Standards

HY/T 0460.2-2024 Active

HY/T 0460.2-2024 Technical directives for investigation and assessment of coastal ecosystem status—Part 2:Remote sensing identification and results verification

This document specifies the methods, processes, requirements, and content for remote sensing identification, status verification, and result compilation and submission of coastal zone ecosystems.
This document is applicable to remote sensing identification and status verification of coastal zone ecosystems.

Publish Date: 2024-09-13

HY/T 0460.4-2024 Active

HY/T 0460.4-2024 Technical directives for investigation and assessment of coastal ecosystem status—Part 4:Salt marshes

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

Publish Date: 2024-09-13

HY/T 0460.8-2024 Active

HY/T 0460.8-2024 Technical directives for investigation and assessment of coastal ecosystem stasus—Part 8:Sandy coast

This document sets out the general requirements for the investigation and assessment of the current status of sandy coast ecosystems in coastal zones, the content of the investigation, and the evaluation of ecological conditions, 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: 2024-09-13

HY/T 0465-2024 Active

HY/T 0465-2024 Technical guidelines of underground pipe network for mangrove restoration and utilization

This document provides guidance on the site selection, survey, design, construction, mangrove restoration, operation and management, monitoring and evaluation of the buried pipe network system for mangrove restoration and utilization.
This document is applicable to the engineering construction and operation and management of the buried pipe network system for mangrove restoration and rational utilization.

Publish Date: 2024-09-13

HY/T 0457-2024 Active

HY/T 0457-2024 Technical code of practice for investigation and assessment of carbon stock in the blue carbon ecosystems—Seagrass bed

This document specifies the preparation of a survey plan for carbon storage in seagrass beds, the investigation of organic carbon content, the survey of seagrass bed area, and the assessment of carbon storage, as well as related indicators and methods.
This document is applicable to the survey and assessment of carbon storage in seagrass beds.

Publish Date: 2024-09-13

HY/T 0435-2024 Active

HY/T 0435-2024 Technical code of practice for investigation and assessment of marine biological resources carbon pool-Bivalve(suspended culture)

This document stipulates the requirements for the investigation, measurement, and evaluation of the carbon sink contribution of marine raft-based shellfish farming, as well as quality control.
This document is applicable to the investigation and evaluation of the carbon sink contribution of marine raft-based shellfish farming within the maritime areas under China's jurisdiction.

Publish Date: 2024-09-13

HY/T 0437-2024 Active

HY/T 0437-2024 Technical specification for estimation and monitoring of marine resources biological increasing carbon sink—Macroalgae(suspended culture)

This document specifies the requirements for carbon sink enhancement measures, baselines, and carbon measurement methods using large-scale algae raft cultivation, as well as implementation measures and monitoring.
This document is applicable to the measurement and monitoring of carbon sink enhancement through large-scale algae raft cultivation in China's coastal areas.

Publish Date: 2024-09-13

HY/T 0439-2024 Active

HY/T 0439-2024 Code of practice for investigation of microbial carbon sequestration—Marine bacteria

This document specifies the elements, methods, and approaches for investigating the contribution of marine bacterial biomass to carbon sequestration, as well as the measurement and calculation methods for the survey elements, experimental quality control, and technical requirements for data submission.
This document is applicable to investigations of the contribution of bacterial biomass to carbon sequestration in seawater.

Publish Date: 2024-09-13

HY/T 0462-2024 Active

HY/T 0462-2024 Technical directives for the assessment of marine hazard mitigation functions of coastal ecosystems—Coral reefs

This document stipulates the general requirements, data collection, on-site investigation, and evaluation methods for assessing the marine disaster mitigation function of coral reefs.
This document is applicable to the evaluation of coral reefs' ability to attenuate wave height in response to marine dynamic disasters.

Publish Date: 2024-09-13

HY/T 0436-2024 Active

HY/T 0436-2024 Technical code of practice for investigation and assessment of marine biological resources carbon pool—Macroalgae(suspended culture)

This document specifies the requirements for the investigation and measurement of carbon storage in biomass carbon pools, sediment organic carbon pools, and inert dissolved organic carbon pools, as well as the methods for evaluating the carbon pool contribution and quality control during the investigation and assessment of the carbon pool contribution of large-scale algae raft farming.
This document is applicable to the investigation and assessment of the carbon pool contribution of large-scale algae raft farming in China's coastal areas.

Publish Date: 2024-09-13

HY/T 0427-2024 Active

HY/T 0427-2024 Disc tubular reverse osmosis membrane module

本文件给出了碟管式反渗透膜组件（以下简称“膜组件”）的分类与型号信息，规定了技术要求、标志、包装、运输和贮存等，描述了相应的试验方法，确立了检验规则。
本文件适用于碟管式反渗透膜组件的设计、制造与检验，其他碟管式膜组件的设计、制造与检验参照使用。

Publish Date: 2024-09-13

HY/T 0451-2024 Active

HY/T 0451-2024 Technical requirements for online operation and maintenance of ocean shore(island)-based automatic water quality monitoring system

本文件规定了海洋岸(岛)基水质自动监测站在线运行维护管理基本要求、检查维护、质量保证与质量控制及运行维护记录等内容。
本文件适用于海洋岸(岛)基水质自动监测站在线运行维护管理工作。

Publish Date: 2024-09-13