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Images for Christchurch Recovery; more images...

Audio, Radio New Zealand

Questions to Ministers 1. Hon PHIL GOFF to the Prime Minister: In stating that "this Government introduced a balanced package of tax cuts" was he saying that his tax changes and the tax system are fair to all New Zealanders? 2. LOUISE UPSTON to the Minister of Finance: What will be the main objectives of Budget 2011 tomorrow? 3. Hon ANNETTE KING to the Prime Minister: When he said "in most cases the tax switch more than compensated people for the increase in GST", in which cases hadn't people been fully compensated? 4. JOHN BOSCAWEN to the Prime Minister: Does he stand by the statement he made in his post-Cabinet press conference on Monday that "Everyone needs to understand that what Don Brash is talking about is hardcore"; if so why? 5. Hon DAVID CUNLIFFE to the Minister of Finance: What is the total impact on the operating balance, over the forecast period, of the fiscal impact of the tax changes in Budget 2010 according to page 70 of the 2010 Budget and Economic Fiscal Update, and how does he reconcile that with the Prime Minister's statement in the House yesterday that "National's tax plan 2010…was fiscally neutral"? 6. ALLAN PEACHEY to the Minister of Corrections: What reports has she received about the first year of container units being used in New Zealand prisons? 7. RAHUI KATENE to the Minister for Communications and Information Technology: What was the motivation behind the decision to remove regulatory forbearance from the Telecommunications (TSO, Broadband, and Other Matters) Amendment Bill? 8. JACINDA ARDERN to the Minister for Canterbury Earthquake Recovery: Does he stand by the Prime Minister's statement in relation to Christchurch that "it looks like the residential rebuild alone will require up to 12,500 full-time workers", if not, how many full-time workers does he believe will now be needed? 9. Hon TAU HENARE to the Minister for Social Development and Employment: What recent announcements has she made to support community social services? 10. CLARE CURRAN to the Minister for Communications and Information Technology: What is the best estimate of the additional cost to the Crown of the change he announced to the ultrafast broadband network this morning? 11. TIM MACINDOE to the Minister of Housing: What recent announcements has he made regarding the Government's Housing Innovation Fund? 12. GARETH HUGHES to the Acting Minister of Energy and Resources: What is her response to the statement of leading scientist and NASA director Dr James Hansen, currently touring New Zealand, that "coal is the single greatest threat to civilisation and all life on our planet" and we should leave it in the ground?

Audio, Radio New Zealand

JAMI-LEE ROSS to the Minister of Finance: What reports has he received on the competitiveness of New Zealand's business sector? ANDREW WILLIAMS to the Minister of Trade: Does he stand by his statement on the Trans-Pacific Partnership that "It's going to be big. It's going to be significant and it's going to help New Zealanders find well-paid jobs"; if so, on what evidence does he base this claim? DAVID SHEARER to the Prime Minister: Does he stand by his statement "…You can trust us. If we say we're going to do something we do it. If we don't, we don't … that's why I've stuck to my guns and I haven't campaigned on one thing and done something different."? METIRIA TUREI to the Prime Minister: Does he stand by his statement regarding investor state disputes procedures proposed in the Trans-Pacific Partnership agreement that "An exclusion solely for Australia and not for everybody else is unlikely to be something we would support"; if so, why? SIMON O'CONNOR to the Minister for Tertiary Education, Skills and Employment: What progress has the Government made to improve the viability of the Student Loan Scheme? JACINDA ARDERN to the Minister for Social Development: How many times, if any, has the Transition to Work Grant, or similar funds, been used by Work and Income New Zealand to purchase tickets to Australia for job seekers who have found work there? SHANE ARDERN to the Minister for Primary Industries: What announcements has he recently made on boosting innovation in the New Zealand primary sector? Hon DAVID PARKER to the Minister of Finance: Does he stand by his statement regarding migration to Australia "What's the point of standing in the airport crying about it?"; if so, how many people have left permanently for Australia since he took office in November 2008? TIM MACINDOE to the Minister for Social Development: What announcements has she made on the Expert Advisory Group on Information Security, who will oversee the development of the initiatives in the Government's White Paper for Vulnerable Children? CHRIS HIPKINS to the Minister of Education: Does she agree with all of the statements the Prime Minister has made regarding food in schools? MOJO MATHERS to the Associate Minister of Health: Other than the LD50 test, will he rule out other animal tests for the pending psychoactive substances testing regime? NICKY WAGNER to the Minister for Canterbury Earthquake Recovery: What progress is the Government making with rebuilding and repairing residential homes in Christchurch?

Audio, Radio New Zealand

DAVID SHEARER to the Prime Minister: Does he stand by his statement: “I’m not going to go and relitigate every comment I’ve made prior to this point because I don’t think that would actually be helpful”? TODD McCLAY to the Minister of Finance: How has the Government balanced the need for responsible fiscal management with its continued support for New Zealand families? METIRIA TUREI to the Prime Minister: Ka whakatau a ia i te kōrero i whakaputaina māna, arā, “I do not accept the view that we are a deeply unequal country. I do not think the evidence suggests that, and people drawing that conclusion are wrong”? Translation: Does he stand by the statement made on his behalf, “I do not accept the view that we are a deeply unequal country. I do not think the evidence suggests that, and people drawing that conclusion are wrong”? JACQUI DEAN to the Minister for Canterbury Earthquake Recovery: What recent announcements has the Government made around the rebuild of the Christchurch city centre? Hon PAREKURA HOROMIA to the Minister of Māori Affairs: Does he stand by all his statements? MAGGIE BARRY to the Minister of Health: Has any progress been made on the Zero Fees for Under Sixes scheme taking coverage over and above the 70 percent of children covered in 2008 achieved by the previous Government? Hon TREVOR MALLARD to the Associate Minister of Education: What progress has been made on the charter schools policy? ALFRED NGARO to the Minister for Social Development: What announcements has she made on the release of the White Paper for Vulnerable Children? CLARE CURRAN to the Minister of Transport: Does he stand by his statement in his press release of 24 May 2012 that “KiwiRail has successfully undertaken a significant investment programme over the previous two years, including: New locomotives and wagons, and refurbishment of the current locomotive fleet”? Rt Hon WINSTON PETERS to the Minister of Finance: Does he stand by the statement made on his behalf that there are no plans to sell KiwiRail? MELISSA LEE to the Minister for Ethnic Affairs: What reports has she received about the Office of Ethnic Affairs working with the Red Cross? JULIE ANNE GENTER to the Minister of Transport: What alternatives did the Government investigate before committing itself to the Road of National Significance between Puhoi and Wellsford, which is now projected to cost $1.76 billion up from $1.69 billion two years ago?

Audio, Radio New Zealand

PAUL GOLDSMITH to the Minister of Finance: What steps is the Government taking to support new jobs and build a productive and competitive economy? Rt Hon WINSTON PETERS to the Minister responsible for the GCSB: Specifically, have there been staff issues associated with the Government Communications Security Bureau and Dotcom affair brought to his attention by the Government Communications Security Bureau or members of the New Zealand Police, in which such staff members no longer work in their previous capacity for the Government Communications Security Bureau or any government agency; if so, what were the circumstances? DAVID SHEARER to the Prime Minister: Further to his answers to the first supplementary question to Oral Question No 1 on 26 September and the first supplementary question to Oral Question No 1 yesterday, does he now know on what date the Government Communications Security Bureau was first told that its surveillance of Kim Dotcom was illegal? ALFRED NGARO to the Minister for Social Development: What recent announcements has she made regarding providing extra financial assistance to grandparents raising grandchildren and other kin-carers? Hon DAVID PARKER to the Minister of Finance: When he said yesterday that with a "relatively high" exchange rate, our exporters "have been sufficiently resilient to be able to grow export volumes and value" did he mean that all export sectors have been growing, and according to Statistics New Zealand, in 2008 dollars what is the percentage change in exports of simply and elaborately transformed manufactured goods from the 2008 to 2012 financial years? METIRIA TUREI to the Prime Minister: Does he stand by his statement, in response to a question about whether he will support my Income Tax (Universalisation of In-work Tax Credit) Amendment Bill that "she wants to give the same millionaires yet more money to raise their kids"? SHANE ARDERN to the Minister for Primary Industries: What progress can he report on the Primary Growth Partnership Initiative? JACINDA ARDERN to the Minister for Social Development: What vulnerabilities were identified in the report prepared by Dimension Data on the security of the Work and Income kiosks? Dr JACKIE BLUE to the Minister of Health: What reports has he received on improving the quality and efficiency of health services? TE URUROA FLAVELL to the Minister of Broadcasting: How does he ensure that the legislative requirement for TVNZ to provide high-quality content that reflects Māori perspectives is reflected in the programming strategy for TV1 and TV2? CHRIS HIPKINS to the Minister of Education: Is she confident that the information she relied upon in deciding on proposals for school closures and mergers in Christchurch was robust and reliable; if so, why? CHRIS AUCHINVOLE to the Minister for Canterbury Earthquake Recovery: What reports has he received on the availability of insurance cover to support the rebuilding of Canterbury following the seismic events?

Research papers, Victoria University of Wellington

New Zealand has experienced several strong earthquakes in its history. While an earthquake cannot be prevented from occurring, planning can reduce its consequences when it does occur. This dissertation research examines various aspects of disaster risk management policy in Aotearoa New Zealand. Chapter 2 develops a method to rank and prioritise high-rise buildings for seismic retrofitting in Wellington, the earthquake-prone capital city of New Zealand. These buildings pose risks to Wellington’s long-term seismic resilience that are of clear concern to current and future policymakers. The prioritization strategy we propose, based on multi-criteria decision analysis (MCDA) methods, considers a variety of data on each building, including not only its structural characteristics, but also its location, its economic value to the city, and its social importance to the community around it. The study demonstrates how different measures, within four general criteria – life safety, geo-spatial location of the building, its economic role, and its socio-cultural role – can be operationalized into a viable framework for determining retrofitting/demolition policy priorities. Chapter 3 and chapter 4 analyse the Residential Red Zone (RRR) program that was implemented in Christchurch after the 2011 earthquake. In the program, approximately 8,000 homeowners were told that their homes were no longer permittable, and they were bought by the government (through the Canterbury Earthquake Recovery Authority). Chapter 3 examines the subjective wellbeing of the RRR residents (around 16000 people) after they were forced to move. We consider three indicators of subjective wellbeing: quality of life, stress, and emotional wellbeing. We found that demographic factors, health conditions, and the type of government compensation the residents accepted, were all significant determinants of the wellbeing of the Red Zone residents. More social relations, better financial circumstances, and the perception of better government communication were also all associated positively with a higher quality of life, less stress, and higher emotional wellbeing. Chapter 4 concentrates on the impact of this managed retreat program on RRR residents’ income. We use individual-level comprehensive, administrative, panel data from Canterbury, and difference in difference evaluation method to explore the effects of displacement on Red Zone residential residents. We found that compared to non-relocated neighbours, the displaced people experience a significant initial decrease in their wages and salaries, and their total income. The impacts vary with time spent in the Red Zone and when they moved away. Wages and salaries of those who were red-zoned and moved in 2011 were reduced by 8%, and 5.4% for those who moved in 2012. Females faced greater decreases in wages and salaries, and total income, than males. There were no discernible impacts of the relocation on people’s self-employment income.

Research papers, University of Canterbury Library

Rapid, reliable information on earthquake-affected structures' current damage/health conditions and predicting what would happen to these structures under future seismic events play a vital role in accelerating post-event evaluations, leading to optimized on-time decisions. Such rapid and informative post-event evaluations are crucial for earthquake-prone areas, where each earthquake can potentially trigger a series of significant aftershocks, endangering the community's health and wealth by further damaging the already-affected structures. Such reliable post-earthquake evaluations can provide information to decide whether an affected structure is safe to stay in operation, thus saving many lives. Furthermore, they can lead to more optimal recovery plans, thus saving costs and time. The inherent deficiency of visual-based post-earthquake evaluations and the importance of structural health monitoring (SHM) methods and SHM instrumentation have been highlighted within this thesis, using two earthquake-affected structures in New Zealand: 1) the Canterbury Television (CTV) building, Christchurch; 2) the Bank of New Zealand (BNZ) building, Wellington. For the first time, this thesis verifies the theoretically- and experimentally validated hysteresis loop analysis (HLA) SHM method for the real-world instrumented structure of the BNZ building, which was damaged severely due to three earthquakes. Results indicate the HLA-SHM method can accurately estimate elastic stiffness degradation for this reinforced concrete (RC) pinched structure across the three earthquakes, which remained unseen until after the third seismic event. Furthermore, the HLA results help investigate the pinching effects on the BNZ building's seismic response. This thesis introduces a novel digital clone modelling method based on the robust and accurate SHM results delivered by the HLA method for physical parameters of the monitored structure and basis functions predicting the changes of these physical parameters due to future earthquake excitations. Contrary to artificial intelligence (AI) based predictive methods with black-box designs, the proposed predictive method is entirely mechanics-based with an explicitly-understandable design, making them more trusted and explicable to stakeholders engaging in post-earthquake evaluations, such as building owners and insurance firms. The proposed digital clone modelling framework is validated using the BNZ building and an experimental RC test structure damaged severely due to three successive shake-table excitations. In both structures, structural damage intensifies the pinching effects in hysteresis responses. Results show the basis functions identified from the HLA-SHM results for both structures under Event 1 can online estimate structural damage due to subsequent Events 2-3 from the measured structural responses, making them valuable tool for rapid warning systems. Moreover, the digital twins derived for these two structures under Event 1 can successfully predict structural responses and damage under Events 2-3, which can be integrated with the incremental dynamic analysis (IDA) method to assess structural collapse and its financial risks. Furthermore, it enables multi-step IDA to evaluate earthquake series' impacts on structures. Overall, this thesis develops an efficient method for providing reliable information on earthquake-affected structures' current and future status during or immediately after an earthquake, considerably guaranteeing safety. Significant validation is implemented against both experimental and real data of RC structures, which thus clearly indicate the accurate predictive performance of this HLA-based method.

Research papers, University of Canterbury Library

Coastal margins are exposed to rising sea levels that present challenging circumstances for natural resource management. This study investigates a rare example of tectonic displacement caused by earthquakes that generated rapid sea-level change in a tidal lagoon system typical of many worldwide. This thesis begins by evaluating the coastal squeeze effects caused by interactions between relative sea-level (RSL) rise and the built environment of Christchurch, New Zealand, and also examples of release from similar effects in areas of uplift where land reclamations were already present. Quantification of area gains and losses demonstrated the importance of natural lagoon expansion into areas of suitable elevation under conditions of RSL rise and showed that they may be necessary to offset coastal squeeze losses experienced elsewhere. Implications of these spatial effects include the need to provide accommodation space for natural ecosystems under RSL rise, yet other land-uses are likely to be present in the areas required. Consequently, the resilience of these environments depends on facilitating transitions between human land-uses either proactively or in response to disaster events. Principles illustrated by co-seismic sea-level change are generally applicable to climate change adaptation due to the similarity of inundation effects. Furthermore, they highlight the potential role of non-climatic factors in determining the overall trajectory of change. Chapter 2 quantifies impacts on riparian wetland ecosystems over an eight year period post- quake. Coastal wetlands were overwhelmed by RSL rise and recovery trajectories were surprisingly slow. Four risk factors were identified from the observed changes: 1) the encroachment of anthropogenic land-uses, 2) connectivity losses between areas of suitable elevation, 3) the disproportionate effect of larger wetland vulnerabilities, and 4) the need to protect new areas to address the future movement of ecosystems. Chapter 3 evaluates the unique context of shoreline management on a barrier sandspit under sea-level rise. A linked scenario approach was used to evaluate changes on the open coast and estuarine shorelines simultaneously and consider combined effects. The results show dune loss from a third of the study area using a sea-level rise scenario of 1 m over 100 years and with continuation of current land-uses. Increased exposure to natural hazards and accompanying demand for seawalls is a likely consequence unless natural alternatives can be progressed. In contrast, an example of managed retreat following earthquake-induced subsidence of the backshore presents a new opportunity to restart saltmarsh accretion processes seaward of coastal defences with the potential to reverse decades of degradation and build sea-level rise resilience. Considering both shorelines simultaneously highlights the existence of pinch-points from opposing forces that result in small land volumes above the tidal range. Societal adaptation is delicately poised between the paradigms of resisting or accommodating nature and challenged by the long perimeter and confined nature of the sandspit feature. The remaining chapters address the potential for salinity effects caused by tidal prism changes with a focus on the conservation of īnanga (Galaxias maculatus), a culturally important fish that supports New Zealand‘s whitebait fishery. Methodologies were developed to test the hypothesis that RSL changes would drive a shift in the distribution of spawning sites with implications for their management. Chapter 4 describes a new practical methodology for quantifying the total productivity and spatiotemporal variability of spawning sites at catchment scale. Chapter 5 describes the novel use of artificial habitats as a detection tools to help overcome field survey limitations in degraded environments where egg mortality can be high. The results showed that RSL changes resulted in major shifts in spawning locations and these were associated with new patterns of vulnerability due to the continuation of pre-disturbance land-uses. Unexpected findings includes an improved understanding of the spatial relationship between salinity and spawning habitat, and identification of an invasive plant species as important spawning habitat, both with practical management implications. To conclude, the design of legal protection mechanisms was evaluated in relation to the observed habitat shifts and with a focus on two new planning initiatives that identified relatively large protected areas (PAs) in the lower river corridors. Although the larger PAs were better able to accommodate the observed habitat shifts inefficiencies were also apparent due to spatial disparities between PA boundaries and the values requiring protection. To reduce unnecessary trade-offs with other land-uses, PAs of sufficient size to cover the observable spatiotemporal variability and coupled with adaptive capacity to address future change may offer a high effectiveness from a network of smaller PAs. The latter may be informed by both monitoring and modelling of future shifts and these are expected to include upstream habitat migration driven by the identified salinity relationships and eustatic sea-level rise. The thesis concludes with a summary of the knowledge gained from this research that can assist the development of a new paradigm of environmental sustainability incorporating conservation and climate change adaptation. Several promising directions for future research identified within this project are also discussed.

Research papers, Lincoln University

Mitigating the cascade of environmental damage caused by the movement of excess reactive nitrogen (N) from land to sea is currently limited by difficulties in precisely and accurately measuring N fluxes due to variable rates of attenuation (denitrification) during transport. This thesis develops the use of the natural abundance isotopic composition of nitrate (δ15N and δ18O of NO₃-) to integrate the spatialtemporal variability inherent to denitrification, creating an empirical framework for evaluating attenuation during land to water NO₃- transfers. This technique is based on the knowledge that denitrifiers kinetically discriminate against 'heavy' forms of both N and oxygen (O), creating a parallel enrichment in isotopes of both species as the reaction progresses. This discrimination can be quantitatively related to NO₃- attenuation by isotopic enrichment factors (εdenit). However, while these principles are understood, use of NO₃- isotopes to quantify denitrification fluxes in non-marine environments has been limited by, 1) poor understanding of εdenit variability, and, 2) difficulty in distinguishing the extent of mixing of isotopically distinct sources from the imprint of denitrification. Through a combination of critical literature analysis, mathematical modelling, mesocosm to field scale experiments, and empirical studies on two river systems over distance and time, these short comings are parametrised and a template for future NO₃- isotope based attenuation measurements outlined. Published εdenit values (n = 169) are collated in the literature analysis presented in Chapter 2. By evaluating these values in the context of known controllers on the denitrification process, it is found that the magnitude of εdenit, for both δ15N and δ18O, is controlled by, 1) biology, 2) mode of transport through the denitrifying zone (diffusion v. advection), and, 3) nitrification (spatial-temporal distance between nitrification and denitrification). Based on the outcomes of this synthesis, the impact of the three factors identified as controlling εdenit are quantified in the context of freshwater systems by combining simple mathematical modelling and lab incubation studies (comparison of natural variation in biological versus physical expression). Biologically-defined εdenit, measured in sediments collected from four sites along a temperate stream and from three tropical submerged paddy fields, varied from -3‰ to -28‰ depending on the site’s antecedent carbon content. Following diffusive transport to aerobic surface water, εdenit was found to become more homogeneous, but also lower, with the strength of the effect controlled primarily by diffusive distance and the rate of denitrification in the sediments. I conclude that, given the variability in fractionation dynamics at all levels, applying a range of εdenit from -2‰ to -10‰ provides more accurate measurements of attenuation than attempting to establish a site-specific value. Applying this understanding of denitrification's fractionation dynamics, four field studies were conducted to measure denitrification/ NO₃- attenuation across diverse terrestrial → freshwater systems. The development of NO₃- isotopic signatures (i.e., the impact of nitrification, biological N fixation, and ammonia volatilisation on the isotopic 'imprint' of denitrification) were evaluated within two key agricultural regions: New Zealand grazed pastures (Chapter 4) and Philippine lowland submerged rice production (Chapter 5). By measuring the isotopic composition of soil ammonium, NO₃- and volatilised ammonia following the bovine urine deposition, it was determined that the isotopic composition of NO₃ - leached from grazed pastures is defined by the balance between nitrification and denitrification, not ammonia volatilisation. Consequently, NO₃- created within pasture systems was predicted to range from +10‰ (δ15N)and -0.9‰ (δ18O) for non-fertilised fields (N limited) to -3‰ (δ15N) and +2‰ (δ18O) for grazed fertilised fields (N saturated). Denitrification was also the dominant determinant of NO₃- signatures in the Philippine rice paddy. Using a site-specific εdenit for the paddy, N inputs versus attenuation were able to be calculated, revealing that >50% of available N in the top 10 cm of soil was denitrified during land preparation, and >80% of available N by two weeks post-transplanting. Intriguingly, this denitrification was driven by rapid NO₃- production via nitrification of newly mineralised N during land preparation activities. Building on the relevant range of εdenit established in Chapters 2 and 3, as well as the soil-zone confirmation that denitrification was the primary determinant of NO₃- isotopic composition, two long-term longitudinal river studies were conducted to assess attenuation during transport. In Chapter 6, impact and recovery dynamics in an urban stream were assessed over six months along a longitudinal impact gradient using measurements of NO₃- dual isotopes, biological populations, and stream chemistry. Within 10 days of the catastrophic Christchurch earthquake, dissolved oxygen in the lowest reaches was <1 mg l⁻¹, in-stream denitrification accelerated (attenuating 40-80% of sewage N), microbial biofilm communities changed, and several benthic invertebrate taxa disappeared. To test the strength of this method for tackling the diffuse, chronic N loading of streams in agricultural regions, two years of longitudinal measurements of NO₃- isotopes were collected. Attenuation was negatively correlated with NO₃- concentration, and was highly dependent on rainfall: 93% of calculated attenuation (20 kg NO₃--N ha⁻¹ y⁻¹) occurred within 48 h of rainfall. The results of these studies demonstrate the power of intense measurements of NO₃- stable isotope for distinguishing temporal and spatial trends in NO₃ - loss pathways, and potentially allow for improved catchment-scale management of agricultural intensification. Overall this work now provides a more cohesive understanding for expanding the use of NO₃- isotopes measurements to generate accurate understandings of the controls on N losses. This information is becoming increasingly important to predict ecosystem response to future changes, such the increasing agricultural intensity needed to meet global food demand, which is occurring synergistically with unpredictable global climate change.