Standards

HY/T 0441-2024 Active

HY/T 0441-2024 Ocean economic survey—Specification for ocean engineering survey

This document stipulates the requirements for the scope, objects, investigation content, workflow, quality control, and data archiving of marine engineering surveys.
This document is applicable to marine engineering surveys conducted by survey agencies at all levels in national and coastal regions during marine economic surveys.

Publish Date: 2024-09-13

HY/T 0442-2024 Active

HY/T 0442-2024 Technical requirements of thematic maps for undersea feature name

This document stipulates the general requirements for the naming and mapping of undersea geographical names, including data collection and analysis, mapping processes and methods, and requirements for checking and organizing the results.
This document is applicable to the mapping of undersea geographical name naming proposals submitted for external review.

Publish Date: 2024-09-13

HY/T 0445-2024 Active

HY/T 0445-2024 Technical requirements for shipborne aerosol lidar

This document specifies the general requirements for shipborne aerosol lasers, the technical requirements for the emission system, the technical requirements for the reception system, the reliability and maintainability requirements, the data file requirements, the data storage requirements, the marking requirements, the housing requirements, and the working environment requirements.
This document is applicable to shipborne aerosol lasers used for atmospheric aerosol observation in marine environments, as well as to shipborne aerosol lasers used for atmospheric aerosol observation in onshore environments.

Publish Date: 2024-09-13

HY/T 0446-2024 Active

HY/T 0446-2024 Determination of shear strength of saturated marine soft clay—Miniature shear vane apparatus method

This document specifies the requirements for instruments and components of the miniature plate shear apparatus used to determine the undrained shear strength of saturated soft clays, describes the method of instrument calibration, and stipulates the requirements for test procedures, calculation of shear strength, and recording, calculation, and organization of test data.
This document is applicable to the determination of the undrained shear strength and sensitivity of marine intact or remoulded saturated soft clays in laboratory or field conditions. The determination of the undrained shear strength and sensitivity of other saturated soft clays can be carried out in accordance with this document.

Publish Date: 2024-09-13

HY/T 0452-2024 Active

HY/T 0452-2024 Technical requirements for terrain and geomorphology survey of island coastal zone based on UAV

This document stipulates the general requirements, survey design, survey implementation, data processing and quality of results, report and result preparation, data inspection and acceptance, and archiving of survey data and results for conducting topographic and geomorphological surveys of islands and coastal zones using drones.
This document is applicable to drone-based topographic and geomorphological surveys of islands and coastal zones.

Publish Date: 2024-09-13

HY/T 0461-2024 Active

HY/T 0461-2024 Technical directives for the assessment of hazard mitigation functions of coastal ecosystem—Sandy coast

This document stipulates the general requirements, data collection, on-site investigation, and evaluation of the marine disaster mitigation function of sandy coasts.
This document is applicable to the evaluation of the marine disaster mitigation function of sandy coasts in response to marine dynamic disasters.

Publish Date: 2024-09-13

HY/T 0464-2024 Active

HY/T 0464-2024 Marine ecological classification

This document stipulates the requirements for marine ecological classification frameworks, marine ecological classification units, and marine ecological classification applications, etc.
This document is applicable to natural resource management and scientific research work such as marine ecological early warning monitoring, ecological zoning, and ecological protection and restoration in China.

Publish Date: 2024-09-13

HY/T 0460.11-2024 Active

HY/T 0460.11-2024 Technical directives for investigation and assessment of coastal ecosystem status—Part 11:Muddy coast

This document sets forth the general requirements for the investigation and assessment of the current status of clay coast ecosystems in coastal zones, including the investigation content and ecological status assessment, and describes the corresponding investigation methods.
This document is applicable to the investigation and assessment of the current status of clay coast ecosystems in coastal zones.

Publish Date: 2024-09-01

HY/T 0460.1-2024 Active

HY/T 0460.1-2024 Technical directives for investigation and assessment of coastal ecosystem status—Part 1:General

This document establishes the basic principles for the investigation and assessment of the current state of coastal ecosystems, and stipulates the requirements for corresponding work procedures, work content, work results, data archiving, and quality control.
This document is applicable to the investigation and assessment of the current state of coastal ecosystems.

Publish Date: 2024-09-01

HY/T 0460.5-2024 Active

HY/T 0460.5-2024 Technical directives for investigation and assessment of coastal ecosystem stasus—Part 5:Coral reefs

This document stipulates the general requirements for the investigation and assessment of the current status of coral reef ecosystems in coastal zones, the content of the investigation, and the requirements for assessing their ecological conditions, and describes the corresponding investigation methods.
This document is applicable to the investigation and assessment of the current status of coral reef ecosystems in coastal zones.

Publish Date: 2024-09-01

HY/T 0460.7-2024 Active

HY/T 0460.7-2024 Technical directives for investigation and assessment of coastal ecosystem status—Part 7:Oyster reef

This document sets out the general requirements for the investigation and assessment of the current status of oyster reef ecosystems in coastal zones, including the investigation content and ecological status assessment, and describes the corresponding investigation methods.
This document is applicable to the investigation and assessment of the current status of oyster reef ecosystems in coastal zones.

Publish Date: 2024-09-01

HY/T 0460.3-2024 Active

HY/T 0460.3-2024 Technical directives for investigation and assessment of coastal ecosystem status—Part 3:Mangroves

This document sets out the general requirements for the investigation and assessment of mangrove ecosystems in coastal ecosystems, including the investigation content and ecological status assessment, and describes the corresponding investigation methods.
This document is applicable to the investigation and assessment of the current status of mangrove ecosystems in coastal ecosystems.

Publish Date: 2024-09-01