Request Bathymetric Data

Ancillary Data

Bathymetric Data: may include, but are not limited to, sound speed files (svp, xbt, ctd), tide files, navigation/altitude files, and other support files.

Product Data: may include, but are not limited to, images, grids or mosaics (NetCDF, xyz, sd, asc), and survey track lines.

Raw Data: Version 1 sonar data files contain data as collected (raw). Versions 2 and greater contain data processed and/or edited by the provider.

Originator Metadata: may include, but are not limited to, submitter provided XML files, documents containing collection information or processing steps, and file level metadata.

NGDC ISO Metadata

Data Types for Multibeam Bathymetric Surveys: Icon Legend

Data Types for NOS Hydrographic Surveys: Icon Legend