Strangely - whilst searching for details of the burning down of
Corbridge Roman fort I found this:
The Water Supplies and Related Structures of Roman Britain Alfonso BURGERS
Thesis submitted for the degree of Doctor of Philosophy, University of
Leicester, August 1997
On 23/10/2015 11:16, John Wood wrote:
> This is all good and fine having a spring supplying the moat, but the
> level of the moat needs regulating otherwise the continual supply of
> water would flood the entire site.
> Perhaps what would be needed is some form of drainage channel, running
> downhill from the site to a safe outflow such as a river, lets say.
> The channel would need some form of containment, perhaps a dug channel
> or just manmade levees either side.
> So we need to consider looking for a structure that fulfills these
> requirements, leading away from the site. A fluvial channel, like a
> stream, with the characteristic erosional features along its bed that
> we would expect from similar natural features.
> One wonders of anyone has identified any structures that might satisfy
> this notion?