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Research papers, University of Canterbury Library

he strong motion station at Heathcote Valley School (HVSC) recorded unusually high peak ground accelerations (2.21g vertical and 1.41g horizontal) during the February 2011 Christchurch earthquake. Ground motions recorded at HVSC in numerous other events also exhibited consistently higher intensities compared with nearby strong motion stations. We investigated the underlying causes of such high intensity ground motions at HVSC by means of 2D dynamic finite element analyses, using recorded ground motions during the 2010-2011 Canterbury earthquake sequence. The model takes advantage of a LiDAR-based digital elevation model (DEM) to account for the surface topography, while the geometry and dynamic properties of the surficial soils are characterized by seismic cone penetration tests (sCPT) and Multi-Channel Analyses of Surface Waves (MASW). Comparisons of simulated and recorded ground motions suggests that our model performs well for distant events, while for near-field events, ground motions recorded at the adopted reference station at Lyttelton Port are not reasonable input motions for the simulation. The simulations suggest that Rayleigh waves generated at the inclined interface of the surficial colluvium and underlying volcanic rock strongly affect the ground motions recorded at HVSC, in particular, being the dominant contributor to the recorded vertical motions.

Research papers, University of Canterbury Library

This thesis examines the closing of Aranui High School in 2016, a low socio-economic secondary school in eastern Christchurch, New Zealand, and reflects on its history through the major themes of innovation and the impact of central government intervention. The history is explored through the leadership of the school principals, and the necessity for constant adaptation by staff to new ways of teaching and learning, driven by the need to accommodate a more varied student population – academically, behaviourally and culturally – than most other schools in wider Christchurch. Several extreme changes, following a neoliberal approach to education policies at a national government level, impacted severely on the school’s ability to thrive and even survive over the 57 years of its existence, with the final impact of the 2010 and 2011 Canterbury earthquakes leading indirectly to Aranui High’s closure. The earthquakes provided the National government with the impetus to advocate for change to education in Christchurch; changes which impacted negatively on many schools in Christchurch, including Aranui High School. The announcement of the closure of Aranui High shocked many staff and students, who were devastated that the school would no longer exist. Aranui High School, Aranui Primary School, Wainoni Primary School and Avondale Primary School were all closed to make way for Haeata Community Campus, a year 1 to 13 school, which was built on the Aranui High site. Aranui High School served the communities of eastern Christchurch for 57 years from 1960 and deserves acknowledgment and remembrance, and my hope is that this thesis will provide a fair representation of the school’s story, including its successes and challenges, while also explaining the reasons behind the eventual closure. This thesis contributes to New Zealand public history and uses mixed research methods to examine Aranui High School’s role as a secondary school in eastern Christchurch. I argue that the closure of Aranui High School in 2016 was an unjustified act by the Ministry of Education.

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Pupils at South School had a loud shirt day to help raise money for Christchurch earthquake victims. Pictured from left at far back are Jihye Kang, Bradley Messer, Nick Frame, Cody Harford, Miss White, Amber Henderson, Geneva Hatata and Rose Bransgrove. Middle row from left: Jack Ridgway, Miss Sidaway, Eleanor Woodnorth and Tory Simpson. At the front are Maggie Bransgrove and Jordan Murray".

Images, UC QuakeStudies

A photograph of Graeme Kershaw, Technician at the University of Canterbury Department of Physics and Astronomy, sitting among the damaged parts of the Townsend Telescope. The telescope was damaged during the 22 February 2011 earthquake, when the Observatory tower at the Christchurch Arts Centre collapsed. Kershaw has been given the task of restoring the telescope. In this photograph he is holding the telescope's clock drive.

Images, UC QuakeStudies

A photograph of Graeme Kershaw, Technician at the University of Canterbury Department of Physics and Astronomy, sitting among the damaged parts of the Townsend Telescope. The telescope was damaged during the 22 February 2011 earthquake, when the Observatory tower at the Christchurch Arts Centre collapsed. Kershaw has been given the task of restoring the telescope. In this photograph he is holding the telescope's clock drive.

Images, UC QuakeStudies

A photograph of Graeme Kershaw, Technician at the University of Canterbury Department of Physics and Astronomy, sitting among the damaged parts of the Townsend Telescope. The telescope was damaged during the 22 February 2011 earthquake, when the Observatory tower at the Christchurch Arts Centre collapsed. Kershaw has been given the task of restoring the telescope. In this photograph he is holding the telescope's clock drive.

Images, UC QuakeStudies

Detail of a light fitting outside the former Ozone Hotel in North New Brighton. The photographer comments, "The broken light fitting is on the Ozone Hotel, which is red stickered after the 22 February 2011 earthquake in Christchurch. They will need to fix the building before this light gets a new bulb. The distinct blue colour seen is what made the Ozone stand out on Marine Parade".

Images, UC QuakeStudies

A photograph of Graeme Kershaw, Technician at the University of Canterbury Department of Physics and Astronomy, sitting among the damaged parts of the Townsend Telescope. The telescope was damaged during the 22 February 2011 earthquake, when the Observatory tower at the Christchurch Arts Centre collapsed. Kershaw has been given the task of restoring the telescope. In this photograph he is holding the telescope's clock drive.

Images, UC QuakeStudies

A digger demolishing the Ozone Dressing Sheds building. The photographer comments, "This is the end of the Ozone Dressing Sheds built in 1914. The two storey Ozone Cafe, which was a hotel, will be given it's coup de grace on Friday. They were gutted in a spectacular fire in 1922, but were unable to be saved after the Christchurch earthquake on 22 February 2011".

Images, UC QuakeStudies

A damaged brick building on Tuam Street. Bricks have fallen from the wall exposing the interior, where a wooden structure can be seen to have collapsed. The photographer comments, "This is the damage caused by the numerous earthquakes in Christchurch, New Zealand. It closely resembles a face and the round blob in the square hole at the top of the nose is a pigeon".

Videos, UC QuakeStudies

Aerial footage of the Christchurch central city, taken in April 2011, several months after the 22 February 2011 earthquake. The video shows damage to the Cathedral of the Blessed Sacrament, Manchester Street, the Press building, the Octagon Live restaurant, St Elmo Courts, Cashel Mall, the Regent Theatre, the Arts Centre, Woolsack Lane, and the Farmers Building car park. It also shows USAR members meeting in Cathedral Square.

Videos, UC QuakeStudies

A video about the New Zealand Police and the New Zealand Army working in Christchurch to keep the city safe following the 4 September 2010 earthquake. The video includes an interview with Senior Sergeant Phillip Dean, Captain Mark Rutledge, Lance Corporal Aaron Tuhi, Lieutenant Dennis Petre, and Second Lieutenant David Pedrosa-Durie. It also includes footage of the New Zealand Military preparing meals at Burnham Camp.

Images, UC QuakeStudies

A wooden house in Wainoni has visibly bowed inwards towards its centre. The photographer comments, "During the numerous earthquakes in Christchurch the land which ran alongside the Avon river on Avonside Drive slumped towards the waterway. In a line parallel to the road the road, but around 20m away a ground movement occurred which caused some houses to rise up or sink down".

Research papers, The University of Auckland Library

This report provides an understanding of the nature of Canterbury subcontracting businesses operating in the space of earthquake reconstruction in Christchurch. It offers an in-depth look at the factors that influence the development of their capacity and capability to withstand the impact of volatile economic cycles, including the 2008 global financial crisis and the subsequent 2010/11 Canterbury earthquakes. There have been significant changes to the business models of the 13 subcontracting businesses studied since the earthquakes. These changes can be seen in the ways the case study subcontractors have adapted to cope with the changing demands that the rebuild posed. Apart from the magnitude of reconstruction works and new developments that directly affect the capacity of subcontracting businesses in Canterbury, case studies found that subcontractors’ capacity and capability to meet the demand varies and is influenced by the: subcontractors’ own unique characteristics, which are often shaped by changing circumstances in a dynamic and uncertain recovery process; and internal factors in relation to the company’s goal and employees’ needs

Research papers, Lincoln University

This report presents the experiences of Tangata Whaiora (Mental health clients) through the disastrous earthquakes that struck Otautahi/Christchurch in 2010-11. It further analysis these experience to how show the social networks these individuals, their whānau, supporting staff respond and recover to a significant urban disaster. The disaster challenged the mental health of those individuals who are impacted and the operations of organisations and networks that support and care for the mentally ill. How individuals and their families navigate a post-disaster landscape provides an unfortunate but unique opportunity to analyse how these support networks respond to severe disruption. Tangata Whaiora possess experiences of micro-scale personal and family disasters and were not necessarily shocked by the loss of normality in Ōtautahi as a result of the earthquakes. The organic provision of clear leadership, outstanding commitment by staff, and ongoing personal and institutional dedication in the very trying circumstances of working in a post-disaster landscape all contributed to Te Awa o te Ora’s notable response to the disaster.

Research papers, University of Canterbury Library

Land cover change information in urban areas supports decision makers in dealing with public policy planning and resource management. Remote sensing has been demonstrated as an efficient and accurate way to monitor land cover change over large extents. The Canterbury Earthquake Sequence (CES) caused massive damage in Christchurch, New Zealand and resulted in significant land cover change over a short time period. This study combined two types of remote sensing data, aerial imagery (RGB) and LiDAR, as the basis for quantifying land cover change in Christchurch between 2011 – 2015, a period corresponding to the five years immediately following the 22 February 2011 earthquake, which was part of the CES. An object based image analysis (OBIA) approach was adopted to classify the aerial imagery and LiDAR data into seven land cover types (bare land, building, grass, shadow, tree and water). The OBIA approach consisted of two steps, image segmentation and object classification. For the first step, this study used multi-level segmentation to better segment objects. For the second step, the random forest (RF) classifier was used to assign a land cover type to each object defined by the segmentation. Overall classification accuracies for 2011 and 2015 were 94.0% and 94.32%, respectively. Based on the classification result, land cover changes between 2011 and 2015 were then analysed. Significant increases were found in road and tree cover, while the land cover types that decreased were bare land, grass, roof, water. To better understand the reasons for those changes, land cover transitions were calculated. Canopy growth, seasonal differences and forest plantation establishment were the main reasons for tree cover increase. Redevelopment after the earthquake was the main reason for road area growth. By comparing the spatial distribution of these transitions, this study also identified Halswell and Wigram as the fastest developing suburbs in Christchurch. These results provided quantitative information for the effects of CES, with respect to land cover change. They allow for a better understanding for the current land cover status of Christchurch. Among those land cover changes, the significant increase in tree cover aroused particularly interest as urban forests benefit citizens via ecosystem services, including health, social, economic, and environmental benefits. Therefore, this study firstly calculated the percentages of tree cover in Christchurch’s fifteen wards in order to provide a general idea of tree cover change in the city extent. Following this, an automatic individual tree detection and crown delineation (ITCD) was undertaken to determine the feasibility of automated tree counting. The accuracies of the proposed approach ranged between 56.47% and 92.11% in thirty different sample plots, with an overall accuracy of 75.60%. Such varied accuracies were later found to be caused by the fixed tree detection window size and misclassifications from the land cover classification that affected the boundary of the CHM. Due to the large variability in accuracy, tree counting was not undertaken city-wide for both time periods. However, directions for further study for ITCD in Christchurch could be exploring ITCD approaches with variable window size or optimizing the classification approach to focus more on producing highly accurate CHMs.

Audio, Radio New Zealand

A Christchurch couple in a long running dispute over the insurance payout for their earthquake damaged home have reached an out-of-court settlement with Southern Response. The class action was brought on behalf of former AMI Insurance/Southern Response policyholders who believe the company misled them into settling their claims for less than their policies entitled them to. The lawyer for Brendan and Colleen Ross, Grant Cameron, talks to Max Towle about the settlement.  

Audio, Radio New Zealand

Topics - Hundreds of people have lost their lives in Egypt overnight, and it's expected the death toll will continue to rise. This comes after the military over threw the democratically elected leader last month, and has now forcibly closed down protester camps. Power company Orion - owned by Christchurch City Council and Selwyn District Council - is looking to hike its prices until 2019, to help recover revenue lost because of the Canterbury earthquakes.

Audio, Radio New Zealand

The Christchurch City Council has confirmed the demolition of the earthquake-damaged Lancaster Park sports stadium will begin this year. Lancaster Park Cricket club was one of the sports ground's first tenants when it was established in 1881. An act of parliament means the ground has to be used for sport and recreation. "We're certainly looking foward to being able to get back on the ground and for it to be turned back into green space," Ric Horsfall from the cricket club says.

Audio, Radio New Zealand

Topics - appalling stories of Christchurch families living in garages and tents - even a couple renting a wash-house - are continuing to surface almost two years on from the February 2011 earthquake. Youth crime is described as "steadily falling" in New Zealand, with rates of police apprehensions and prosecutions of young people at record lows. Auckland Grammar has employed the services of a private investigator to check on parents trying to cheat on school zone boundaries.

Audio, Radio New Zealand

In quake-ravaged Christchurch businesses are tentatively restarting, and infrastructure is being restored, but there's ongoing uncertainty about job losses and how people will survive financially. Within six days of the February earthquake; the Government had introduced a subsidy scheme for businesses and their employees, as well as people who'd found themselves out of a job. Now there's growing disquiet about what will happen to thousands of Cantabrians when that support scheme finishes at the end of May.

Audio, Radio New Zealand

Thousands of Christchurch refugees have poured into Timaru since the earthquake on February 22, boosting its population by nearly 20 per cent. Social services are giving out hundreds of food parcels, blankets, toiletries and clothes every day as well as finding accommodation for people who have turned up in town with nothing. Major Dean Herring of the Salvation Army in Timaru has been helping evacuees find places to live as well as dealing with the huge piles of donated goods.

Audio, Radio New Zealand

The Week In Review for week ending 12 August 2011... featuring a new rebuild plan for Christchurch's earthquake ravaged CBD, problems at the Waikato-Tainui Tribal Parliament, a pricing fiasco surrounding the Adidas All Blacks Rugby World Cup jersey, the Mana party confirms it will contest all seven Maori seats and some general seats in November's general election, the renaming of Mt Cook's South Ridge to The Hillary Ridge and the White Mouse passes away.

Audio, Radio New Zealand

Sam Harvey says that holding on to grace is one of the things that keeps him striving towards his calling to help others. He's a young pastor of the Beach Campus of Grace Vineyard Church in Christchurch, and moved to the city on the eve of the first earthquake. Sonia Sly finds out what it takes to adhere to the faith during difficult times, and candidly asks about God's voice, New Zealand's attitude to Christianity, and the process of healing through exorcism.

Audio, Radio New Zealand

Our Christchurch correspondent, Katy Gosset takes us on a musical journey with the help of one of the city's longest serving pianists. For 23 years Peter Lewis played the piano in the Crowne Plaza Hotel before being made redundant by the February 2011 earthquake. Peter has since struggled to find a way to share his music with others. Today Katy seeks out some city pianos and takes him on a mystery tour to rediscover the pleasure of playing.

Audio, Radio New Zealand

Ang Jury of Womens' Refuge talks about the announced changes to family violence law and if the government's got it right. Labour's Andrew Little "rejected" yesterday's One News Colmar Brunton Poll so the party released its own results today. Bruce Springsteen has announced dates for a New Zealand tour including a concert in Christchurch for the anniversary of the February 2011 earthquake. Your feedback about the long hours hospital doctors work.

Audio, Radio New Zealand

Today RNZ's Midday supervising producer, Denise Garland, looks at two brand new podcasts. Collapse is a podcast from Stuff, all about the Christchurch earthquakes in the lead up the to 10th anniversary of the devastating quake on February 22nd. She also looks at NZ Wars - Stories of Tainui from RNZ which over the three episodes covers the war of Waikato in the 1860s, the great war for New Zealand, a defining conflict of New Zealand.

Audio, Radio New Zealand

Red Cross aid worker Rosemarie North is in the Banten province of Java where authorities have lifted the alert level for the Anak Krakatau volcano to its second-highest level. She has worked on and off for the Red Cross since 2003 in all kinds of situations, including post-conflict in Sierra Leone, landslides in the Philippines and Papua New Guinea, refugee camps in Chad, earthquakes in Nepal and Christchurch, and tsunamis in Southeast Asia and Samoa. [image_crop:72149:full]

Audio, Radio New Zealand

It's been a long road to recovery for one of Christchurch's biggest post-quake projects. Eight years after the route connecting Sumner to Lyttleton was blocked off by the earthquakes, the road through Evans Pass will reopen on Friday. Sumner residents will now have a second route into the suburb, as well as a renewed connection to Lyttleton. Sara Templeton is the councillor for Heathcote Ward, which covers Sumner, and speaks to Guyon Espiner.

Audio, Radio New Zealand

Australia's controversial offshore detention regime hits a massive stumbling block; Fiji's parliament votes against reinstating the Great Council of Chiefs; Stalemate over probe into high profile PNG fraud case; Pacific thinking about collective action over long line fishing; Lessons from the Christchurch earthquakes used to heal in Fiji; CNMI school group to challenge court gun ruling; Secret to Pacific growth in its growing working age population; Fiji disappointed after Radradra picked for Australia.