[OSM-talk] fwd: Advice on watershed mapping idea

Corey Burger corey.burger at gmail.com
Fri Jul 20 17:10:37 BST 2007

On 7/20/07, Mike Liebhold <mnl at well.com> wrote:
> Amy Johnson wrote:
> > I'm looking for some input from people on an idea I have to develop a
> > website that catalogs watersheds.
> Wow!  what a great idea ( below)  An Open Watershed Map aggregator
> would be an extremely useful resource. As you mention below, lots of
> regional groups are working within watersheds as the natural  basic
> boundary for local ecologic restoration and management, rather than
> political boundaries which arbitrarily cross habitats and ecosystems.
> I wonder how much of watershed boundries could be generated
> algorithmically along topographic ridges and high points. If you don't
> mind, I am cross-post this to the geowanking list of GIS hackers, who
> will definitely have some great ideas on how to do this - technically.
> http://lists.burri.to/mailman/listinfo/geowanking
> Open Street Map,  is an already existing international cooperative
> mapping movement to create a free map of the world, that has focused, so
> far mostly on urban street maps, but is definitely a kindred group. many
> contributors might be interested in joining your project and sharing
> hard earned expertise in grassroots map making.
> http://www.openstreetmap.org/

I don't see any reason why this data couldn't live in the OSM db and
just be another layer. Some of the Canucks, including myself, have
begun to map some of Canada's extensive geography and adding basic
watershed information would merely be another tag or two.


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