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A comparative analysis of methods and tools for low impact development (LID) site selection
Khansa Gulshad1, Michał Szydłowski1, Andaleeb Yaseen2
1Gdańsk University of Technology, Faculty of Civil and Environmental Engineering, Poland.
Journal of Environmental Management
|February 10, 2024
Summary
Selecting sites for Low Impact Development (LID) is crucial for managing stormwater. This review compares LID site selection methods, highlighting data limitations and proposing future research directions for better stormwater control.
Area of Science:
- Environmental Engineering
- Urban Planning
- Water Resource Management
Background:
- Effective site selection is critical for Low Impact Development (LID) practices to manage stormwater runoff, volume, flow rate, and infiltration.
- Various methods and tools exist for LID site selection, each with distinct advantages and limitations.
Purpose of the Study:
- To conduct a comprehensive review and comparative analysis of existing LID site selection methods.
- To identify limitations in current methods and propose strategies for future research and development.
Main Methods:
- Review and detailed discussion of three primary methods: index-based, GIS-based multi-criteria decision analysis (MCDA), and multi-criteria models/tools.
- Comparative analysis of these methods based on ten criteria including data properties, scale, user-friendliness, and validation.
Main Results:
- Identified limitations across methods include inadequate data availability/quality, lack of comprehensive evaluation criteria, and insufficient spatial explicitness.
- Each method presents unique challenges affecting its practical application in LID site selection.
Conclusions:
- Future research should focus on enhancing spatial clarity, broadening assessment criteria, and improving data quality through standardization.
- Integrating field visits, remote sensing, big data, and developing accessible web-based tools are key strategies for advancing LID site selection.
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