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Alvin is looking forward to learning about the technology used to help rebuild Christchurch. Image: LEARNZ.
The city of Christchurch from the Port Hills just after the February 2011 earthquake. How do you think the city has changed since this photo was taken? Image: LEARNZ.
Tuesday. Alvin reads about the rebuild plans for Central Christchurch. Image: LEARNZ.
Ambassadors share in the adventure and have their own webpage to keep their class informed. Sing up your ambassador now! Image: LEARNZ.
LEARNZ virtual field trips will connect you with real people, in real time, doing real jobs. Image: LEARNZ.
A damaged water supply pump station on Oxford Terrace. Image: SCIRT.
GIS - Geographic Information Systems can show more than one information set as layers on a map. Image: LINZ.
GPS is used by surveyors to give exact locations. Image: LINZ.
Tuesday. The view from the Port Hills as the sun sets over Christchurch. Why do you think early settlers decided to build here? Image: LEARNZ.
Trig stations or beacons like this one are used as reference points. These points are used by surveyors to determine the location of property boundaries. Image: LINZ.
SCIRT is the Stronger Christchurch Infrastructure Rebuild Team. This group is working together to rebuild services as quickly as possible in Christchurch. Image: SCIRT.
Shelley with ambassadors on the Expedition Challenge field trip. Shelley is the geography and social science teacher for LEARNZ. Image: LEARNZ.
With some streets flooded due to liquefaction storm water drains could not operate, making flooding worse. Image: Public Domain.
Surveyors use special tools to help them measure. In this photo an electronic theodolite with a laser (called a total station) on a tripod is being used to find the exact location of something. Image: LINZ.
The Canterbury earthquakes damaged around 300 kilometres of Christchurch\
An old map of Wellington shows land boundaries. Image: LINZ.
Wednesday. Alvin finds a survey reference mark which surveyors use to measure off. These marks are positioned throughout the country so people can always make accurate surveys. Image: LEARNZ.
A trailer with a water tank to provide water for people in St Albans who had no water following the earthquakes. Image: Ray Rob.
Within two hours of the February 22 earthquake in Christchurch, Eagle Technology Ltd had a Christchurch Earthquake Incident Viewer up and running on the internet. This showed the public important information overlaid on to a map. Image: Eagle Technology Ltd.
Car navigation systems use GPS to give directions. Image: LINZ.
Wednesday. The Greendale Fault runs under this road. Can you see how this road has changed from a flat straight road due to the 4 September  2010 Darfield earthquake? What type of fault is this? Image: LEARNZ.
Cadastral maps of Christchurch were used to show areas that could not be rebuilt on and were to become part of the red zone. These maps could be viewed online and property owners could find out which zone they were in. Image: CERA.
SCIRT works on a section of retaining wall on Fitzgerald Avenue alongside the Avon River in Christchurch. Image: SCIRT.
In some areas gutters backfilled with water as they became blocked with silt from liquefaction. Image: Public Domain.
This cadastral map of a subdivision shows the areas and dimensions of properties after it has been submitted to Land Information New Zealand. Image: LINZ.
Mark Quigley and a student from Canterbury University use GPS equipment to measure land movement near the Darfield fault. Image: LEARNZ.
Stage one of the Linwood to Bromley sewage treatment plant rebuild. Image: SCIRT.
An example of an old provincial map of Otago. Image: LINZ.
Wednesday. Alvin inspects a trig station at the top of Sugarloaf on the Port Hills. These stations are also used as reference points for surveying. Image: LEARNZ.
Inside the damaged Huntsbury water reservoir which emptied in 24 hours after cracking during the February earthquake. Image: Public Domain.
GPS devices are useful for activities such as tramping and climbing where it is important to know where you are. Image: LINZ.
Wednesday. This area of Avondale has slumped due to the earthquakes. Can you see the stop banks that have been built around the river? How do we know that this land has dropped? Image: LEARNZ.
Some property owners not only had their house destroyed by the earthquakes but their land boundaries moved as well. Image: LEARNZ.
Drilling by workers from SCIRT so that stone column piles can be placed to support a retaining wall along Fitzgerald Avenue. Image: SCIRT.
Some storm water drainage pipes were ripped apart at the joins by earthquake movement Image: Public Domain.
Creating a subdivision takes time and careful planning. This subdivision near Halswell in Christchurch will provide much needed housing. Image: LEARNZ.
A total station in use above an opencast coal mine. Surveying on a mine site helps to pin point where a resource is and if land movement is occurring due to mining. Image: Solid Energy.
Work on wastewater pipes on Pages Road near Brighton. Trenches are dug and a shield is placed in the trench to protect workers. The pipe running above the trench is draining water from the area. Image: SCIRT.
An old street map of Christchurch shows the central square and Avon River running through the city. Image: LINZ.
Thursday. Alvin explores some pipes which are ready to be dug into the ground at Wigram Skies, a new subdivsion in Christchurch. Image: LEARNZ.
Smart phones can use GPS technology to provide directions and locations. Image: LINZ.
Wednesday. Looking northwest across Christchurch from the Port Hills. How might you find out the height of the Port Hills? Image: LEARNZ.
This cadastral plan was produced by a surveyor and shows areas and dimensions of properties. Image: LINZ.
A subdivision is easier to develop on flat ground but the area needs to have stable ground. Developers must also meet all resource consent conditions to ensure the local environment and wildlife is not harmed. Image: LEARNZ.
Nic Donnelly a surveyor from LINZ uses GPS after the 2009 Fiordland earthquake to measure land movements. Image: LINZ.
Many people had to make their own temporary toilets after fresh water and wastewater systems were damaged during the earthquakes. Image: Ray Rob.
A map showing aftershocks in the Canterbury earthquakes sequence. When you compare this map with the old maps you can see how much maps have improved in accuracy and detail over the last century. Image: GNS Science.
Wednesday. Steve admires the view from Sugarloaf on the Port Hills. Why is this trig station here and what is it used for? Image: LEARNZ.
Creating a new subdivision may require changes to existing roads and other services. Image: LEARNZ.
Thursday. The Avon River in Avondale, Christchurch. What has been built around the river and why? Image: LEARNZ.
A bank has been planted with natives on the edge of a new subdivision near Rolleston in Christchurch. These banks will reduce the road noise for people living here. Image: LEARNZ.
Friday. Alvin visits SCIRT (The Stronger Christchurch Infrastructure Rebuild Team) to find out how they are working to fix services in Christchurch. Image: LEARNZ.
Thursday. Wigram Skies Subdivision in Christchurch. This subdivision will include 2000 sections. What do you think the large pipes are for? Image: LEARNZ.
Thursday. Houses being built in the Wigram Skies Subdivision. Can you see the white boundary pegs? What are these markers used for? Image: LEARNZ.
Friday. The Christchurch City Council Building in the centre of Christchurch. The council has been very busy since the Canterbury earthquakes; what specific work do you think the council has had to do since the quakes? Image: LEARNZ.
Friday. Work on underground services beneath Papanui Road in Merivale. SCIRT (the Stronger Christchurch Infrastructure Rebuild Team) has also been busy since it was set up to try and fix services as quickly as possible. Why do you think different companies were grouped together to form SCIRT? Image: LEARNZ.
Friday. The new plans for the city have been on display at the Christchurch City Council. What new facilities are included in these blueprints? Image: LEARNZ.
Audioconferences allow students to connect with experts in real time and in real places. Image: LEARNZ.
The famous Rakaia Salmon is hard to miss as you drive through Rakaia Township. Image: LEARNZ.
The foothills of the Southern Alps were covered in snow and were easy to see across the Canterbury Plains on such a clear day. Image: LEARNZ.
Traffic was backed up for miles at the Rakaia Bridge as an oversized truck slowly made its way across the bridge. Image: LEARNZ.
All the signs around Christchurch point to a city ready to rebuild itself. Image: LEARNZ.
Shipping containers protect pedestrians from unstable buildings in the centre of town. Image: LEARNZ.
Christchurch has become a city of cranes. Image: LEARNZ.
The container mall attracts tourists from far and wide. Image: LEARNZ.
The old railway station has seen more glamorous days. Image: LEARNZ.
Alvin checks out plans for the green area around the Avon River. Image: LEARNZ.
This historic building known as the Sign of the Takahe has survived the quakes but is no longer open to the public. Image: LEARNZ.
It was a spectacular day to be out exploring parts of Canterbury today. We enjoyed a clear view out to the foothills of the Southern Alps. Image: LEARNZ.
Nic Donnelly from LINZ showed us where the epicentre of the 2010 Darfield earthquake was near Charing Cross. Image: LEARNZ.
Nic and Steve stand alongside a fence that was straight before the earthquake. Image: LEARNZ.
Nic and Shelley talk to St Peter\

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