[talk-au] Flood prone areas

[John Smith]

On 6 January 2011 16:40, waldo000000 at gmail.com <waldo000000 at gmail.com> wrote:
> On Wed, Jan 5, 2011 at 10:10 PM, Craig Feuerherdt
> <craigfeuerherdt at gmail.com> wrote:
>>
>> Would it not be better to map the extent of the flood plain rather than
>> tag individual road segments?
>
> But within a flood plain, some roads may be prone to flooding while others
> may be protected (e.g. raised, with good drainage underneath, etc.). I would
> have thought that both tagging methods (plains vs roads) could be useful in
> different situations.

I guess this is where things like the NASA DEMs would come in handy...