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Updated: Jul 3, 2026
12:44
Watershed Planning within a Quantitative Scenario Analysis Framework
Published on: July 24, 2016
[Risk assessment and safety evaluation using system normative indexes integration method for non-point source
Jian-Chang Liu1, Yan Yan, Feng Liu
1State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China. amoytiger@163.com
Huan Jing Ke Xue= Huanjing Kexue
|July 25, 2008
Summary
Non-point source pollution in the Lugu Lake Watershed poses a high risk to surface water. A new integrated evaluation method effectively assesses system risks and trends, aiding decision-makers.
Area of Science:
- Environmental Science
- Water Resource Management
- Risk Assessment
Context:
- Non-point source pollution control requires accurate risk trend information.
- Existing evaluation methods struggle with probability values exceeding one and system structure integration.
- Watershed-scale risk assessment is crucial for effective environmental management.
Purpose:
- To develop a novel system normative indexes integration evaluation method for assessing system risk trends.
- To establish a new valuation method based on the relationship between normalization values and system factors.
- To apply this method for assessing non-point source pollution risk to surface water in the Lugu Lake Watershed.
Summary:
- A new method integrating system normative indexes was developed to evaluate system risk trends, addressing limitations of existing approaches.
- The method establishes a relationship between normalization values and system factors, enabling robust risk assessment.
- Application in the Lugu Lake Watershed revealed a high level of non-point source pollution risk to surface water.
Impact:
- The developed method is a universal tool for evaluating system quality and trends, demonstrating strong comparative capabilities.
- It provides an effective and integrated assessment framework for complex environmental systems.
- Findings highlight the high risk of non-point source pollution in the Lugu Lake Watershed, informing targeted mitigation strategies.
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