Numerical Modeling and Observations of Tsunami Waves in Alberni Inlet and Barkley Sound, British Columbia

2008 ◽  
pp. 2019-2044
Author(s):  
Isaac V. Fine ◽  
Josef Y. Cherniawsky ◽  
Alexander B. Rabinovich ◽  
Fred Stephenson
Keyword(s):  
British Columbia ◽  
Numerical Modeling ◽  
Tsunami Waves ◽  
Barkley Sound

Numerical Modeling and Observations of Tsunami Waves in Alberni Inlet and Barkley Sound, British Columbia

2008 ◽  
Vol 165 (11-12) ◽  
pp. 2019-2044 ◽  
Author(s):  
Isaac V. Fine ◽  
Josef Y. Cherniawsky ◽  
Alexander B. Rabinovich ◽  
Fred Stephenson
Keyword(s):  
British Columbia ◽  
Numerical Modeling ◽  
Tsunami Waves ◽  
Barkley Sound

scholarly journals Investigation of the Effects of Surrounding Media on the Distributed Acoustic Sensing of Helically-Wound Fiber-Optic Cable with Application to the New Afton Deposit, British Columbia

2020 ◽  
Author(s):  
Sepidehalsadat Hendi ◽  
Mostafa Gorjian ◽  
Gilles Bellefleur ◽  
Christopher D. Hawkes ◽  
Don White
Keyword(s):  
British Columbia ◽  
Numerical Modeling ◽  
Analytical Model ◽  
Field Data ◽  
Fiber Optic ◽  
Incident Angle ◽  
Acoustic Sensing ◽  
Distributed Acoustic Sensing ◽  
Straight Fiber

Abstract. Fiber optic sensing technology has recently become popular for oil and gas, mining, geotechnical engineering, and hydrogeology applications. With a successful track record in many applications, distributed acoustic sensing using straight fiber optic cables has become a method of choice for seismic studies. However, distributed acoustic sensing using straight fiber optic cables is not able to detect off-axial strain, hence a helically wound cable design was introduced to overcome this limitation. The helically wound cable field data in New Afton deposit showed that the quality of the data is tightly dependent on the incident angle (the angle between the ray and normal vector of the surface) and surrounding media. We introduce a new analytical two-dimensional approach to determine the dynamic strain of a helically wound cable in terms of incident angle in response to elastic plane waves propagating through multilayered media. The method can be used to quickly and efficiently assess the effects of various materials surrounding a helically wound cable. Results from the proposed analytical model are compared with results from numerical modeling obtained with COMSOL Multiphysics, for scenarios corresponding to a real installation of helically wound cable deployed underground at the New Afton mine in British Columbia, Canada. Results from the analytical model are consistent with numerical modeling results. Our modeling results demonstrate the effects of cement quality, and casing installment on the quality of the helically-wound cable response. Numerical modeling results and field data suggest that, even if reasonably effective coupling achieved, the soft nature of the rocks in these intervals would result in low fiber strains for the HWC. The proposed numerical modeling workflow would be applied for more complicated scenarios (e.g., non-linear material constitutive behaviour, and the effects of pore fluids). The results of this paper can be used as a guideline for analyzing the effect of surrounding media and incident angle on the response of helically wound cable, optimizing the installation of helically wound cable in various conditions, and to validate boundary conditions of 3-D numerical model built for analyzing complex scenarios.

First Records of the Striped Bass, Morone saxatilis, in British Columbia Waters

1972 ◽  
Vol 29 (3) ◽  
pp. 337-339 ◽  
Author(s):  
C. R. Forrester ◽  
Alex E. Peden ◽  
R. M. Wilson
Keyword(s):  
British Columbia ◽  
Striped Bass ◽  
Pacific Coast ◽  
Puget Sound ◽  
Morone Saxatilis ◽  
San Juan ◽  
Barkley Sound ◽  
The Pacific

Two specimens of the striped bass (Morone saxatilis) were taken in British Columbia waters in 1971. One was taken off Port San Juan (48°30′N, 124°30′W) and one in Barkley Sound (48°58′N, 125°03′W). Previous most northerly published record for the Pacific coast was from Puget Sound, Washington.

Microsatellite identification of individual sockeye salmon in Barkley Sound, British Columbia

2002 ◽  
Vol 61 (4) ◽  
pp. 1021-1032 ◽  
Author(s):  
T. D. Beacham ◽  
B. McIntosh ◽  
C. MacConnachie
Keyword(s):  
British Columbia ◽  
Sockeye Salmon ◽  
Barkley Sound

RECORDS OF DECAPOD CRUSTACEA FROM BRITISH COLUMBIA

1961 ◽  
Vol 39 (1) ◽  
pp. 59-62 ◽  
Author(s):  
T. H. Butler
Keyword(s):  
British Columbia ◽  
New Record ◽  
Barkley Sound ◽  
Decapod Crustacea

Axiopsis spinulicauda was taken in Holberg Inlet and Barkley Sound at 50 to 70 fathoms, and is a new record for British Columbia. The typically oceanic Eualus macrophthalmus was taken in Howe Sound at 60 to 75 fathoms and Lopholithodes foraminatus at localities north to Hecate Strait. Cancer gracilis was found in deeper water (74 to 78 fathoms) than heretofore and C. magister, at 58 to 98 fathoms.

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