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Research papers, University of Canterbury Library

Under the framework of New Public Management, the government has decentralised the responsibility for Disaster Risk Management (DRM) to regional, local, and community levels in New Zealand. This decentralisation serves political agendas related to resource allocation and is supported by empirical evidence suggesting that involving communities in DRM during recovery decision-making enhances disaster resilience. Extensive evidence indicates that community participation in DRM, especially during recovery decision-making, can significantly improve recovery outcomes at the community level. However, there has been limited research into whether the legal framework in New Zealand effectively facilitates meaningful public engagement to empower the public in influencing disaster recovery decisions. To address this gap in the literature, this thesis aims to explore the extent to which legislative and governance arrangements transfer the responsibility, liability, and costs of managing disaster risks to local levels without enabling meaningful public contribution to and influence on recovery decisions affecting them. Situated within Public Law and Disaster Risk and Resilience disciplines and using a case study of Greater Christchurch, New Zealand, this interdisciplinary thesis examines both common law and statutory provisions in the legal framework impacting public engagement before and during recovery from the Canterbury Earthquake Sequence. In particular, this thesis assesses how legislative, and governance frameworks influenced communities’ ability to influence recovery decision-making following the 2010-2011 Canterbury Earthquake Sequence (CES). This thesis shows that before the CES, the New Zealand public engagement system closely adhered to the common law principle of the ‘duty to consult’, which remains the current legal standard. This principle required decision-makers to use the 'public notice and comment' approach as a minimum, limiting meaningful community participation in decision-making. After the earthquakes, reliance on this traditional approach caused growing frustration and division locally, as the public struggled to effectively engage in and influence recovery decisions, resulting in new community activism. The Canterbury Earthquake Recovery Act (CER Act), introduced following the Christchurch Earthquake, included innovative provisions on public engagement. However, for various reasons, this Act appeared to have minimal impact on meaningful public engagement in recovery decision-making, which continued to align with the broader, existing public engagement system and associated norms. The empirical findings indicate that despite the novel legislative language, the traditional public engagement framework in New Zealand constrained effective engagement, leading to a broader erosion of trust between the public and the government. This was largely attributed to the default ‘public notice and comment’ approach at the local government level, with inadequate mechanisms for community engagement in central government decision-making shaping the expectations of recovery decision-makers still operating within this framework. Notable departures from this traditional approach were evident in the practices of the Waimakariri District Council and Christchurch City Council. Particularly noteworthy was the ‘Share an Idea’ public engagement campaign. Unlike conventional processes, it did not commence with a near-final or draft document. Instead, it utilised participatory mechanisms that fostered meaningful dialogue, enabling the public to significantly shape the content of the draft Christchurch Central Recovery Plan. The initial success of such participatory engagement underscores its potential effectiveness throughout the entire recovery planning process, an option that was not exercised by the central government. In conclusion, this thesis argues that New Zealand should move beyond the entrenched ‘public notice and comment’ approach and adopt more open and inclusive public participation mechanisms. It contends that supplementing this approach with proactive participatory methods before disasters could yield favorable outcomes during disaster recovery, thereby ensuring meaningful public involvement in future decisions that affect communities.

Research papers, University of Canterbury Library

This study investigates evidence for linkages and fault interactions centred on the Cust Anticline in Northwest Canterbury between Starvation Hill to the southwest and the Ashley and Loburn faults to the northeast. An integrated programme of geologic, geomorphic, paleo-seismic and geophysical analyses was undertaken owing to a lack of surface exposures and difficulty in distinguishing active tectonic features from fluvial and/or aeolian features across the low-relief Canterbury Plains. LiDAR analysis identified surface expression of several previously unrecognised active fault traces across the low-relief aggradation surfaces of the Canterbury Plains. Their presence is consistent with predictions of a fault relay exploiting the structural mesh across the region. This is characterised by interactions of northeast-striking contractional faults and a series of re-activating inherited Late Cretaceous normal faults, the latter now functioning as E–W-striking dextral transpressive faults. LiDAR also allowed for detailed analysis of the surface expression of individual faults and folds across the Cust Anticline contractional restraining bend, which is evolving as a pop-up structure within the newly established dextral shear system that is exploiting the inherited, now re-activated, basement fault zone. Paleo-seismic trenches were located on the crest of the western arm of the Cust Anticline and across a previously unrecognised E–W-striking fault trace, immediately southwest of the steeply plunging Cust Anticline termination. These studies confirmed the location and structural style of north-northeast-striking faults and an E–W-striking fault associated with the development of this structural culmination. A review of available industry seismic reflection lines emphasised the presence of a series of common structural styles having the same underlying structural drivers but with varying degrees of development and expression, both in the seismic profiles and in surface elevations across the study area. Based on LiDAR surface mapping and preliminary re-analysis of industry seismic reflection data, four fault zones are identified across the restraining bend structural culminations, which together form the proposed Oxford–Cust–Ashley Fault System. The 2010–2012 Canterbury Earthquake Sequence showed many similarities to the structural pattern established across the Oxford–Cust–Ashley Fault System, emphasising the importance of identification and characterization of presently hidden fault sources, and the understanding of fault network linkages, in order to improve constraints on earthquake source potential. Improved understanding of potentially-interactive fault sources in Northwest Canterbury, with the potential for combined initial fault rupture and spatial and temporal rupture propagation across this fault system, can be used in probabilistic seismic hazard analysis for the region, which is essential for the suitability and sustainability of future social and economic development.