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Asia-Pacific Network for Global Change Research

Asia-Pacific Network for Global Change Research

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Project • ARCP2015-11CMY-Mishra, ARCP2014-20NMY-Mishra

Climate Change Adaptation through Optimal Stormwater Capture Measures: Towards a New Paradigm for Urban Water Security

Water management became challenging and expensive in the global change context (climate change, urbanization). The major shortcomings of existing research on water management systems are: the neglect of uncertainty in climate change, inadequate knowledge about the infrastructural response sensitivity and nonlinearity in probability propagation from climatic to socio-economic loss, and the lack of a holistic water management framework and most important is the lack of consideration of local aspects in formulation of adaptation strategies. The goal of this project was to develop methodologies for local governments and the local community for adapting to climate change by preserving local water cycle using water sensitive urban infrastructure development. Considering the hydrologic and social point of view, the research attempted to address the challenges of extensive urban floods due to increasing of extreme rainfall intensities in the wet season. Impact of climate change was investigated by considering precipitation projections of various GCMs (Global Climate Models) over Bangkok, Hanoi and Tokyo study area. The study proposes maintaining the stability of the water cycle of the urban catchment as an alternative for sustainable water management.