Modernising Historical Aerial Photography
Prior to the advent of satellite imagery in the 1970s, extensive use was made of aerial photography to systematically image and capture land information. As part of national mapping and survey campaigns run by its predecessors, Geoscience Australia (GA) is custodian of some 1.2 million aerial photos dating back to 1928. Through these campaigns every part of Australia and its external territories was imaged at some point and often repeatedly over the last 90 years, forming a unique and invaluable historical collection. Most importantly, they enable us to extend the record of surface land changes back an additional 50 years or more.
GA is progressively moving this collection from analogue to a modern digital data management framework. Discoverability and access to data are essential to realising the full potential of the collection, and associated flight line diagrams are critical in connecting physical and digitised material in the collection to an accurate location consistent with modern datums. The focus of digitisation has been on scanning film and storing individual frames as photo images. Both flight line diagrams are also being digitised and georeferenced, and information on the film is transcribed into a structured database, which will drive a future catalogue for open online access. Only a subset of the aerial photos have been digitised, based on preservation concerns and specific use-cases. GA also is prototyping a new processing workflow to value-add to the digitised collection by creating products that are readily consumable into geographic information systems and as web services. This work may lead to further investment in digitisation by demonstrating broader utility and continuing collaboration with other stakeholders such as the National Archives of Australia. This will be needed to complete the modernisation vision,
As with other historic data remediation, surprising finds have been unearthed, gaps in supporting information identified, and an untapped but largely recognised desire for the data. GA is investigating possible applications of citizen science to aid in the modernisation of this collection.
This presentation will look at the process undertaken, the type of data available, and will outline some examples of the data, and future use.
<b>ePoster is no longer available for access</b>
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Identification info
- Date (Creation)
- 2018-11-29T00:00:00
- Date (Publication)
- 2018-12-03T05:01:19
- Date (Revision)
- 2019-04-09T01:08:52
- Citation identifier
- Geoscience Australia Persistent Identifier/https://pid.geoscience.gov.au/dataset/ga/124126
- Cited responsible party
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Role Organisation / Individual Name Details Author Butrovski, D.
Author Pring, J.A.
- Purpose
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Digital kiosk presentation at the American Geophysical Union (AGU Fall 2018 meeting
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- Accepted
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Role Organisation / Individual Name Details Point of contact Butrovski, D.
Resource provider Environmental Geoscience Division
Point of contact Commonwealth of Australia (Geoscience Australia)
Voice
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- Imagery base maps earth cover
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Extent
))
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HVC_144649
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historical aerial photography
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historical aerial imagery
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Role Organisation / Individual Name Details Distributor Commonwealth of Australia (Geoscience Australia)
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Not supplied. eCat record updated 3/05/2023 to reflect that the ePoster is no longer available.
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Australian Government Security ClassificationSystem
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Geoscience Australia - short identifier for metadata record with uuid
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- Date info (Creation)
- 2025-05-08T22:20:43.918Z
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- 2018-05-04T03:37:56
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- 2025-05-08T22:21:03.32Z
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AU/NZS ISO 19115-1:2014
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ISO 19115-1:2014
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ISO 19115-3
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