [2025-11-30]

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DDI 2.5

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