Linking climate, water demand, urban form and social norms in Hawai'l
Date
2016
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Publisher
AESOP
Abstract
Climate, urbanization and ecosystem change present major challenges for the future of water resources. A major focus of water resource and climate change research has concentrated on how climate change might affect the supply of water 1–3. However, just as important, is how climate change could affect water demand through biophysical and social mechanisms 4. Changes in temperature, humidity and/or rainfall can significantly influence evaporation, evapotranspiration and soil moisture, and thus demand for irrigation water in residential landscapes. Climate can exacerbate the microclimate effect (also known as the urban heat island) of urbanization. Residential use of air conditioning can spike as temperatures warm, which can drive indirect demand for water use. The shape, use and structure of the built and natural environment can also affect water management. For example, previous research has shown that water use is dependent on population density, parcel size, land cover, built infrastructure, and landscaping practices 5–7. A separate line of research has also shown that water use is likely influenced by social and economic structures, including social norms. For example, attitudes and norms toward future resources have been shown to be significant predictors of water conservation and intention to use less water 8.
Description
Proceedings of the IV World Planning Schools Congress, July 3-8th, 2016 : Global crisis, planning and challenges to spatial justice in the north and in the south
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