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Images for house and garden; more images...

Images, UC QuakeStudies

A photograph of a house on Glenarm Terrace in Dallington. The chimney fell off the roof during the September earthquake and the bricks are still lying on the ground. A tarpaulin has been placed over the top of the hole to prevent water damage inside the house. Ironically, it has been weighed down with bricks. Spring flowers can be seen in the garden.

Images, UC QuakeStudies

A photograph of a sign in the garden of Donna Allfrey's house at 406 Oxford Terrace. The sign reads, "It's been a lot of fun - yeah right!". The photographer comments, "'It's been a lot of fun' is a quote from John Key about the Canterbury earthquakes and the 'yeah right' is a play on the Tui Beer advertisements".

Images, UC QuakeStudies

A scanned copy of a photograph of the garden of Di Madgin's former home in the Red Zone, taken before the earthquakes. She describes the scene in the photograph as, "This is the courtyard that we made, to have an eating place at the back of the house. The tree in the neighbours' was a tree that Pete's brother stole on a school trip up in the mountains from a national park. They planted this red beech in the garden. It became the neighbourhood bird tree and the sound was fantastic in the evenings."

Images, UC QuakeStudies

A partially deconstructed house in Bexley. The roof cladding and parts of the wall cladding have been removed. The photographer comments, "Today I took a drive around the residential area between Bexley and New Brighton. It was a stark reminder to be thankful for the situation we're in and perhaps not complain too much that our garden wall hasn't yet been rebuilt".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch begins the slow recovery process after last weeks devastating 7.1 earthquake. Laura and Angus Chisholm pictured at their property off Harewood Road. Ironically their property was seriously damaged by a boy racer who careered off the road and smashed through their garden fence and hit the front of the house knocking part of it off its foundations".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch begins the slow recovery process after last weeks devastating 7.1 earthquake. Laura and Angus Chisholm pictured at their property off Harewood Road. Ironically their property was seriously damaged by a boy racer who careered off the road and smashed through their garden fence and hit the front of the house knocking part of it off its foundations".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch begins the slow recovery process after last weeks devastating 7.1 earthquake. Laura and Angus Chisholm pictured at their property off Harewood Road. Ironically their property was seriously damaged by a boy racer who careered off the road and smashed through their garden fence and hit the front of the house knocking part of it off its foundations".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch begins the slow recovery process after last weeks devastating 7.1 earthquake. Laura and Angus Chisholm pictured at their property off Harewood Road. Ironically their property was seriously damaged by a boy racer who careered off the road and smashed through their garden fence and hit the front of the house knocking part of it off its foundations".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch begins the slow recovery process after last weeks devastating 7.1 earthquake. Laura and Angus Chisholm pictured at their property off Harewood Road. Ironically their property was seriously damaged by a boy racer who careered off the road and smashed through their garden fence and hit the front of the house knocking part of it off its foundations".

Images, UC QuakeStudies

A residential property in Bexley with an overgrown garden. A spray-painted message on the wall of the house reads, "Thanks 4 the memories, 1997-2012, kia kaha". The photographer comments, "Today I took a drive around the residential area between Bexley and New Brighton. It was a stark reminder to be thankful for the situation we're in and perhaps not complain too much that our garden wall hasn't yet been rebuilt ... Saddest of all are the messages that have been scrawled on walls and garage doors by departing locals. At one end of the scale, thanking the family home for the memories, and at the other end of the scale cursing the looters which have made a bad situation that much more unbearable".

Images, UC QuakeStudies

A tribute taped to a window of a house on Tasman Place. The tribute reads, "Our red zoned house. When we bought you years ago, you looked a bit tired and sad, but overall you weren't too bad. We spruced you up with paint and love and asked for a blessing from above. The years went by, family and friends celebrations under your roof, your 'veggie' garden gave us kai. We felt safe within your wall, then one dreadful September night, the shaking earth made you fall. You tried with all your groaning might to keep us from harm. Because you were strongly built we held onto the door, while a wave of terror buckled the floor and outside the garden flooded with silt. Now you are near the end, sunken walls and windows bend. We say goodbye today and let you go, Our spirit and heart feels low. You are more than just mortar and brick. For us you were a gift, a safe haven where we once lived".

Images, UC QuakeStudies

A large hole surrounded by liquefaction silt in the garden of a house in Bexley. The photographer comments, "This was most probably the serious hole I saw today. Can you imagine that when this occurred the whole area would have been inches deep in brown water. You would not been able to tell what you were walking on. Back in February a little girl rode her bike into one of these and had to be rescued by a passer by".

Images, Alexander Turnbull Library

A woman chats over her garden wall to a passerby who is curious about a huge container-like structure labeled 'emergency kit' that has been built beside the house. She says that in the event of a natural disaster Harold wants to ensure that they will have enough provisions to see them through the Rugby World Cup. Refers to the Christchurch earthquake that occurred 4th September 2010. Quantity: 1 digital cartoon(s).

Research papers, University of Canterbury Library

Earthquakes cause significant damage to buildings due to strong vibration of the ground. Levitating houses using magnets and electromagnets would provide a complete isolation of ground motion for protecting buildings from seismic damage. Two types of initial configuration for the electromagnet system were proposed with the same air gap (10mm) between the electromagnet and reluctance plate. Both active and passive controller are modelled to investigate the feasibility of using a vibration control system for stabilizing the magnetic system within the designed air gap (10mm) in the vertical direction. A nonlinear model for the magnetic system is derived to implement numerical simulation of structural response under the earthquake record in Christchurch Botanic Gardens on 21 February 2011. The performance of the uncontrolled and the controlled systems are compared and the optimal combination of control gains are determined for the PID active controller. Simulation results show both active PID controller with constant and nonlinear attracting force are able to provide an effective displacement control within the required air gap (+/-5mm). The maximum control force demand for the PID controller in the presence of nonlinear attracting force is 4.1kN, while the attracting force in equilibrium position is 10kN provided by the electromagnet. These results show the feasibility of levitating a house using the current electromagnet and PID controller. Finally, initial results of passive control using two permanent magnets or dampers show the structural responses can be effectively reduced and centralized to +/-1mm using a nonlinear centring barrier function.

Research papers, University of Canterbury Library

Cats all over the world hunt wild animals and can contribute to the extinction of threatened species. In New Zealand, around half of all households have at least one cat. When cats live close to a natural area, such as a wetland, they may have impacts on native species. A previous study on the movements and hunting behaviour of domestic (house) cats around the Travis Wetland, Christchurch, New Zealand during 2000-2001 raised concerns about the effects of cats on the local skink population, as skinks were a frequent prey item. My study is a comparison to the prior study, to determine if impacts have changed alongside changes in human populations in the area post-earthquake. The domestic cat population in the area was estimated by a household survey in March-April 2018. For a 6 month period from March-September 2018, 26 households recorded prey brought home by their 41 cats. During April-July 2018, 14 cats wore Global Positioning System (GPS) devices for 7 days each to track their movements. Skink abundance was measured with pitfall trapping over 20 days in February 2018. There were more households in the area in 2018 than there were in 2000, but the numbers of cats had decreased. In the 196 ha study area around Travis Wetland, the domestic cat population was estimated at 429 cats, down from the previous 494. Most of the cats were free roaming, but the majority had been desexed and many were mostly seen at home. A total of 42 prey items were reported from 26 households and 41 cats over 6 months. Of these, 62% were rodents, 26% were exotic birds, and 12% were native birds. There were no native skinks, other mammals, or other vertebrates such as fish and amphibians (invertebrates were not included in this study). Eight male and six female cats were tracked by GPS. Home range sizes for the 100% minimum convex polygons (MCPs) ranged from 1.34 to 9.68 ha (mean 4.09 ha, median 3.54 ha). There were 9/14 (64%) cats that entered the edge of the wetland. Males had significantly larger home range areas at night and in general compared with females. However, age and distance of the cat’s household to the wetland did not have a significant effect on home range size and there was no significant correlation between home range size and prey retrieved. In 20 days of skink trapping, 11 Oligosoma polychroma were caught. The estimated catch rate was not significantly different from an earlier study on skink abundance in Travis Wetland. The apparently low abundance of skinks may have been the result of successful wetland restoration creating less suitable skink habitat, or of other predators other than cats. In the future, increased education should be provided to the public about ways to increase wildlife in their area. This includes creating lizard friendly habitat in their gardens and increasing management for cats. Generally, only a few cats bring home prey often, and these select cats should be identified in initial surveys and included in further studies. In New Zealand, until management programmes can target all predators in urban areas, domestic cats could stay out at night and inside during the day to help decrease the abundance of rodents at night and reduce the number of birds and lizards caught during the day.