HY/T 483-2025 Active

HY/T 483-2025 Guidelines for Evaluation of Performance of Marine Energy Generation Devices

This document provides the content and calculation of the performance indicators of marine energy power generation devices, evaluation methods, and the principles of performance evaluation of marine energy power generation devices. This document is applicable to the performance evaluation of wave energy and tidal current power generation devices operating on-grid or off-grid. The performance evaluation of temperature difference energy and salt difference energy power generation devices can be implemented with reference. It is not applicable to tidal energy power generation devices.

Publish Date: 2025-02-06

HY/T 0491-2025 Active

HY/T 0491-2025 Specification for polar glacier observation

This document describes the observation methods for polar glaciers, and specifies the observation content, technical indicators, and requirements for data recording and organization.
This document is applicable to the observation work of polar glaciers.

Publish Date: 2025-02-06

HY/T 0499-2025 Active

HY/T 0499-2025 Technical requirements for interfacing device of outboard equipment on oceanographic research ship

This document specifies the requirements for the classification and coding structure, design, manufacture and installation, inspection and testing, packaging and transportation of docking devices for off-board operation equipment of marine survey ships in China.
This document is applicable to the design, manufacture and installation of docking devices for off-board operation equipment of marine survey ships in China.

Publish Date: 2025-02-06

HY/T 0486-2025 Active

HY/T 0486-2025 Code of practice for sea area use statistics

This document establishes the principles of marine area usage statistics, and stipulates the requirements for statistical workflow, statistical survey content, statistical analysis, and statistical products.
This document is applicable to marine area usage statistical surveys and analytical research, among other tasks.

Publish Date: 2025-02-06

HY/T 0500-2025 Active

HY/T 0500-2025 Specification for shore-based S band wave radar in situ evaluation

This document stipulates the general provisions for on-site comparison tests of shore-based S-band wave radar, preparations before the comparison test, comparison methods, and report preparation.
This document is applicable to on-site comparison tests of shore-based S-band wave radar.

Publish Date: 2025-02-06

HY/T 0501-2025 Active

HY/T 0501-2025 Test methods for measurement of electrical properties of shore-based S band wave radar

This document specifies the testing requirements, testing items, and report preparation for the main electrical performance of shore-based S-band wave-measuring radars, and describes the testing methods.
This document is applicable to the testing of the main electrical performance of shore-based S-band wave-measuring radars.

Publish Date: 2025-02-06

HY/T 0477-2025 Active

HY/T 0477-2025 The specifications for polar all-sky aurora observations

This document specifies the general requirements, observation steps, data collection and processing for conducting full-view aurora observations at China's polar research stations.
This document is applicable to full-view aurora observations conducted at China's polar research stations located at geographical latitudes of 60° and above.

Publish Date: 2025-02-06

HY/T 0494-2025 Active

HY/T 0494-2025 Specification for data comparison of ocean data buoy

This document specifies the general requirements for the comparison of marine data buoys, the requirements for comparison data, data preprocessing, the evaluation method of comparison results, the preparation of comparison reports, and other content, and describes the data processing methods.
This document is applicable to the evaluation of the working conditions of marine data buoys under actual sea conditions and the validity of the observation data.

Publish Date: 2025-02-06

HY/T 0496-2025 Active

HY/T 0496-2025 Comparison method of X band radar wave measuring system

This document presents the principle of the comparison test for X-band wave radar systems (hereinafter referred to as "comparison test system"), and stipulates the requirements, comparison test conditions, comparison test items, comparison test methods, data calculation, result determination, and other aspects.
This document is applicable to the comparison test of effective wave height and effective wave period of X-band wave radar systems installed on China's coastal areas, islands, and fixed platforms.

Publish Date: 2025-02-06

HY/T 0502-2025 Active

HY/T 0502-2025 Marine γ radioactivity in-situ monitoring sensor

This document specifies the equipment composition, technical requirements, marking, packaging, transportation, storage, and other aspects of the rapid in-situ measurement sensors for seawater gamma radioactivity based on the principle of scintillator luminescence. It also describes the inspection methods and establishes the inspection rules.
This document is applicable to the design, production, and inspection of rapid in-situ measurement sensors for seawater gamma radioactivity.

Publish Date: 2025-02-06

HY/T 0493-2025 Active

HY/T 0493-2025 In-site comparison method for wind and wave elements of large marine data buoy

This document defines the terminology for on-site comparison tests of wind and wave elements on large-scale marine data buoys, establishes the target principles, and stipulates the technical requirements, implementation of comparison tests, data processing and judgment, and aspects such as comparison test reports.
This document is applicable to on-site comparison tests of average wind speed and average wind direction, effective wave height, and effective wave period on large-scale marine data buoys. On-site comparison tests of wind and waves between other marine data observation platforms can be carried out with reference to this document.

Publish Date: 2025-02-06

HY/T 0471-2025 Active

HY/T 0471-2025 General technical requirements for autonomous underwater glider

This document specifies the classification, technical requirements, marking, packaging, transportation, and storage of underwater gliders, describes the inspection methods, and establishes the inspection rules.
This document is applicable to the design, production, and inspection of underwater gliders.

Publish Date: 2025-02-06