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    Wastewater wetlands : urban landscape implications and opportunities

    Skelton, Stephen
    Abstract
    An emerging water crisis is on the horizon and is poised to converge with several other impending problems in the 21st century. Future uncertainties such as climate change, peak oil and peak water are shifting the international focus from a business as usual approach to an emphasis on sustainable and resilient strategies that better meet these challenges. Cities are being reimagined in new ways that take a multidisciplinary approach, decompartmentalising functions and exploring ways in which urban systems can share resources and operate more like natural organisms. This study tested the landscape design implications of wastewater wetlands in the urban environment and evaluated their contribution to environmental sustainability, urban resilience and social development. Black and grey water streams were the central focus of this study and two types of wastewater wetlands, tidal flow (staged planning) and horizontal subsurface flow wetlands were tested through design investigations in the earthquake-affected city of Christchurch, New Zealand. These investigations found that the large area requirements of wastewater wetlands can be mitigated through landscape designs that enhance a matrix of open spaces and corridors in the city. Wastewater wetlands when combined with other urban and rural services such as food production, energy generation and irrigation can aid in making communities more resilient. Landscape theory suggests that the design of wastewater wetlands must meet cultural thresholds of beauty and that the inclusion of waste and ecologies in creatively designed landscapes can deepen our emotional connection to nature and ourselves.... [Show full abstract]
    Keywords
    blackwater; greywater; wastewater; green infrastructure; sustainability; resilience; aesthetics; Christchurch; wetlands; landscape performance; landscape architecture
    Date
    2012
    Type
    Thesis
    Collections
    • Masters Theses [809]
    • School of Landscape Architecture [338]
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    Skelton_MLA-01Title Page TOC etc.pdf
    Skelton_MLA-02 Introduction.pdf
    Skelton_MLA-03 Design Review.pdf
    Skelton_MLA-04 Technology.pdf
    Skelton_MLA-05 Theory.pdf
    Skelton_MLA-06 Case Study.pdf
    Skelton_MLA-07 Spatial Anyl.pdf
    Skelton_MLA-08 Redesign.pdf
    Skelton_MLA-09 Conclusion.pdf
    Skelton_MLA-10 resources.pdf
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