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Creating a subdivision takes time and careful planning. This subdivision at Wigram in Christchurch will provide much needed housing. Image: LEARNZ.
This cadastral map of the Ngai Tahu subdivision shows the areas and dimensions of properties. Image: Wigram Skies.
Alvin loves getting out and about on LEARNZ field trips. Image: LEARNZ.
This is a new subdivision under development in Christchurch. What geospatial information do you think might be needed to complete a subdivision. Image: LEARNZ.
One of the new developments in central Christchurch includes the new container mall in Cashel Street. Image: LEARNZ.
Alvin checks out the centre of Christchurch and the container mall. Image: LEARNZ.
Surveyors use special tools to help them measure. In this photo Lloyd McGarvey from LINZ uses an electronic theodolite with a laser (called a total station) on a tripod to measure changes in property boundaries after the earthquakes in Canterbury. Image: LEARNZ.
Fresh water use needed to be reduced after the earthquakes due to damage to the pipes supplying this water. Image: Christchurch City Council.
SCIRT (Stronger Christchurch Infrastructure Rebuild Team) has shown more than one information set on this map. Wastewater pipe damage is shown according to severity and roads have also been shown. Image: SCIRT.
Mark Quigley and a student from Canterbury University use GPS equipment to measure land movement near the Darfield fault. Image: LEARNZ.
Use of a nautical chart on a New Zealand vessel. Image: LINZ.
Monday. It was a wintery morning in Dunedin today. Snow on the Maungatua and dark clouds above the Taieri Plains near the airport show how stormy it was. How do you think geospatial information helps weather forecasters? 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: LEARNZ.
SCIRT is working on the horizontal infrastructure in Christchurch. Image: SCIRT.
Some old brick stormwater drains cracked or collapsed during the earthquakes and need replacing Image: SCIRT.
This is a Topo50 map made by LINZ which shows features that appear on the Earth\
The Canterbury earthquakes damaged around 300 kilometres of Christchurch\
An example of an old provincial map of Otago. Image: LINZ.
There are a number of vacant sites in the city at the moment. These sites are being transformed as gap fillers until construction of new buildings begins. Image: LEARNZ.
Alvin checks out a new building being constructed near the centre of Christchurch. Image: LEARNZ.
Jayden and Byron from SCIRT use GPS equipment to locate a storm water drain. Image: LEARNZ.
Temporary overland pipes needed to be used while underground pipes were repaired. Image: LEARNZ.
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.
Nic Donnelly from LINZ shows the GPS equipment used for finding exact locations during surveying work. Image: LEARNZ.
Large ships now use electronic navigational charts. Image: LINZ.
Monday. It is hard to recognise the centre of Christchurch now that so many buildings have been demolished. What well known buildings used to be in this area? Image: LEARNZ.
Some property owners not only had their house damaged by the earthquakes but their land boundaries moved as well. Image: LEARNZ.
SCIRT is the Stronger Christchurch Infrastructure Rebuild Team. This group is working together to rebuild services as quickly as possible in Christchurch. Image: LEARNZ.
A CCTV camera in use to check damage to drains. Image: SCIRT.
All maps have a legend which shows the symbols for certain features that are shown on the map. Image: LEARNZ.
An old map of Wellington shows land boundaries. Image: LINZ.
The blueprint plan for the central city has been developed to provide a more modern, green and accessible city. Image: CCDU.
Alvin gets stuck in the snow on the Port Hills above Christchurch. Image: LEARNZ.
Nic Donnelly a surveyor from LINZ uses GPS after the 2009 Fiordland earthquake to measure land movements. Image: LINZ.
SCIRT works on all pipes in an area so that the road only needs to be dug up once to fix these services. Image: SCIRT.
GPS devices are useful for activities such as tramping and climbing where it is important to know where you are. Image: LINZ.
Lyttelton Port was damaged during the Canterbury earthquakes. Hydrographic surveys were done to measure movement in the sea floor in Lyttelton Harbour. Image: LEARNZ.
Tuesday. The flood bank along the Avon River in New Brighton. What do you notice about the river level compared with the road level and what do you think has caused 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 repacing broken water services in Papanui Road. Image: LEARNZ.
Back in the control centre footage from the CCTV camera is analysed. Image: SCIRT.
Creating a new subdivision also means that new services must be installed. Image: LEARNZ.
Contour lines are shown at 20 metre intervals on Topo50 maps. Notice how the contour lines beneath the summit of Mount Rolleston are very close together indicating steep terrain. Image: LEARNZ.
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.
The blueprint can be viewed online or at the Christchurch City Council. 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 being done outside the damaged water supply pump station on Oxford Terrace. Image: SCIRT.
Car navigation systems use GPS to give directions. Image: LINZ.
Tuesday. This area of Bexley has been red zoned, meaning it cannot safely be built on. What has caused this land damage and how have these decisions about land been made? Image: LEARNZ.
This cadastral plan was produced by a surveyor and shows areas and dimensions of properties. Image: LINZ.
Drilling by workers from SCIRT so that stone column piles can be placed to support a retaining wall along Fitzgerald Avenue. Image: SCIRT.
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.
Many different people rely on topographic maps. Anyone venturing into the outdoors needs to take a topographic map with them to ensure they know where they are and where they are going. Image: LEARNZ.
Many people had to make their own temporary toilets after fresh water and wastewater systems were damaged during the earthquakes. Image: Public Domain.
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: Quake Live.
Alvin jumps aboard Jen\
Smart phones can use GPS technology to provide directions and locations. Image: LINZ.
Tuesday. The Ferrymead Bridge is being rebuilt. Why do you think this is such an important structure? 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.
Tuesday. This subdivision has been developed since the 2011 earthquakes. What do you think has been done to ensure the land is safe to build on? Image: LEARNZ.
Wednesday. The Land Information New Zealand (LINZ) office in central Christchurch. What kind of work does LINZ do? Image: LEARNZ.
Wednesday. This is a topographic map of Christchurch. What is the difference between a topographic map and a city map? Image: LEARNZ.
Wednesday. The view from above Dyers Pass on the Port Hills down to Lyttelton Harbour. Take a look at a topographic map to find out the height of Dyers Pass. Image: LEARNZ.
Thursday. Looking out over the Canterbury Plains from Dyers Pass. Why is it important to know the exact level of land even in relatively flat areas of Christchurch? Image: LEARNZ.
Thursday. The view from Sugarloaf down to Lyttelton Harbour. How do you think this area may have changed due to the earthquakes and how could you prove this? Image: LEARNZ.
Thursday. Looking south from Lyttelton Port. How was the Port affected by the earthquakes? Image: LEARNZ.
Audioconferences connect students with experts out in the field. Image: LEARNZ.
Shelley and Miles talk to students live during the Ocean Acidification field trip to Antarctica. Image: LEARNZ.
Students can ask their own questions during live adioconferences. Image: LEARNZ.
Maungatua, west of Dunedin airport had a sprinkling of fresh snow this morning. Maungatua means \
Dark storm clouds formed over the Taieri Plains near Dunedin. Image: LEARNZ.

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