GB 12340-1990
Replaced
GB/T 42640-2023
Active
National standards
GB/T 42640-2023 Specification for underwater topographic survey by multibeam echosounding system
GB/T 42640-2023 Specification for underwater topographic survey by multibeam echosounding system
Basic Information
Standard Code:
GB/T 42640-2023
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Geodetic and oceanographic mapping
ICS Name:
Astronomy, geodesy, and geography
Publish Date:
2023-05-23
Implement Date:
2023-12-01
Pages:
28 pages
Scope
This document specifies the general principles for underwater topography measurement with multi-beam bathymetric systems, system configuration and installation and calibration, measurement requirements, data processing, and data verification and submission requirements.
This document is applicable to underwater topography measurement with shipborne multi-beam bathymetric systems, and can also be used as a reference for multi-beam measurement on other observation platforms.
Development Information
Referenced Standards
Related Standards
GB 12341-1990
Replaced
GB 12341-1990 1:25000, 1:50000 and 1:100000 topographic maps—Specifications for aerophotogrammetric field work
GB/T 13605-1992
Abolished
GB/T 13605-1992 Coordinatograph
GB/T 13977-1992
Replaced
GB/T 13977-1992 Specifications for aerophotogrammetric field work 1:5000, 1:10000 topographic maps
GB/T 13989-1992
Replaced
GB/T 13989-1992 Subdivision and numbering for the national primary scale topographic maps
GB/T 13990-1992
Replaced