T/CHIDA 01-2022 Active Group standards

T/CHIDA 01-2022 Ecological Health Evaluation Techniques for Urban River Basin Manual

Publish Date: 2022-11-07 Implement Date: 2022-12-07 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CHIDA 01-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Environmental protection

ICS Name: Integrated Environment and Environmental Protection

Publish Date: 2022-11-07

Implement Date: 2022-12-07

Scope

Scope: This document specifies the workflow, indicators and their scoring methods, indicator weights and their calculation methods, evaluation result calculation and representation, and urban river ecological environmental quality monitoring for urban river ecological health assessment. This document is applicable to the assessment of the health status of urban rivers; Main technical contents: Collect and analyze data such as the water ecological environment of urban rivers, hydrological monitoring, riverbed physical, chemical, and biological information, urban wastewater discharge data, water quality data, and engineering technical documents, and conduct on-site surveys. Based on the basic characteristics and individual characteristics of urban rivers, screen evaluation indicators and formulate investigation and monitoring plans for each indicator of the element layer. On the basis of sufficient data collection and status investigation, carry out investigation and monitoring of various project indicators. Based on expert consultation, use the analytic hierarchy process to determine the indicator weights of each layer; systematically organize the investigation and monitoring data of various layers of indicators, and calculate the scoring values of each indicator according to the determined calculation methods; then calculate the scores of each indicator of the element layer and the total score of the target layer layer by layer, and draw conclusions on the ecological health assessment of urban river water bodies. Prepare an urban river ecological health assessment report.