Changeset: 44279897
Mapping North Shore Beach 1. Simplifying tracing. Beach should follow high tide drift line. Coastline same. Admin boundary same? Beach morphology dynamic and nonsense to map beach shoreline in detail. Surveyed 2016.
Closed by stweb
Tags
created_by | iD 2.0.1 |
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host | https://www.openstreetmap.org/id |
imagery_used | LPI NSW Imagery;OpenStreetMap GPS traces;Local GPX |
locale | en-US |
Discussion
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Comment from TheSwavu
Yeap, constant problem everywhere you've got a river or coastline.
Apparently in OSM land the beach only goes down to the MHWMS.
Any boundary that's based on property boundaries will generally be referred to MHWM (which in OSM land is in the sea). But complicated by the fact that the property boundary is where the surveyor measured it and doesn't move until there is some legal reason to re-establish the boundary at which point there are a whole bunch of rules that determine where it has to moved to.
Lastly in NSW the council has control down to the low water mark (unless they have been gazetted other wise eg: only to the boundary of some DP and lot).
As a result we've tended to just import the boundaries from LPI and left them where they are.
Ways (14)
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