[OSM-talk] Beaches

[David Groom]

> ----- Original Message ----- 
> From: "Tom Chance" <tom at acrewoods.net>
> To: <talk at openstreetmap.org>
> Sent: Thursday, September 13, 2007 10:26 AM
> Subject: Re: [OSM-talk] Beaches
>
>
> Ahoy,
>
> On Thursday 13 September 2007 10:04:06 Frederik Ramm wrote:
>> I just looked at a 1:250,000 scale OS map and found that they
>> usually draw a thin black coastline, and have the yellow(ish) beach
>> area on the sea side of that line; sometimes also to both sides of
>> that line. (Good examples: North Uist, Dornoch, Holy Island nr.
>> Berwick upon Tweed).
>>
>> Those of you having mapped beaches - how did you do it? If the
>> coastline is the "mean high water mark", then a the portion of the
>> beach that is nearly always accessible should be inside the
>> coastline, and the portion that is only visible at low tide should be
>> outside, right?
>
> In Criccieth recently I just had the coastline set at a rough
> walking-down-the-beach and going-on-local-knowledge average tidal mark. 
> The
> mapped beach starts from that coastline up to where the beach meets main
> land. Probably the wrong way to go but I was unsure as well :)

Thats the way I've been marking them too.

David

>
> Kind regards,
> Tom
>