Abstract
Due to the widespread of recognition on climate change, global warming influences, urban communities are increasingly seeking to ensure not only resilience to urban water supply in the future, but also optimizing harness of urban water to create hydro-social benefits, which enhance health of urban living environment. Over 20 years, a lot of effort has been put on emerging researches, government policies, and application on practices of transforming from the conventional way of city development into the integrative water sensitive cities. However, the hydro-social resilience system toward water sensitive cities has not been established yet enough to aware as common vision internationally, while doing overhaul of existing urban water management system and adaptation process of new understanding and approach of contextual hydro-social systems. This paper provides principles of water sensitive cities toward urban resiliency through trans-disciplinary approach in the context of high density cities; 1) socio-political system to support social behavior changes on sustainability and livable urban living environment; 2) centralized and decentralized hydro-technical systems and infrastructure to underpin diversity of urban water sources to mitigate vulnerability from climate change, flooding, increasing population, etc.; 3) environmental resilience to enhance quality of waterway, and public health in both built environment and natural environment, as it will be designed and planed as a part of environmental infrastructures, which gives direct impact on urban living environment. While progressing transformation to achieve resilience system, the approach of leading water sensitive cities from Australia and Singapore will be presented.
Highlights
Based on the rapid urbanisation of increasing population, the city has developed and expanded dramatically in the past decades
Urban water management transitions framework (Brown et al, 2009) indicate that the hydro-social system in a water sensitive city is adaptive as part of transition process to more sustainable water management of the city underpinned by a flexible institutional regime, and co-existing and diverse infrastructure within built and natural environment
This paper proposes the principles of water sensitive city translated from theory and current sociotechnical development
Summary
Based on the rapid urbanisation of increasing population, the city has developed and expanded dramatically in the past decades. The conventional water management infrastructure, institutional framework and environmental resilience in built and natural environment as well as social behaviors are critical and required to overhaul current status in order to resolve the current and future challenges for resilience regarding uncertainties of water supply and urban water management issues from the impact of climate change and population growth. Urban water management transitions framework (Brown et al, 2009) indicate that the hydro-social system in a water sensitive city is adaptive as part of transition process to more sustainable water management of the city underpinned by a flexible institutional regime, and co-existing and diverse infrastructure within built and natural environment It reflects a detail and engaged community support of a sustainable lifestyle and would extend to the professional and practitioners in the water sector in relation to capacity of innovative and sustainable management of the urban water resources. It applies to the urban development and landscape sector as well to reinforce flexibility and diversity among urban form, infrastructure and supportive institutional context to link and create synergy between society and technology to enhance liveability
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