On 03/10/2012 3:11 PM, Thomas de Groot wrote:
> On 3-10-2012 15:39, Stephen wrote:

>> real life
>> with our own eyes. Although in materials they tend to be very fine ones.
>
> True, but I can at least try to reduce a bit the worse effects. If not
> satisfying, I shall leave it as is.
>

It will be interesting to see how it develops.

>
> Good point, but remember that this harbour is open to the river, not to
> the sea. There may be sea water influxes from tides (feeble in the
> Mediterranean) or from sea wind, but then that would probably also
> become murky from the shallow bottom... and I don't know how well the
> sewage system of Gancaloon functions ;-)
>
> As a good comparison, how clear is the Nile water close to the
> Mediterranean? Well, watching through Google Earth, not too murky it
> seems... I shall have to decide how murky the Yann is.
>



Remember a harbour is designed to give ships protection so the water 
will be relatively calm. Any silt would drop out. And from memory, silt 
enriched rivers tend to be cloudier in the centre where the flow is 






-- 
Regards
     Stephen

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