[Talk-us] Best practices for coastline to Inland Bay / River transition

Christoph Hormann chris_hormann at gmx.de
Thu Jan 7 21:41:04 UTC 2016

On Thursday 07 January 2016, Elliott Plack wrote:
> What are the current accepts best practices for determining where to
> "cut off" the coastline and to begin a river or bay type feature? The
> wiki seems to be in disagreement about this, and I've read chatter
> about switching to ocean polygons.
> Let's take the mighty Potomac River. It is tidal from the mouth to
> points upstream from Washinton, DC, yet at some point it switches to
> waterway areas and relations.



Current placement at the Potomac is completely fine - i would see room 
for moving it both downstream to near the bridge north of Colonial 
Beach or upstream to Alexandria but no particular need for either.

I would strongly suggest keeping Chesapeake Bay mapped as coastline.  
While this is very shallow ecologically it has largely maritime 

Christoph Hormann

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