PRINCE RUPERT Harbour

Harbour Circulation is Complex

See this page for summary of Biophysical work done for PR Harbour, from perspective of ‘potential fish farm sites’ = forget it.
Like land, the underwater area is series of hills and valleys with most features dating from end of last glaciation
Just as ships can only enter the harbour through a ‘narrow’ passage and have limited access to other areas (Tuck Inlet), so the underwater profiles are predictably very different for each ‘basin’

Harbour as Sewage disposal site

Is dilution the solution???

Let’s
Pretend

Sewage Plume

The above figure dates from a report given PR City Council in 1991. At that time the city was planning to extend another outfall. This was not done for among other reasons that it was not clear Outfall I (see fig below) was actually working as predicted. It still isn’t. But read my newspaper article from that era

PR Sewer Outfalls

OUTFALL	A	B	C	D,F	G	H	I	J	K	L
AREA	68	289	92	30	12		100	28	42	290
SANITARY	no	yes	no	yes	no	no	yes	no	no	Yes
DEPTH	-25	-25	0	-25	-25	0	-61	?	?	-25
YEAR	1959	1966	??	1959	1959	??	1970	WW2	WW2	1966
EXTEDED TO	B?	-126	B?	C?	?	??	-218	??	L??	-170

Information dates from July 1991 by Friends of the Harbour

PR's Harbour

Using a 'Biophysical' fish farm perspective explore complex system of basins and channels. Recycled journalism questioning 'Dilution as Solution' for PR sewage. With links to other articles this site

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