[talk-au] Australia maritime boundaries - Geoscience Australia

Andrew Davidson theswavu at gmail.com
Sat Sep 1 03:48:09 UTC 2018

Yeap, maritime boundaries have been on my "todo list" for a while now. 
However, I was waiting for GA to release an updated dataset that will 
have the new boundaries arising from recent treaty negotiations with 
East Timor. I'd suggest waiting till then.

On 01/09/18 10:53, Lee Mason wrote:
> Except for the territorial boundary, Australia’s maritime boundaries in 
> OpenStreetMap are incomplete. I have found two potential data sources 
> for import from Geoscience Australia. Both are CC-BY-4.0 and I believe 
> the waiver for GSA covers these datasets, but I ask here to be 100% certain.
> Link to the waiver:
> https://wiki.openstreetmap.org/wiki/File:GeoscienceAustralia_CCBY_Waiver_EmailAcceptance.pdf
> Includes boundaries of the exclusive economic zone, contiguous zone and 
> territorial sea (already in map):
> https://data.gov.au/dataset/seas-and-submerged-lands-act-1973-australian-maritime-boundaries-2014a-geodatabase
> Includes coastal water boundaries:
> https://data.gov.au/dataset/coastal-waters-state-territory-powers-act-1980-australian-maritime-boundaries-2014a-geodatabase
> At present, state and territory admin borders in OSM (admin_level =4) 
> extend out to Australia’s maritime territorial border (admin_level=2). 
> It appears that the proper form would be to extend to coastal water 
> limits instead.
> Any import would be fairly straight forward, just needs to be carefully 
> integrated with the existing state/territory boundaries and the recently 
> imported marine parks of Commonwealth waters (which are within the EEZ, 
> but outside of coastal waters).
> Geoscience Australia has a useful list of maritime boundary definitions:
> http://www.ga.gov.au/scientific-topics/marine/jurisdiction/maritime-boundary-definitions
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