It looks like we've finished the NSW/Victoria border. There are probably a couple of bits I'll go back to and touch up, but otherwise looking good.
So, what's next to complete the national/state borders? Ian. On 27 August 2012 18:10, Michael Krämer <[email protected]> wrote: > 2012/8/27 Ian Sergeant <[email protected]> >> >> The first real divergence I've come across is here, where the ABS >> border follows the northern anabranch, but it seems clear from AGRI >> that the southern watercourse is now the one with the most flow. I'd >> like to declare this land as part of NSW. >> >> >> http://agri.openstreetmap.org/?zoom=16&lat=-36.0233&lon=146.67105&layers=B00 > > > Sounds reasonable to me. > > In fact I also came across the first cut-offs over the weekend, an example > is [1]. But I found it rather difficult to decide for one state or the > other. According to [2] (page 2) the border does not necessarily change if > the river does: "The creation of a new channel after 1850 by sudden avulsion > will not alter the location of the state border. [...] The rule of gradual > and imperceptible erosion and accretion will apply." So I let Victoria win > there, even though I don't have any data from 1850 available.... > > Best regards, > Michael > ---------- > [1] > http://agri.openstreetmap.org/?zoom=15&lat=-34.66479&lon=142.50166&layers=B00 > [2] > http://www.dse.vic.gov.au/__data/assets/pdf_file/0004/104377/NSW-VIC_Border_Determination.pdf _______________________________________________ Talk-au mailing list [email protected] http://lists.openstreetmap.org/listinfo/talk-au
