16 March, 2018

Beyond the seawall: a changing climate calls for dynamic solutions

On the face of it, it’s difficult to see similarities between the San Francisco Bay Area and Christchurch, New Zealand. The former is a major hub for one of the largest economies in the world with a population of over 7.5 million people, and home to tech giants like Apple, Google and Facebook. The latter is a gateway to Antarctica, historically a market town and port that services an agricultural hinterland, and home to just under 400,000 people. However, when landscape architect and UC Berkeley Professor Kristina Hill examines the two places through the bi-focal lenses of geology and landscape, unexpected parallels emerge.
Christchurch's 2011 earthquake shifted the city's water
table, leading to structures sinking into the Avon estuary.
Both places face similar challenges: how to adapt their coastal and estuarine environments to sea level rise, how to live with a high and rising groundwater table, how to factor increasing salt and freshwater flooding into planning their urban environments and infrastructure while surviving, and preferably thriving, in highly active seismic zones.


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