Drones in local studies at Campbelltown Library by Andrew Allen
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Use of drones in local studies, presented at local studies meeting at Ashfield 30 October 2014.
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Drones in local studies at Campbelltown Library by Andrew Allen
- 2. What is a Drone? • A form of unmanned aircraft • Essentially a form of flying robot • Normally much smaller than anything that could be reasonably manned
- 3. Uses for Drones • Military • Search and Rescue • Surveillance • Traffic Monitoring • Weather Monitoring • Firefighting • Crop Monitoring • Archaeology • Building • Sporting Events
- 4. Uses for Local Studies • Photographing stages of new buildings or land developments • Then and now photographic comparisons • Identifying land uses from the past and for the future • Parades and marches • Accessing private or secured property • Allow views from the top of historical constructions
- 5. Barrow Bridge Chimney • http://www.youtube.com/watch?v=OgrJ5b8T NUQ
- 6. New Campbelltown Hospital Additions
- 7. Park Central
- 9. Benefits for Archaeologists • Identify sites that are located in remote areas that cannot be seen from the ground • Non-invasive • Collect video, photography and 3-D reconstructions of surrounding landscape • Crop, frost and soil marks can best be seen from an aerial viewpoint
- 10. Disadvantages for Archaeologists • The cost • Batteries that don’t last long • Dust can foul the equipment • Cameras can be inflexible • Crashes!
- 11. Drones and Archaeology in Peru • Used to map, monitor and safeguard Peru’s ancient treasures • Protect archaeological heritage from squatters, builders, miners and land traffickers • Provide birds eye view of ruins that can be converted into 3D images and highly detailed maps. • Mapping would take months and thousands of dollars to complete but now the same area can be done in 10 minutes
Editor's Notes
- Military- obviously much larger and different to our drone Surveillance- increasingly being used by police Firefighting- detecting new outbreaks and even dumping water on outbreaks Crop monitoring- identify yield problems and save time to monitoring on foot Building- safety reasons like getting on top of scaffolding and reduces the need for costly plant equipment
- At Campbelltown we have used the drone for photographing from the air, the various stages of the additions to the new Campbelltown Hospital. Similarly, we also took aerial shots of the new land development around the University of Western Sydney. These images will be fascinating for future generations as they will show how the land was used before the development. Similar to the first point. We intend to take shots of land and buildings that we have existing aerial photographs of and compare the two scenes. To show how the uses of the land have changed over time. An example might be land that was once forested that is now cleared for agriculture. We plan to use the drone for forthcoming street parades and special marches. For example the Fisher’s Ghost Parade next month and the Kangaroo March re-enactment in September 2015. These shots will give the viewer a different aspect of these marches or parades to look at. At certain times we want to photograph a particular building or buildings at a property but can’t get accessed to it for various reasons. For example a locked gate. A drone can take photographs this way (as it can be flown without permission in public areas this would be ok. Informing the owner would still be sought when possible). An example of this is the Barrow Bridge in England.
- The high viewpoint permits a better appreciation of fine details and their relationship within the wider site context. Archaeologists have known since the 1970s that aerial images of infrared wavelengths can be very useful for surveying areas covered by vegetation or soil. The only way to identify buried structures is by digging a large number of test pits, which is time consuming and requires a lot of effort. Use thermal imaging cameras to identify sites. The idea behind the technique is simple: Over the course of a day and a night, different parts of a landscape heat up and cool down at different rates. Buried stones, for example, tend to retain heat longer than dry soil around them does. That means that in the early morning, the stones will be much warmer than the surrounding earth. Those temperature differences are invisible to our eyes, but a thermal camera—which detects infrared light, otherwise known as heat—can easily record and reveal them. And if those buried stones happen to be the remains of ancient buildings, that camera has just taken a picture of a lost settlement without digging a single hole. But how do you get a thermal camera up in the air to take those pictures?
- Popular in Peru Speed up sluggish work Development pressures from the bad economy, so need to speed things up. A 5000 year old pyramid was razed by a construction firm in July a crucial but often slow first step before major excavation work can begin. Mapping typically involves tedious ground-level observations with pen and paper.