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Images for Recovery; more images...

Research papers, University of Canterbury Library

Welcome to the Recover newsletter Issue 5 from the Marine Ecology Research Group (MERG) of the University of Canterbury. Recover is designed to keep you updated on our MBIE-funded earthquake recovery project called RECOVER (Reef Ecology, Coastal Values & Earthquake Recovery). This 5th instalment covers the question of how much of the coast uplifted how much, recent lab work on seaweed responses to stressors, and more on our drone survey work to quantify earthquake impacts and recovery along 130 km of coastline in the intertidal zone!

Images, UC QuakeStudies

Christchurch Mayor Bob Parker handling a jackhammer on Kingsford Street in Burwood, as part of the opening of the Stronger Christchurch Infrastructure Rebuild Team (SCIRT). Earthquake Recovery Minister Jerry Brownlee is watching on.

Images, UC QuakeStudies

Christchurch Mayor Bob Parker handling a jackhammer on Kingsford Street in Burwood, as part of the opening of the Stronger Christchurch Infrastructure Rebuild Team (SCIRT). Earthquake Recovery Minister Jerry Brownlee is watching on.

Images, UC QuakeStudies

A poster created by Empowered Christchurch to advertise their submission to the CERA Draft Transition Recovery Plan on social media.The poster reads, "Submission, CERA Draft Transition Recovery Plan. Seismic Risk. One thing we can learn from the past is that seismic risk in Canterbury has been underestimated before the earthquakes struck. This is confirmed in a report for EQC in 1991 (paper 2005). It is also the conclusion of the Royal Commission in the CTV report. A number of recommendations have been made but not followed. For example, neither the AS/NZS 1170.5 standard nor the New Zealand Geotechnical Society guidelines have been updated. Yet another recovery instrument is the Earthquake Prone Building Act, which is still to be passed by Parliament. As the emergency response part of the recovery is now behind us, we need to ensure sustainability for what lies ahead. We need a city that is driven by the people that live in it, and enabled by a bureaucracy that accepts and mitigates risks, rather than transferring them to the most vulnerable residents."

Research papers, The University of Auckland Library

Critical infrastructure networks are highly relied on by society such that any disruption to service can have major social and economic implications. Furthermore, these networks are becoming increasingly dependent on each other for normal operation such that an outage or asset failure in one system can easily propagate and cascade across others resulting in widespread disruptions in terms of both magnitude and spatial reach. It is the vulnerability of these networks to disruptions and the corresponding complexities in recovery processes which provide direction to this research. This thesis comprises studies contributing to two areas (i) the modelling of national scale in-terdependent infrastructure systems undergoing major disruptions, and (ii) the tracking and quantification of infrastructure network recovery trajectories following major disruptions. Firstly, methods are presented for identifying nationally significant systemic vulnerabilities and incorporating expert knowledge into the quantification of infrastructure interdependency mod-elling and simulation. With application to the interdependent infrastructures networks across New Zealand, the magnitudes and spatial extents of disruption are investigated. Results high-light the importance in considering interdependencies when assessing disruptive risks and vul-nerabilities in disaster planning applications and prioritising investment decisions for enhancing resilience of national networks. Infrastructure dependencies are further studied in the context of recovery from major disruptions through the analysis of curves measuring network functionality over time. Continued studies into the properties of recovery curves across a database of global natural disasters produce statistical models for predicting the trajectory and expected recovery times. Finally, the use of connectivity based metrics for quantifying infrastructure system functionality during recovery are considered with a case study application to the Christchurch Earthquake (February 22, 2011) wastewater network response.

Images, UC QuakeStudies

Christchurch Mayor Bob Parker handling a jackhammer on Kingsford Street in Burwood. This was part of the opening of the Stronger Christchurch Infrastructure Rebuild Team (SCIRT). Earthquake Recovery Minister Jerry Brownlee and a contractor are looking on.

Images, UC QuakeStudies

Christchurch Mayor Bob Parker handling a jackhammer on Kingsford Street in Burwood. This was part of the opening of the Stronger Christchurch Infrastructure Rebuild Team (SCIRT). Earthquake Recovery Minister Jerry Brownlee and a contractor are looking on.