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Recovering grand urbanism : ecological landscape, wetlands and phytodepuration in Magok Park, Seoul

Suau, Cristian and Zappulla, Carmelo (2015) Recovering grand urbanism : ecological landscape, wetlands and phytodepuration in Magok Park, Seoul. Journal of Multidisciplinary Engineering Science and Technology, 2 (11). pp. 2947-2953. ISSN 2458-9403

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Abstract

The right to clean water is a vital resource in consolidated emerging urban economies. Alternative fresh water resources and public wastewater management represent one of the most valuable services. However fresh water requires an adequate and advanced depuration technique: the Integrated System of Phytodepuration (ISP). The expansion of mega-cities worldwide has generated many derelict voids. The proliferation of highly polluted brownfields is a constant characteristic, which is likely to continue and increase in future. If left to fall in to neglectfulness and urban inertia, these spaces will have a detrimental effecton local neighborhoods in terms of social health, wellbeing, local economies and environmental qualities. The development of urban parks in urban voids has been generically implemented without environmental and ecological recovery strategies. Waterscape is not just an aesthetic feature but also a decisive element in the production of the space. The construction of manmade wetlands(bio-remediators) offers landscape, ecological and environmental qualities that heal polluted environments. This study explores innovative waterscape systems in the brownfield of Magok basin, Seoul: http://issuu.com/cristiansuau/docs/urban_park_seoul. The landscape design scheme reproduces natural self-depurative processes in a controllable environment by taking into account both the strategic location and necessity for ecological remediation. Innovative water-terracing systems (eco-formations) are proposed as water phytodepuration treatment. It consists of offsetting contaminants on wastewater surface, through the establishing of native plants and aeration. These terraces are dwelled by aquatic plants (macrophytes), which reproduce the natural purification processes frequently inhumid climates. The development of this “artificial wetland scheme” is based on octagonal eco-formations. They aim to create a social catalyst as well as a healthy environment, providing recreation and amenities combined with the gray water biological and distillation treatments.