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Articles, Christchurch uncovered

It’s that time of year again, the summer season is upon us, and this year has really has brought the heat! With much of the country sweltering in the late 20s and early 30s lately, it’s made us appreciate the … Continue reading →

Videos, UC QuakeStudies

A video about the restoration of New Regent Street. The restoration is hoped to be completed in time for the Christmas shopping season. The project is being led by Edward Leeson of Naylor Love, who is also managing the restoration of the Isaac Theatre Royal next door.

Audio, Radio New Zealand

The capital has a tight rental accommodation market, and the peak demand season is just a few weeks from beginning. One prospective Wellington flat hunter, who'd experienced the Christchurch earthquake - including knowledge of the collapse, or partial collapse, of 3 buildings he'd previously lived in - has contacted us, frustrated at the lack of information available from landlords or letting agencies. What rights to information do tenants have?

Audio, Radio New Zealand

After being trapped for hours on the 22nd floor of a hotel following the 2011 Christchurch earthquake, Andy Cleverley decided life had to change. Chucking in his corporate life, he bought an old school bus, converted it into an off-grid motorhome and set off travelling the country with his young family. Documenting everything along the way he created Bus Life NZ - followed by over 46,000 people and viewed by millions. Now he's done it all again with a second bus and a second YouTube season.

Images, Alexander Turnbull Library

The cartoon shows a platter of 'Brownbait patties $2 per kilo'. In the background is a 'contaminated' river. Refers to the contamination of Canterbury's waterways after the earthquake of 4th September which resulted in sewage pipes being damaged thus contaminating the rivers. This means that people should not be attempting to catch whitebait in these rivers during the annual whitebait season which is open between 15 August and 30 November. Quantity: 1 digital cartoon(s).

Audio, Radio New Zealand

Christchurch's historic Theatre Royal will reopen for business in November, with bookings about to open for the first show, the Royal New Zealand Ballet season of "A Christmas Carol" The 106-year old theatre has been closed for almost four years because of earthquake damage in the 2010 and 2011 earthquakes. The $40million rebuild and restoration project will be completed over the next five months and on 17 November 2014, the 'Grand Old Lady' of New Zealand theatre will reopen her doors for performances. With so few venues for performance left in the city, including the Town Hall out of commission indefinitely, the rebuild of the Theatre Royal is very good news for Christchurch audiences Chief executive Neil Cox explains the process of getting oldest Edwardian theatre in the country back in use and mounting the large scale theatrical productions it has been famous for.

Images, Alexander Turnbull Library

A play on rhyming words 'whacked' for terrorist Osama bin Laden who has been killed in a Pakistan village, 'hacked' for 'Sony' after massive hack attacks on three separate gaming systems it runs, 's'ACT' with Rodney Hide who has been ousted as ACT leader by former National leader Don Brash, 'wracked' for Christchurch because of the earthquakes, 'blacked' to describe a $5 bottle of milk, 'smacked' for Glenfield, hit by a tornado, 'jacked' for petrol prices and 'quacked' for a duck in the duck-shooting season. Colour and black and white versions available Quantity: 2 digital cartoon(s).

Audio, Radio New Zealand

The best interviews from Radio New Zealand Sport for the week ending Friday 27 May. This week, the New Zealand footballers head for the United States this weekend for the first of two friendlies and we hear from the man who's likely to stand in for the regular skipper Ryan Nelsen. And in Nelsen's home town, we talk to the director of the Christchurch marathon which looked as if it would have to be cancelled after the earthquake on the 22nd of February Another top All Black has re-signed with the New Zealand Rugby Union - the head coach Graham Henry gives his views on what Richie McCaw's decision means while the captain explains why he's staying when others are going. We'll also hear from one of the standout players in the Highlanders team which continues to mock pre-season wooden spoon predictions. Extra Time - a weekly show from Radio New Zealand Sport which provides extended interviews and comment from issues arising from the sporting week.

Research Papers, Lincoln University

Since the 2010/11 Canterbury earthquakes, Akaroa has been hosting the majority of cruise ship arrivals to Canterbury. This amounts to approximately 70-74 days per season, when between 2,000- 4,000 persons come ashore between 9am and 4pm when in port. This increased level of cruise ship arrivals has had significant impacts, both beneficial and detrimental, on Akaroa. Attitudes within the Akaroa community to hosting cruise ship arrivals appear to be divided, and has led to public debate in Akaroa about the issue. In response to this situation, Christchurch and Canterbury Tourism (CCT) commissioned this research project to assess the impact of cruise ship tourism on the Akaroa community.This research was commissioned and funded by Christchurch and Canterbury Tourism (CCT).

Research Papers, Lincoln University

Globally, the maximum elevations at which treelines are observed to occur coincide with a 6.4 °C soil isotherm. However, when observed at finer scales, treelines display a considerable degree of spatial complexity in their patterns across the landscape and are often found occurring at lower elevations than expected relative to the global-scale pattern. There is still a lack of understanding of how the abiotic environment imposes constraints on treeline patterns, the scales at which different effects are acting, and how these effects vary over large spatial extents. In this thesis, I examined abrupt Nothofagus treelines across seven degrees of latitude in New Zealand in order to investigate two broad questions: (1) What is the nature and extent of spatial variability in Nothofagus treelines across the country? (2) How is this variation associated with abiotic variation at different spatial scales? A range of GIS, statistical, and atmospheric modelling methods were applied to address these two questions. First, I characterised Nothofagus treeline patterns at a 15x15km scale across New Zealand using a set of seven, GIS-derived, quantitative metrics that describe different aspects of treeline position, shape, spatial configuration, and relationships with adjacent vegetation. Multivariate clustering of these metrics revealed distinct treeline types that showed strong spatial aggregation across the country. This suggests a strong spatial structuring of the abiotic environment which, in turn, drives treeline patterns. About half of the multivariate treeline metric variation was explained by patterns of climate, substrate, topographic and disturbance variability; on the whole, climatic and disturbance factors were most influential. Second, I developed a conceptual model that describes how treeline elevation may vary at different scales according to three categories of effects: thermal modifying effects, physiological stressors, and disturbance effects. I tested the relevance of this model for Nothofagus treelines by investigating treeline elevation variation at five nested scales (regional to local) using a hierarchical design based on nested river catchments. Hierarchical linear modelling revealed that the majority of the variation in treeline elevation resided at the broadest, regional scale, which was best explained by the thermal modifying effects of solar radiation, mountain mass, and differences in the potential for cold air ponding. Nonetheless, at finer scales, physiological and disturbance effects were important and acted to modify the regional trend at these scales. These results suggest that variation in abrupt treeline elevations are due to both broad-scale temperature-based growth limitation processes and finer-scale stress- and disturbance-related effects on seedling establishment. Third, I explored the applicability of a meso-scale atmospheric model, The Air Pollution Model (TAPM), for generating 200 m resolution, hourly topoclimatic data for temperature, incoming and outgoing radiation, relative humidity, and wind speeds. Initial assessments of TAPM outputs against data from two climate station locations over seven years showed that the model could generate predictions with a consistent level of accuracy for both sites, and which agreed with other evaluations in the literature. TAPM was then used to generate data at 28, 7x7 km Nothofagus treeline zones across New Zealand for January (summer) and July (winter) 2002. Using mixed-effects linear models, I determined that both site-level factors (mean growing season temperature, mountain mass, precipitation, earthquake intensity) and local-level landform (slope and convexity) and topoclimatic factors (solar radiation, photoinhibition index, frost index, desiccation index) were influential in explaining variation in treeline elevation within and among these sites. Treelines were generally closer to their site-level maxima in regions with higher mean growing season temperatures, larger mountains, and lower levels of precipitation. Within sites, higher treelines were associated with higher solar radiation, and lower photoinhibition and desiccation index values, in January, and lower desiccation index values in July. Higher treelines were also significantly associated with steeper, more convex landforms. Overall, this thesis shows that investigating treelines across extensive areas at multiple study scales enables the development of a more comprehensive understanding of treeline variability and underlying environmental constraints. These results can be used to formulate new hypotheses regarding the mechanisms driving treeline formation and to guide the optimal choice of field sites at which to test these hypotheses.

Audio, Radio New Zealand

Rocket Lab's Electron rocket launch today on the Mahia Peninsula has been scrubbed again, sadly. A power fault this time. Kaikoura residents and businesses are celebrating the re-opening of State Highway 1 north following a year of earthquake repairs. The coastal highway link between Picton and Christchurch was badly damaged during the November 2016 quake but will now re-open during the day from 7am. It will close at 8:30 each night so more repairs and assesments can be done. Kaikoura Top Ten Holiday Park co-owner Ed Nolan tells us what this means for his business and others in the town. The Prime Minister Jainda Ardern says the Government's new families package will reduce child poverty in the country by 48 per cent. We ask the panellists whether this is realistic or if there are other, more entrenched imprediments to lowering poverty in New Zealand. The panellists also discuss the state of the books, and discuss if they worry about national debt iincreasing, as the opposition has warned. The Prime Minister says wealthy New Zealanders can opt out of the Government's Winter Energy Payment, which will see those on a benefit, NZ Superannuation or a Veterans Pension get an extra boost due the winter season. Many are doubtful that will happen though. The panellists discuss why some wealthy people have missed out on tax cuts only to be able to reap the reward of this package. We also ask if they suspect this money will be used for heating purposes. The University of Otago has a new degree which brings science and art together, the BaSc. It aims to break down barriers between the two disciplines. Two students are graduating the degree this week. We talk to Eirenie Taua'i who has been studying Pacific Studies and Neuroscience. We aslk her what careers she is considering now and what it was like to study to very different courses. The families of those who died in the CTV building collapse in Christchurch's 2011 earthquake say they will continue to fight for justice. Police announced earlier this month they won't be prosecuting the engineers of the building after a three-year long investigation. The families met with police to ask and why say they aren't convinced all has been done. We ask panellist, barrister Jonathan Krebs, if other charges could and should be laid.

Research Papers, Lincoln University

Knowledge of past climate variability is essential for understanding present and future climate trends. This study used Halocarpus biformis (pink pine) ring-width chronologies to investigate palaeotemperature history in Westland, New Zealand. The ensuing reconstruction is among the longest palaeoseries produced for New Zealand to date. It is in good agreement with other tree-ring-based records, and with instrumental (both local and hemispheric) data. Thirteen pink pine chronologies were developed. Ring-width measurements were detrended using the Regional Curve Standardisation method to retain as much low-frequency variance as possible. Crossdating revealed the existence of a strong common signal among trees. Inter-site comparison indicated that a common control mechanism affected tree growth not only within sites, but also across sites. To determine whether climate was the main factor that controlled the growth of pink pine in Westland, correlation and response function analyses were employed. Temperature, precipitation and the Southern Oscillation Index were tested for their relationship with tree growth. Mean monthly temperature was identified as the primary growth-limiting factor. Chronologies were positively correlated with temperature over an extended period (5-17 months), and climate response modelling showed that temperature explained 11-60% variance in the tree-ring data. The highest and most stable correlations occurred between tree growth and summer (January-March) temperatures. Tree-ring data from the six sites that contained the strongest temperature signal were combined, and the Westland Regional Chronology (WRC) was developed. The WRC was then used to reconstruct January-March temperatures back to A.D. 1480. The calibration model explained 43% of the variance in temperature, and all calibration and verification tests were passed at high levels of significance. The reconstruction showed that temperatures in Westland have been following a positive trend over the last 520 years. The coolest 25-year period was 1542-1566, while temperatures reached their maximum in 1966-1990. Spectral analysis of the Westland palaeotemperature record revealed cycles at periods of about 3, 5-6, 11, 14, 22, 45 and 125 years. This study also confirmed that climate response is species-dependent. A separate exercise, which compared two species from the same site, demonstrated that while pink pine's growth was mainly influenced by summer temperatures, Libocedrus bidwillii was affected by conditions at the beginning of the growing season. However, the temperature signal in Westland's Libocedrus bidwillii was insufficient to produce a reliable reconstruction. It might be because the climate signal in this species was obscured by disturbances, as was shown in the final section of this project. Frequent growth releases and suppressions implied that Libocedrus bidwillii integrated both major (Alpine Fault earthquakes) and minor (windthrow) disturbances in its ring widths. Pink pine, on the other hand, was not sensitive to disturbance, and was therefore a better indicator of palaeotemperatures in Westland. This research has strengthened the New Zealand network of chronology sites, and confirmed that pink pine has great dendroclimatic value. The last 520 years of temperature fluctuations were reconstructed with a high degree of fidelity - the model developed in this thesis is currently the most accurate estimate of a temperature-growth relationship in the country.