Short answer
Incorporate permeable materials and green infrastructure into urban designs to manage stormwater more effectively and reduce the burden on traditional drainage systems.
- Field
- Resource Management
- Source
- Hydrological Sciences Journal (2015)
- Method
- Literature Review
- Evidence
- Strong effect
The proliferation of impervious surfaces in urban environments significantly alters natural hydrological processes, leading to increased surface runoff and challenges in water management. This resource management research insight is drawn from a 2015 study published in Hydrological Sciences Journal. Using Literature review, researchers explored how this design variable affects real-world outcomes. The key design takeaway: Incorporate permeable materials and green infrastructure into urban designs to manage stormwater more effectively and reduce the burden on traditional drainage systems.
Urban impervious surfaces increase runoff by 30-50%, complicating water management.
The proliferation of impervious surfaces in urban environments significantly alters natural hydrological processes, leading to increased surface runoff and challenges in water management.
Hydrological Sciences Journal · 2015
Key Findings
- 01Urbanization significantly alters natural infiltration and evapotranspiration processes.
- 02Impervious surfaces exacerbate surface runoff, while pervious areas show variable infiltration.
- 03Leaky infrastructure contributes to both groundwater recharge and runoff.
- 04Urban landscapes introduce a range of contaminants that challenge water quality monitoring and treatment.
Application
Design takeaway
Incorporate permeable materials and green infrastructure into urban designs to manage stormwater more effectively and reduce the burden on traditional drainage systems.
How to apply
When designing urban spaces, integrate permeable paving, green roofs, and bioswales to manage stormwater on-site and reduce the volume of runoff entering conventional drainage systems.
Project actions
- 01When researching urban water management, look for studies that quantify the percentage of impervious surfaces.
- 02Consider how different materials affect water infiltration and runoff rates in your design project.
Method & Evidence
Variables
Strengths & Limitations
Strengths
- +Provides a comprehensive overview of a complex and critical environmental issue.
- +Highlights key challenges and areas for future research in urban hydrology.
Limitations
The specific impact of urbanization can vary greatly depending on local climate, geology, and the specific types of urban development.
Reliability & validity
The reliability of findings from a literature review depends on the quality and consistency of the studies reviewed. Validity is enhanced by the breadth of sources and the consensus among researchers on key impacts.
Think critically
How can design interventions in urban areas not only mitigate the negative hydrological impacts of urbanization but also potentially enhance local water resources?
Design Principles
"Mimic natural hydrological processes in urban environments through thoughtful material selection and landscape design."
Understanding how urban development impacts water cycles is crucial for designing sustainable cities. This knowledge informs strategies for managing stormwater, mitigating flood risks, and protecting water quality.
What This Means for Your Design
When cities are built, lots of hard surfaces like roads and buildings replace soil and plants. This means rainwater can't soak into the ground as easily and runs off much faster, causing problems like flooding and pollution.
How to use in your project
- 1.Cite this review when discussing the impact of urban materials on water runoff and quality in your design project's background research.
Add to My Project
Quick Cite
Paragraph starter
The expansion of urban areas, characterized by an increase in impervious surfaces, significantly alters natural hydrological processes. This leads to exacerbated surface runoff and introduces complex challenges for water quality management, necessitating the integration of sustainable urban drainage systems and permeable materials in design projects.
Source
Hydrological Sciences Journal
Impacts of urbanisation on hydrological and water quality dynamics, and urban water management: a review
journal · 2015
View sourceQuestions About This Research
- What does the research say about urban impervious surfaces increase runoff by 30-50%, complicating water management?
- Incorporate permeable materials and green infrastructure into urban designs to manage stormwater more effectively and reduce the burden on traditional drainage systems. Evidence: Hydrological Sciences Journal (2015).
- Why does "Urban impervious surfaces increase runoff by 30-50%, complicating water management." matter for design?
- Understanding how urban development impacts water cycles is crucial for designing sustainable cities. This knowledge informs strategies for managing stormwater, mitigating flood risks, and protecting water quality.
- How can designers apply this research?
- Incorporate permeable materials and green infrastructure into urban designs to manage stormwater more effectively and reduce the burden on traditional drainage systems.
- What were the main findings?
- Urbanization significantly alters natural infiltration and evapotranspiration processes.. Impervious surfaces exacerbate surface runoff, while pervious areas show variable infiltration.. Leaky infrastructure contributes to both groundwater recharge and runoff.. Urban landscapes introduce a range of contaminants that challenge water quality monitoring and treatment.
- What research method was used?
- Literature Review.
- How strong is the evidence?
- Evidence strength is rated Strong effect, based on a 2015 journal from Hydrological Sciences Journal.
- What should I do differently in my next project?
- When designing urban spaces, integrate permeable paving, green roofs, and bioswales to manage stormwater on-site and reduce the volume of runoff entering conventional drainage systems.
- What are the limitations?
- The review focuses on general trends and may not capture specific local variations in hydrological responses.