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Notice to Mariners

If you have any questions as to the nature of the installed infrastructure, or its potential impact on your boating and shipping activity, please do not hesitate to contact VENUS.

VENUS coastal network, part of the Ocean Networks Canada Observatory, is a research project to cable and instrument the coastal waters of BC in order to monitor, study, and better understand our coastal marine environment. The on-site infrastructure consists of a shore station, an armoured submarine cable, an observatory node, and connected observatory instrument systems. The shore station provides high voltage DC current to the node and instruments via a copper conductor, and Ethernet communications via optic fibres, both housed in an armoured marine telecommunications rated cable. The node and instrument systems are large multi-ton platforms, housing pressure cans and delicate scientific instruments. The cable corridor and instrument study area have been cordoned off for network use though regulatory permits. We appreciate your cooperation in avoiding this area. Although most gear is mounted on the bottom, there are plans to have mid-water column moorings connected to the network in the deeper reaches of the study area (red circle).

Notice to Mariners

The latest Notice to Mariners for our fixed marine assets is also available for download in PDF file format.

GPS

The most recent instrument and cable positions are available for GPS users by downloading the VENUS GPX file. If your GPS does not support the GPX format, you can use GPSBabel to translate this file into a format supported by your GPS.

Locations and Positions as of May 7, 2013

The diagrams to the left shows the approximate location and cables for each of the deployed instrument systems. For exact locations of each network component, please see the tables below. The approximate cable route is marked on the latest CHS charts. If you have concerns or anticipate that the installation, maintenance, or the infrastructure (Node, Cable, Instruments) will impact your operations, please do not hesitate to contact the Project Manager, Adrian Round, or the Associate Director – Research, Richard Dewey.

Saanich Inlet Array

Name Latitude Longitude Depth [m] Notice Description
Study Area 48° 39.184’ N (NW)

48° 39.184’ N (NE)

48° 38.967’ N (SE)
48° 38.967’ N (SW)

123° 29.350’ W (NW)

123° 29.017’ W (NE)
123° 29.017’ W (SE)

123° 29.350’ W (SW)

100 – 92m Chart 3441 The VENUS Permit identifies a 400m square study area around the Node for instruments and experiments. Instruments connected to the Node by large cables extend in various directions like spokes of a wheel.
Node 48° 39.0540’ N 123° 29.2027’ W 100m   This is the large (1000kg), black, trawl resistant power and communications hub, into which instrument systems are plugged. There are likely to be many cables leading to/from this Node.
Anode 48° 39.08’ N 123° 27.07’ W 5m   The Sea-water return Anode is located along the main cable route, 100m south of the mid-point of the IOS breakwater.

VIP

48° 39.0759’ N 123° 29.1921’ W 96m   This is a large (3m) white frame (850 kg) supporting numerous oceanographic instruments, including several CTDs, an ADCP (300kHz), and an upward looking sonar (200kHz). An orange oil-filled hose runs from here to the Node.
HD Pig Platform 48° 39.084’ N 123° 29.232’ W 92m   This is a large (2m) white frame (850 kg) supporting several oceanographic instruments inluding a CTD and a Web Camera.
CMap MicroSquid 48° 39.0543’ N 123° 29.2442’ W 100m   Large (4m) white frame
Autonomous Mooring 48° 41.30’ N 123° 30.02’ W 90m P0508 Small Aluminum frame

OTTB

Name Latitude Longitude Depth
[m]
OTTB 48° 38.950’ N 123° 28.545’ W 95m
Clump Weight at Buoy 48° 38.956’ N 123° 28.589’ W
Turn around Point 48° 39.022’ N 123° 29.136’ W
Mid Span Connection 48° 39.041’ N 123° 29.020 W

Strait of Georgia Array

Name Latitude Longitude Depth [m] Notice Description
Central Node 49° 2.422’ N 123° 25.5477’ W 300m Chart 3463 Large (2000kg), orange and black frame
VIP Central 49° 2.422’ N 123° 25.5642’ W 300m   Large (3m) white steel frame
BBL Experiment 49° 2.4047' N 123° 25.5904' W 300m   Small (2m) white steel frame
East Node 49° 2.5701' N 123° 19.0359' W 170m Chart 3463 Large orange and black frame.
VIP East 49° 2.5567' N 123° 19.0313' W 170m   Large (3m) white steel frame
Hydrophone
East
49° 2.6' N 123° 19.04' W 170m   Large (3m) yellow steel frame
East-ONCCEE Array 49° 2.5689' N 123° 19.0710' W 170m   Tall (3.5m) steel frame

Delta Dynamics Laboratory
Mini Node

49° 4.843' N 123° 20.4037' W 150m  

Small (2m) white tripod

Delta Dynamics Laboratory VIP 49° 5.0989' N 123° 19.7917' W 110m Chart 3463 Small (2m) white tripod
DDL-ONCCEE Array 49 4.8575' N 123 20.4201' W 150m   Tall (3.5m) steel frame
DDL-SLIP 49 4.8528' N 123.20.4391' W 150m   Small (2m) yellow frame


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