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Open research questions in Urban Stormwater Management Solutions

100 unresolved questions extracted from the limitations and future-work sections of 558 Urban Stormwater Management Solutions papers in our library. Each links back to the study that raised it.

What the literature leaves open

  • Further research is needed to investigate the impact of BGI on urban ecosystems - Research should focus on developing effective strategies for integrating BGI into spatial planning frameworks

    Integrating Blue–Green Infrastructure into Urban Spatial Planning: Comparative Insights from Ljubljana, Kraków, and Chinese Cities · 2026 · DOI

  • The challenge of managing stormwater in rapidly urbanizing contexts. The need to balance ecological design principles with operational performance and governance frameworks. The difficulty of implementing innovative design and robust policy in sponge city development.

    LANDSCAPE URBANISM SUPPORTS SPONGE CITY DEVELOPMENT IN THE HANGZHOU ASIAN GAMES VILLAGE · 2026 · DOI

  • The need for a comprehensive conceptual model that integrates ecological design principles, operational performance, and governance frameworks. The lack of understanding of the mediating role of stormwater management efficiency. The limited knowledge of the moderating effect of government policy support.

    LANDSCAPE URBANISM SUPPORTS SPONGE CITY DEVELOPMENT IN THE HANGZHOU ASIAN GAMES VILLAGE · 2026 · DOI

  • The study identifies a gap in the understanding of rainwater harvesting and storage reliability at a university campus. It highlights the importance of considering variations in precipitation, air temperature, and evapotranspiration in RWH systems.

    Long-Term Assessment of Rainwater Harvesting and Storage Reliability at a Mediterranean University Campus · 2026 · DOI

  • Assessing economic feasibility, - Evaluating event-based operation, - Investigating water quality

    Long-Term Assessment of Rainwater Harvesting and Storage Reliability at a Mediterranean University Campus · 2026 · DOI

  • So, protecting remaining wetlands alone is insufficient without managing the land use around them properly.

    The effectiveness of wetlands in reducing urban heat during the pre-monsoon season in Bangladesh: a case study of Sharoboriya wetland in Dhaka city · 2026 · DOI

  • To address gaps in understanding community adaptation, we employed a multi-faceted approach comprising meta-analysis, water testing, surveys, focus group discussions (FGDs) and key informant interviews (KIIs) to: ( i ) examine rainwater harvesting trends, ( ii ) assess stored rainwater quality, and ( iii ) investigate community practices, perceptions, and health outcomes in coastal Bangladesh.

    Salinity challenges and community adaptation: insights from coastal Bangladesh · 2026 · DOI

  • The occurrence and transport dynamics of 6PPD-quinone ( N -(1,3-dimethylbutyl)- N ′-phenyl- p -phenylenediamine-quinone; 6PPDQ) and other PPD-derived contaminants ( N, N ′-substituted p -phenylenediamines; PPDs) remain poorly characterized in receiving waters.

    Temporal Dynamics of PPD-Class Antioxidants and Transformation Products in a Small Roadway-Runoff-Impacted Watershed · 2025 · DOI

  • However, research on the development of unconfined compressive strength (UCS) prediction models for pervious concrete materials that incorporate compaction energy parameters remains unexplored.

    A Prediction Model for the Unconfined Compressive Strength of Pervious Concrete Based on Mix Design and Compaction Energy Variables Using the Response Surface Methodology · 2024 · DOI

  • Existing studies rely on detailed hydrodynamic simulators, which are less suitable for system-level analysis and control-oriented modeling. A control-oriented modeling framework is needed for urban drainage systems.

    Control-Oriented System Identification of Urban Drainage Dynamics for Flood Mitigation · 2026 · DOI

  • The lack of effective flow discharge measurement methods in urbanized watersheds. The need for technical evidence to guide the transition from gray to green infrastructure.

    Hydrological Monitoring and Urban Resilience: Assessment of the Flow of Ribeirão Morangueiro in Maringá, Brazil · 2026 · DOI

  • Overestimation of runoff from the first rainfall event following an extended drought due to simplification. Limited data availability for systematic sensitivity analysis or uncertainty quantification. Difficulty in conducting precise hydrological simulations of specific engineering processes.

    Assessment of Rainwater Utilization Potential of Sponge Facilities in the Dong–Kang–Ejin Urban Agglomeration · 2026 · DOI

  • Conducting precise hydrological simulations of specific engineering processes. Carrying out systematic sensitivity analysis or uncertainty quantification. Considering the influence of antecedent soil moisture conditions on runoff generation.

    Assessment of Rainwater Utilization Potential of Sponge Facilities in the Dong–Kang–Ejin Urban Agglomeration · 2026 · DOI

  • The study only considers a 42-year pluviograph record. The study does not account for potential future changes in rainfall intensity distributions. The study only considers a limited number of sub-catchments.

    Urban Road Drainage Failure Analysis and Rehabilitation Planning in Juba City, South Sudan: Integrating Hydrological Modelling, Failure Mode Diagnostics, and Cost-Benefit Optimisation · 2026 · DOI

  • Further study is needed to investigate the impact of climate change on urban flooding in Juba City. The development of more advanced hydrological models and failure mode diagnostics techniques is needed. The application of the study's methodology to other cities in sub-Saharan Africa is recommended.

    Urban Road Drainage Failure Analysis and Rehabilitation Planning in Juba City, South Sudan: Integrating Hydrological Modelling, Failure Mode Diagnostics, and Cost-Benefit Optimisation · 2026 · DOI

  • Low compressive strength of porous concrete. Limited workability of porous concrete. The need to balance structural strength and water infiltration efficiency.

    Analysis of the Effect of Silica Fume as an Additive on the Workability and Compressive Strength of Porous Concrete · 2026 · DOI

  • The limitations of pervious concrete, including relatively low compressive strength and limited workability. The need to improve the performance of pervious concrete for applications that require adequate mechanical performance.

    Analysis of the Effect of Silica Fume as an Additive on the Workability and Compressive Strength of Porous Concrete · 2026 · DOI

  • Further study on the effects of wastewater control and stormwater management on water quality, - Investigation of targeted remediation strategies for hotspot areas, - Continued monitoring of water quality parameters to assess the effectiveness of management efforts

    Water Quality Monitoring and Spatiotemporal Mapping of Water Quality in the Mae Kha Canal, Chiang Mai, Thailand · 2026 · DOI

  • Prior to this study, water quality monitoring in the Mae Kha Canal had not been incorporated into a routine monthly monitoring program. There is a need for strengthened wastewater control, stormwater management, and targeted remediation guided by hotspot-based monitoring.

    Water Quality Monitoring and Spatiotemporal Mapping of Water Quality in the Mae Kha Canal, Chiang Mai, Thailand · 2026 · DOI

  • There is a lack of studies on the impact of green infrastructure on urban flood mitigation. There is a need for a comprehensive analysis of the spatial efficiency of different green infrastructure types.

    The potential of green infrastructure in urban pluvial flood mitigation – a scenario-based modelling study in Berlin · 2026 · DOI

  • The application of the methodology to other cities and contexts. The development of more complex models to capture the intricacies of real drainage networks.

    Análisis de la influencia de los SUDS en el funcionamiento hidráulico de la red de drenaje: determinación de un ratio óptimo de instalación en cuencas urbanas · 2026 · DOI

  • The lack of studies on the hydraulic implications of SUDS on drainage networks. The need for a methodology to determine an optimal SUDS occupation ratio for urban catchments.

    Análisis de la influencia de los SUDS en el funcionamiento hidráulico de la red de drenaje: determinación de un ratio óptimo de instalación en cuencas urbanas · 2026 · DOI

  • Competing land-use demands in densely populated cities. The need for collaboration across different disciplinary fields. The importance of embedding BGI within spatial planning frameworks to secure space and ensure regulatory alignment.

    Integrating Blue–Green Infrastructure into Urban Spatial Planning: Comparative Insights from Ljubljana, Kraków, and Chinese Cities · 2026 · DOI

  • The study faces challenges in terms of data availability and quality, particularly for the Doñana marshland in Spain. The study faces challenges in terms of model complexity and simplicity, particularly in capturing the complexities of wetland systems. The study faces challenges in terms of integrating environmental needs into water resources planning and management.

    A simplified model to investigate the hydrological regimes of temporary wetlands: the case study of Doñana marshland (Spain) · 2026 · DOI

  • The study uses a simplified model that may not capture all the complexities of the wetland system. The study is based on historical time series data, which may not be representative of future conditions. The study focuses on a single case study, the Doñana marshland in Spain.

    A simplified model to investigate the hydrological regimes of temporary wetlands: the case study of Doñana marshland (Spain) · 2026 · DOI

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100 open questions have been extracted from the limitations and future-work passages of 558 Urban Stormwater Management Solutions papers in our library. Each one below links back to the study that raised it, so you can read the original claim in context.

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