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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