On Mon, 18 Feb 2019 at 20:44, Fernando Trebien <fernando.treb...@gmail.com> wrote:
> I think my problem in particular is determining when it is navigable > or not. It's like the difference between seasonal=* (predictable) and > intermittent=* (unpredictable), my case is the intermittent one. > > The local authority does not publish depth information about the > rivers, but publishes vessel draft. Historic depth data from river > monitoring stations show that some are navigable most of the time, but > can become shallow any month of the year, depending on the amount of > rainfall. Over the last 10 years, records of one river reveal depths > varying from ~0.5m to ~10m, and both minimum and maximum are reached > every month (but the pattern changes year-to-year due to irregular > rain). > With a range like that, that changes so frequently, I think you're stuck with =intermittent, maybe with a description= to say that water depth is constantly varying between 0.5 & 10m? ! Thanks Graeme
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