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UBC Theses and Dissertations
Meteorological influences on sea surface temperatures in Queen Charlotte Sound Faucher, Manon
Abstract
Short-term variations of sea surface temperatures (SST) over Queen Charlotte Sound have been poorly understood, mainly due to the lack of data, and therefore hardly predictable. A potentially important consequence of SST variations is the choice of salmon homeward migratory route, which has a significant impact on commercial fisheries. Until recently, predictions of fish migration routes have been made by using SST data at Kains Island, one of the lighthouse stations at the northern end of Vancouver Island. Since the early nineties, AES buoy stations have provided a new set of hourly SST in offshore waters, which may be a better representation of the fish marine environment. This thesis is using visual inspection, statistical analysis and AVHRR satellite imagery to show that the SST at Kains Island do not represent those over the main portion of the Queen Charlotte Sound, but only the SST within 20 km to 30 km from the coast. The SST at the buoy 46207 gives a better representation of the area. Furthermore, the most significant SST variations are caused by upwelling associated with an offshore high pressure system and a lee trough along the west coast of Vancouver Island.
Item Metadata
Title |
Meteorological influences on sea surface temperatures in Queen Charlotte Sound
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Creator | |
Publisher |
University of British Columbia
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Date Issued |
1996
|
Description |
Short-term variations of sea surface temperatures (SST) over Queen Charlotte
Sound have been poorly understood, mainly due to the lack of data, and therefore
hardly predictable. A potentially important consequence of SST variations is the
choice of salmon homeward migratory route, which has a significant impact on
commercial fisheries. Until recently, predictions of fish migration routes have been
made by using SST data at Kains Island, one of the lighthouse stations at the
northern end of Vancouver Island. Since the early nineties, AES buoy stations have
provided a new set of hourly SST in offshore waters, which may be a better
representation of the fish marine environment. This thesis is using visual
inspection, statistical analysis and AVHRR satellite imagery to show that the SST at
Kains Island do not represent those over the main portion of the Queen Charlotte
Sound, but only the SST within 20 km to 30 km from the coast. The SST at the buoy
46207 gives a better representation of the area. Furthermore, the most significant
SST variations are caused by upwelling associated with an offshore high pressure
system and a lee trough along the west coast of Vancouver Island.
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Extent |
15246025 bytes
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Genre | |
Type | |
File Format |
application/pdf
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Language |
eng
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Date Available |
2009-03-13
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Provider |
Vancouver : University of British Columbia Library
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Rights |
For non-commercial purposes only, such as research, private study and education. Additional conditions apply, see Terms of Use https://open.library.ubc.ca/terms_of_use.
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DOI |
10.14288/1.0099199
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URI | |
Degree | |
Program | |
Affiliation | |
Degree Grantor |
University of British Columbia
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Graduation Date |
1996-11
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Campus | |
Scholarly Level |
Graduate
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Aggregated Source Repository |
DSpace
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Item Media
Item Citations and Data
Rights
For non-commercial purposes only, such as research, private study and education. Additional conditions apply, see Terms of Use https://open.library.ubc.ca/terms_of_use.