Public Reports & Articles
Modelling of Underwater Noise for Pacific NorthWest LNG Marine Construction and Shipping Scenarios
December 2014 — British Columbia, Canada
Clients: Stantec, Pacific NorthWest LNG
Underwater noise modelling study o predict the expected noise emissions and zones of potential disturbance to marine fauna from construction and operation of Pacific NorthWest LNG’s proposed terminal near Prince Rupert, B.C. Results include maps of areas ensonified above thresholds recognized by the National Marine Fisheries Service (NMFS) and above non-regulatory avoidance criteria reported for Northern Resident killer whales. Five locations were modelled for scenarios including LNG carrier berthing with support tugs impact and vibratory pile driving. Pile driving scenarios were modelled with and without a bubble curtain to assess the effectiveness of this mitigation measure.
LNG Canada Export Terminal: Marine Resources Technical Data Report
October 2014 — British Columbia, Canada
Clients: Stantec, LNG Canada
Appendix F – LNG Canada Underwater Noise Studies: Field Measurements Report (p63)
Appendix G – Underwater Acoustic Modelling of Marine Terminal Construction and Vessel Activities (p135)
Acoustic measurement and modelling studies for Stantec as part of LNG Canada’s application for an Environmental Assessment Certificate for their LNG Canada Export Terminal project near Kitimat, BC, which was granted in June 2015. The measurement study comprised four underwater recorders deployed for four months and characterized the ambient noise conditions, vessel traffic, and presence of humpback, killer, and fin whales. The modelling study comprised eight scenarios to predict underwater noise emissions from terminal construction and vessels, including LNG carriers.