water retention

Water retention, also known as fluid retention or edema, occurs when excess fluids build up in the body's tissues, often resulting in swelling in areas like the ankles, feet, and hands. It can be caused by various factors, including high sodium intake, hormonal changes, medications, or underlying medical conditions such as heart or kidney issues. To help manage water retention, it’s important to stay hydrated, reduce salt intake, and consult a healthcare provider if the condition persists.

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    Definition of Water Retention in Architecture

    Water retention in architecture refers to the techniques and principles used to manage rainfall and water storage within an architectural design. By incorporating these elements, structures can help alleviate problems, such as stormwater runoff and flooding, while also promoting water conservation.

    Importance of Water Retention in Architectural Design

    Water retention plays a crucial role in sustainable architecture. It involves integrating features that can hold or delay the flow of rainwater, thus helping to maintain a balanced ecosystem. Some benefits of water retention in architecture include:

    • Reducing the risk of urban flooding
    • Enhancing groundwater recharge
    • Minimizing soil erosion
    • Improving water quality
    • Supporting biodiversity around urban areas

    Common Water Retention Features

    Several architectural features can be included in designs to manage water retention efficiently. These features not only contribute to aesthetics but also to functionality. Some common methods are:

    • Green Roofs: They are covered with vegetation that absorbs rainwater and provides insulation.
    • Permeable Pavements: These surfaces allow water to infiltrate through them, reducing runoff.
    • Rain Gardens: Depressed areas with plants that capture and filter rainwater.
    • Retention Ponds: Artificial lakes that store rainwater and prevent flooding.

    Retention ponds are artificial basins designed to manage stormwater runoff by capturing and storing rainwater temporarily.

    An example of water retention in architecture is the use of a bioswale in urban planning. A bioswale is a channel filled with vegetation that filters and directs stormwater away from roads and pathways, allowing it to soak into the ground and replenish groundwater supplies.

    Incorporating water retention features in your building design can also contribute to achieving sustainable building certifications, like LEED (Leadership in Energy and Environmental Design).

    Historical Context: In ancient times, civilizations such as the Romans and the Harappans were adept at creating water retention systems. They built aqueducts and reservoirs to manage water resources effectively. This history provides a rich source of inspiration for modern architects looking to integrate water management into their designs. Understanding these techniques can help architects create innovative solutions to contemporary water issues.

    Role of Water Retention in Sustainable Architecture

    Water retention is integral to creating environmentally sustainable buildings. It ensures that water resources are managed efficiently, reducing the environmental impact of buildings and urban landscapes. Through water retention, architects aim to design buildings that harmonize with natural water cycles rather than disrupt them. Sustainable architecture incorporating water retention can deliver numerous ecological and economical benefits, promoting resilience to climate change and supporting biodiversity within urban environments.

    Significance of Water Retention Techniques

    Implementing water retention features in buildings is becoming increasingly significant due to the growing concerns about environmental sustainability. These techniques offer:

    • Water Conservation: By capturing rainwater, buildings reduce the need for external water sources.
    • Energy Efficiency: Water stored can be used for non-potable purposes, reducing energy consumption related to water supply.
    • Climate Resilience: Helps in managing water efficiently during both droughts and heavy rainfall, mitigating climate-related risks.

    Techniques for Managing Water Retention in Architectural Design

    Architectural design can significantly influence water retention strategies. With effective techniques, you can manage stormwater, conserve resources, and enhance urban ecosystems. Here, you'll explore some methods to incorporate water retention effectively in your designs.

    Green Roof Systems

    Green roofs, also known as living roofs, are an innovative way to manage water retention by integrating vegetation on rooftops. These systems offer numerous environmental benefits, including the reduction of stormwater runoff and the promotion of biodiversity. A green roof usually consists of several layers such as a waterproof membrane, drainage, and soil components that support plant life. By naturally absorbing rainwater, green roofs aid in cooling buildings, reducing the urban heat island effect, and even improving air quality. The benefits of green roofs include:

    • Insulation properties reduce energy costs
    • Extended roof lifespan
    • Mitigation of urban noise pollution
    • Support for urban wildlife

    An exemplary case of green roof technology is Chicago's City Hall. This building demonstrates effective water retention through its extensive green roof, which successfully reduces stormwater runoff and creates a welcoming environment for urban wildlife.

    Historical Influence: The concept of green roofs is not entirely new. Traditional architecture in Iceland and Scandinavia used turf roofs, which provided natural insulation and water management. Modern green roofs are an evolution of this ancient practice, optimized now with modern technology for maximum efficiency and impact.

    Rain Gardens and Bioswales

    Rain gardens and bioswales are landscape elements designed to manage water retention by absorbing rainwater and pollutants from runoff. Rain gardens are shallow, vegetated basins that collect rainwater from impervious surfaces like rooftops and pavements. These gardens slow down water flow, allowing it to be naturally absorbed into the soil and reducing the burden on drainage systems. They enhance the aesthetic appeal of a space while effectively managing stormwater. Bioswales, on the other hand, are channels designed with gently sloped sides and filled with vegetation, compost, and other organic materials. They are specifically used to direct and filter stormwater runoff, promoting groundwater recharge and improving water quality.

    Did you know? Placing a rain garden strategically on your property can reduce your irrigation needs and help recharge local aquifers.

    Bioswales are landscape elements designed to filter and direct stormwater runoff while facilitating water infiltration into the ground.

    Architectural Strategies for Water Retention

    Architectural strategies for water retention are key to managing water sustainably in urban and building design. These strategies not only reduce runoff but also contribute to water conservation and enhanced urban ecosystems through innovative design solutions.

    Permeable Pavements

    Permeable pavements are an essential strategy in water retention architecture, designed to allow water to infiltrate through surfaces rather than run off into drainage systems. They are created using materials like porous concrete, porous asphalt, and interlocking pavers.

    • Porous Concrete: Contains voids that let water pass through easily.
    • Porous Asphalt: Similar to regular asphalt but allows water percolation.
    • Interlocking Pavers: Pre-cast blocks with gaps filled by fine aggregates to permit water flow.
    These pavements help in recharging the groundwater and reducing the pressure on stormwater drainage systems. By using permeable pavement systems, you can effectively minimize urban flooding and waterlogging issues.

    A notable example of a permeable pavement system is found in Chicago's Green Alley Program. These alleys use permeable materials to manage stormwater, helping alleviate the urban heat island effect and improving groundwater recharge.

    Retention Ponds and Cisterns

    Retention ponds and cisterns are traditional yet highly effective methods for managing water retention in architecture. These systems allow for the storage and controlled release of rainwater, playing a crucial role in water conservation and stormwater management.Retention Ponds: Are often used in large developments and urban settings to catch and store rainwater. This stored water can be slowly released back into the environment, reducing flood risks and improving water quality by allowing sediment and contaminants to settle.Cisterns: Typically found underground, they store collected rainwater for reuse. This stored water can be used for non-potable applications such as irrigation and flushing toilets, reducing reliance on municipal water supplies.

    Cisterns are tanks or storage systems designed to collect and hold rainwater, often underground.

    The concept of using cisterns dates back to ancient civilizations, such as the Romans, who utilized vast underground water storage systems to secure a stable water supply during drier months. This historical use highlights the timeless relevance of cisterns in achieving sustainable water management.

    Greywater Recycling Systems

    Greywater recycling involves the collection and treatment of domestic wastewater from sources like sinks, showers, and laundry, excluding toilets. This water is then reused for non-drinking purposes, which aids in water conservation efforts significantly.

    • Benefits of Greywater Recycling:
      • Reduces fresh water usage.
      • Decreases the load on wastewater treatment systems.
      • Supports garden and landscape irrigation.
    • Components of a Greywater System:
      • Collection system for domestic wastewater.
      • Treatment units to filter and disinfect the water.
      • Storage tanks to hold recycled water.

    Remember to balance the design of your greywater system with local environmental regulations to ensure the health and safety of all users.

    water retention - Key takeaways

    • Water retention in architecture refers to techniques for managing rainfall and water storage within architectural designs, aiding in alleviating stormwater runoff and flooding.
    • Water retention plays a crucial role in sustainable architecture by helping maintain a balanced ecosystem and offering benefits like reducing urban flooding and enhancing groundwater recharge.
    • Common architectural features for managing water retention include green roofs, permeable pavements, rain gardens, and retention ponds.
    • Architectural strategies for water retention are key in sustainable design, focusing on reducing runoff and enhancing urban ecosystems.
    • Water retention techniques, such as greywater recycling and cisterns, contribute to water conservation and resource management in architectural design.
    • Historical context shows civilizations like the Romans using water retention systems, inspiring modern sustainable architectural solutions.
    Frequently Asked Questions about water retention
    How does water retention impact building foundations?
    Water retention can lead to increased pressure on building foundations, causing soil expansion or contraction. This pressure can result in foundation settlement, cracks, and structural instability. Proper drainage systems and waterproofing mitigate these risks by directing water away from the foundation.
    What are the best materials to use in construction for managing water retention in green roofs?
    The best materials for managing water retention in green roofs include lightweight granular materials such as expanded clay aggregate, perlite, and pumice. These materials provide excellent drainage while retaining necessary moisture for plant growth. Additionally, geotextiles and water retention mats can be used to enhance water management efficiency.
    How can proper water retention design help prevent structural damage in buildings?
    Proper water retention design prevents structural damage by managing excess water, reducing soil erosion, and preventing the foundation's weakening. It ensures efficient drainage, minimizing water accumulation that can lead to cracks or destabilization. Additionally, it sustains landscaping and reduces pressure on stormwater systems, preserving the building's integrity.
    What role does water retention play in sustainable landscape architecture?
    Water retention in sustainable landscape architecture helps manage stormwater, reduces runoff, supports groundwater recharge, and enhances plant growth by maintaining soil moisture. It contributes to biodiversity, improves urban microclimates, and reduces the need for irrigation, thereby conserving water resources and promoting ecological health.
    How can water retention strategies be integrated into urban planning for flood prevention?
    Water retention strategies in urban planning can be integrated by designing green infrastructures like rain gardens, permeable pavements, and green roofs, which absorb and manage stormwater. Incorporating natural waterways, enlarging reservoirs, and constructing detention basins also help in managing excess water. Restoring wetlands and using rainwater harvesting systems are effective for flood prevention.
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    StudySmarter Editorial Team

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