syn view 2013 Squamish Campaign
Imaging active sediment gravity flows

JD130 (May) and JD168-173  (17th to 22nd June) 2013
John E. Hughes Clarke
Ocean Mapping Group
Dept. Geodesy and Geomatics Engineering
University of New Brunswick
 

DATA COLLECTED IN MAY
one day only -  as a test (no M3's deployed)


.... JD130 day - Friday May 10th 2013 ....

OMG 2013 Squamish
JD129 to JD130 Changes (End-of-Day - End_of_Day)
that resulted in the specific flows recognized below.
difference anim
before
 after


JD130 - Friday June 18th 2013
28 kHz
all 28 kHz
95 kHz
all 95 kHz
200 kHz
all 200

OMG 2013 Squamish
Event JD130_A
Optical Backscatter
Profiles
mvp
M3 - forward looking
plan anim
M3 downward looking
section anim
link to M3 data.
28 kHz Vertical Profile
28 kHz
95 kHz Vertical Profile
em710 95 kHz
200 kHz Vertical Profile
200 kHz
95 kHz  Across Channel Section
710 anim
Optical Backscatter  : Time Series Section - (greyscale)
mvp VV
Optical Backscatter  : Time Series Section - (colourscale)
mvp VV
ADCP Intensity
adcp bs
ADCP Velocities
adcp mag
Comments: without M3 - cant really see which talweg involved. S


OMG 2013 Squamish
Event JD130_B
Optical Backscatter
Profiles
mvp
M3 - forward looking
plan anim
M3 downward looking
section anim
link to M3 data.
28 kHz Vertical Profile
28 kHz
95 kHz Vertical Profile
em710 95 kHz
200 kHz Vertical Profile
200 kHz
95 kHz  Across Channel Section
710 anim
Optical Backscatter  : Time Series Section - (greyscale)
mvp VV
Optical Backscatter  : Time Series Section - (colourscale)
mvp VV
ADCP Intensity
adcp bs
ADCP Velocities
adcp mag
Comments: without M3 - cant really see which talweg involved. S


OMG 2013 Squamish
Event JD130_C
Optical Backscatter
Profiles
mvp
M3 - forward looking
plan anim
M3 downward looking
section anim
link to M3 data.
28 kHz Vertical Profile
28 kHz
95 kHz Vertical Profile
em710 95 kHz
200 kHz Vertical Profile
200 kHz
95 kHz  Across Channel Section
710 anim
Optical Backscatter  : Time Series Section - (greyscale)
mvp VV
Optical Backscatter  : Time Series Section - (colourscale)
mvp VV
ADCP Intensity
adcp bs
ADCP Velocities
adcp mag
Comments: without M3 - cant really see which talweg involved. S


OMG 2013 Squamish



DATA COLLECTED IN JUNE
  2 days testing (167-168) - no events seen...
 5 operational days (169-173) with M3's deployed

Suspended 1200 kHz ADCP - hours around low water...
ADCP Volume Scattering Strength
ADCP Velocities
bs JD169
 tan
bs
 JD170
 tan
JD171.....
 JD171
bs
 JD172
 tan

JD173



.... JD169 Tuesday - June 18th 2013 ....

OMG 2013 Squamish
JD168 to JD169 Changes (End-of-Day - End_of_Day)
that resulted in the specific flows recognized below.
difference anim
before
 after


JD169 - Tuesday June 18th 2013
28 kHz
all 28 kHz
95 kHz
all 95 kHz
200 kHz
all 200

OMG 2013 Squamish
Event JD169_A
Optical Backscatter
Profiles
mvp
M3 - forward looking
plan anim
M3 downward looking
section anim
link to M3 data.
28 kHz Vertical Profile
28 kHz
95 kHz Vertical Profile
em710 95 kHz
200 kHz Vertical Profile
200 kHz
95 kHz  Across Channel Section
710 anim
Optical Backscatter  : Time Series Section - (greyscale)
mvp VV
Optical Backscatter  : Time Series Section - (colourscale)
mvp VV
ADCP Intensity
adcp bs
ADCP Velocities
adcp mag
Comments: A slow event in just the eastern talweg -EM710 x_log_offset gain too low S


OMG 2013 Squamish
Event JD169_B
Optical Backscatter
Profiles
mvp
M3 - forward looking
plan anim
M3 downward looking
section anim
link to M3 data.
28 kHz Vertical Profile
28 kHz
95 kHz Vertical Profile
em710 95 kHz
200 kHz Vertical Profile
200 kHz
95 kHz  Across Channel Section
710 anim
Optical Backscatter  : Time Series Section - (greyscale)
mvp VV
Optical Backscatter  : Time Series Section - (colourscale)
mvp VV
ADCP Intensity
adcp bs
ADCP Velocities
adcp mag
Comments: A fast event in just the eastern talweg - EM710 x_log_offset gain adjusted during passage S


OMG 2013 Squamish
Event JD169_C
Optical Backscatter
Profiles
mvp
M3 - forward looking
plan anim
M3 downward looking
section anim
link to M3 data.
28 kHz Vertical Profile
28 kHz
95 kHz Vertical Profile
em710 95 kHz
200 kHz Vertical Profile
200 kHz
95 kHz  Across Channel Section
710 anim
Optical Backscatter  : Time Series Section - (greyscale)
mvp VV
Optical Backscatter  : Time Series Section - (colourscale)
mvp VV
ADCP Intensity
adcp bs
ADCP Velocities
adcp mag
Comments: occured after the M3 iand MVP had been recovered S


OMG 2013 Squamish
Event JD169_D
Optical Backscatter
Profiles
mvp
M3 - forward looking
plan anim
M3 downward looking
section anim
link to M3 data.
28 kHz Vertical Profile
28 kHz
95 kHz Vertical Profile
em710 95 kHz
200 kHz Vertical Profile
200 kHz
95 kHz  Across Channel Section
710 anim
Optical Backscatter  : Time Series Section - (greyscale)
mvp VV
Optical Backscatter  : Time Series Section - (colourscale)
mvp VV
ADCP Intensity
adcp bs
ADCP Velocities
adcp mag
Comments: Ditto for now.... S



.... JD170 Wednesday - June 19th 2013 ....

OMG 2013 Squamish
JD169 to JD170 Changes (End-of-Day - End_of_Day)
that resulted in the specific flows recognized below.
difference anim
before
 after


JD170 - Wednesday June 18th 2013
28 kHz
all 28 kHz
95 kHz
all 95 kHz
200 kHz
all 200

OMG 2013 Squamish
Event JD170_C
Optical Backscatter
Profiles
mvp
M3 - forward looking
plan anim
M3 downward looking
section anim
link to M3 data.
28 kHz Vertical Profile
28 kHz
95 kHz Vertical Profile
em710 95 kHz
200 kHz Vertical Profile
200 kHz
95 kHz  Across Channel Section
710 anim
Optical Backscatter  : Time Series Section - (greyscale)
mvp VV
Optical Backscatter  : Time Series Section - (colourscale)
mvp VV
ADCP Intensity
adcp bs
ADCP Velocities
adcp mag
Comments: A slow event in the middle talweg, followed by a pair of fast events in the middle and eastern talwegs S



.... JD171 Thursday - June 20th 2013 ....

OMG 2013 Squamish
JD170 to JD171 Changes (End-of-Day - End_of_Day)
that resulted in the specific flows recognized below.
difference anim
before
 after


JD171 - Thursday June 18th 2013
28 kHz
all 28 kHz
95 kHz
all 95 kHz
200 kHz
all 200

OMG 2013 Squamish
Event JD171_A
Optical Backscatter
Profiles
mvp
M3 - forward looking
plan anim
M3 downward looking
section anim
link to M3 data.
28 kHz Vertical Profile
28 kHz
95 kHz Vertical Profile
em710 95 kHz
200 kHz Vertical Profile
200 kHz
95 kHz  Across Channel Section
710 anim
Optical Backscatter  : Time Series Section - (greyscale)
mvp VV
Optical Backscatter  : Time Series Section - (colourscale)
mvp VV
ADCP Intensity
adcp bs
ADCP Velocities
adcp mag
Comments: Extremely weak event - havent processed M3 yet S



.... JD172 Friday - June 21st 2013 ....

OMG 2013 Squamish
JD171 to JD172 Changes (End-of-Day - End_of_Day)
that resulted in the specific flows recognized below.
difference anim
before
 after


JD172 - Friday June 18th 2013
28 kHz
all 28 kHz
95 kHz
all 95 kHz
200 kHz
all 200

OMG 2013 Squamish
Event JD172_A
Optical Backscatter
Profiles
mvp
M3 - forward looking
plan anim
M3 downward looking
section anim
link to M3 data.
28 kHz Vertical Profile
28 kHz
95 kHz Vertical Profile
em710 95 kHz
200 kHz Vertical Profile
200 kHz
95 kHz  Across Channel Section
710 anim
Optical Backscatter  : Time Series Section - (greyscale)
mvp VV
Optical Backscatter  : Time Series Section - (colourscale)
mvp VV
ADCP Intensity
adcp bs
ADCP Velocities
adcp mag
Comments: A preceding event S


OMG 2013 Squamish
Event JD172_B
Optical Backscatter
Profiles
mvp
M3 - forward looking
plan anim
M3 downward looking
section anim
link to M3 data.
28 kHz Vertical Profile
28 kHz
95 kHz Vertical Profile
em710 95 kHz
200 kHz Vertical Profile
200 kHz
95 kHz  Across Channel Section
710 anim
Optical Backscatter  : Time Series Section - (greyscale)
mvp VV
Optical Backscatter  : Time Series Section - (colourscale)
mvp VV
ADCP Intensity
adcp bs
ADCP Velocities
adcp mag
Comments: The first of two events that show loss of penetration and the development of a hydraulic jumpS


OMG 2013 Squamish
Event JD172_C
Optical Backscatter
Profiles
mvp
M3 - forward looking
plan anim
M3 downward looking
section anim
link to M3 data.
28 kHz Vertical Profile
28 kHz
95 kHz Vertical Profile
em710 95 kHz
200 kHz Vertical Profile
200 kHz
95 kHz  Across Channel Section
710 anim
Optical Backscatter  : Time Series Section - (greyscale)
mvp VV
Optical Backscatter  : Time Series Section - (colourscale)
mvp VV
ADCP Intensity
adcp bs
ADCP Velocities
adcp mag
Comments: The second, and most powerful, of the two events that show loss of penetration and the development of a hydraulic jumpS


OMG 2013 Squamish
Event JD172_D
Optical Backscatter
Profiles
mvp
M3 - forward looking
plan anim
M3 downward looking
section anim
link to M3 data.
28 kHz Vertical Profile
28 kHz
95 kHz Vertical Profile
em710 95 kHz
200 kHz Vertical Profile
200 kHz
95 kHz  Across Channel Section
710 anim
Optical Backscatter  : Time Series Section - (greyscale)
mvp VV
Optical Backscatter  : Time Series Section - (colourscale)
mvp VV
ADCP Intensity
adcp bs
ADCP Velocities
adcp mag
Comments: A western talweg event that we just see the side of - note up valley flow preceeding S


OMG 2013 Squamish
Event JD172_E
Optical Backscatter
Profiles
mvp
M3 - forward looking
plan anim
M3 downward looking
section anim
link to M3 data.
28 kHz Vertical Profile
28 kHz
95 kHz Vertical Profile
em710 95 kHz
200 kHz Vertical Profile
200 kHz
95 kHz  Across Channel Section
710 anim
Optical Backscatter  : Time Series Section - (greyscale)
mvp VV
Optical Backscatter  : Time Series Section - (colourscale)
mvp VV
ADCP Intensity
adcp bs
ADCP Velocities
adcp mag
Comments: two closely spaced flow that almost coalesce S


OMG 2013 Squamish
Event JD172_F
Optical Backscatter
Profiles
mvp
M3 - forward looking
plan anim
M3 downward looking
section anim
link to M3 data.
28 kHz Vertical Profile
28 kHz
95 kHz Vertical Profile
em710 95 kHz
200 kHz Vertical Profile
200 kHz
95 kHz  Across Channel Section
710 anim
Optical Backscatter  : Time Series Section - (greyscale)
mvp VV
Optical Backscatter  : Time Series Section - (colourscale)
mvp VV
ADCP Intensity
adcp bs
ADCP Velocities
adcp mag
Comments: A decelerating eastern talweg flow followed by a weaker western talweg flow S


OMG 2013 Squamish
Event JD172_G
Optical Backscatter
Profiles
mvp
M3 - forward looking
plan anim
M3 downward looking
section anim
link to M3 data.
28 kHz Vertical Profile
28 kHz
95 kHz Vertical Profile
em710 95 kHz
200 kHz Vertical Profile
200 kHz
95 kHz  Across Channel Section
710 anim
Optical Backscatter  : Time Series Section - (greyscale)
mvp VV
Optical Backscatter  : Time Series Section - (colourscale)
mvp VV
ADCP Intensity
adcp bs
ADCP Velocities
adcp mag
Comments: A particularily rapidly decelerating flow. S



.... JD173 Saturday - June 22nd 2013 ....

OMG 2013 Squamish
JD172 to JD173 Changes (End-of-Day - End_of_Day)
that resulted in the specific flows recognized below.
difference anim
before
 after


JD173 - Saturday June 18th 2013
28 kHz
all 28 kHz
95 kHz
all 95 kHz
200 kHz
all 200

OMG 2013 Squamish
Event JD173_A
Optical Backscatter
Profiles
mvp
M3 - forward looking
plan anim
M3 downward looking
section anim
link to M3 data.
28 kHz Vertical Profile
28 kHz
95 kHz Vertical Profile
em710 95 kHz
200 kHz Vertical Profile
200 kHz
95 kHz  Across Channel Section
710 anim
Optical Backscatter  : Time Series Section - (greyscale)
mvp VV
Optical Backscatter  : Time Series Section - (colourscale)
mvp VV
ADCP Intensity
adcp bs
ADCP Velocities
adcp mag
Comments: Another decelerating flow S


OMG 2013 Squamish
Event JD173_B
Optical Backscatter
Profiles
mvp
M3 - forward looking
plan anim
M3 downward looking
section anim
link to M3 data.
28 kHz Vertical Profile
28 kHz
95 kHz Vertical Profile
em710 95 kHz
200 kHz Vertical Profile
200 kHz
95 kHz  Across Channel Section
710 anim
Optical Backscatter  : Time Series Section - (greyscale)
mvp VV
Optical Backscatter  : Time Series Section - (colourscale)
mvp VV
ADCP Intensity
adcp bs
ADCP Velocities
adcp mag
Comments: an extremely weak flow S


OMG 2013 Squamish
Event JD173_C
Optical Backscatter
Profiles
mvp
M3 - forward looking
plan anim
M3 downward looking
section anim
link to M3 data.
28 kHz Vertical Profile
28 kHz
95 kHz Vertical Profile
em710 95 kHz
200 kHz Vertical Profile
200 kHz
95 kHz  Across Channel Section
710 anim
Optical Backscatter  : Time Series Section - (greyscale)
mvp VV
Optical Backscatter  : Time Series Section - (colourscale)
mvp VV
ADCP Intensity
adcp bs
ADCP Velocities
adcp mag
Comments: Yet another dying flow (pair) S


OMG 2013 Squamish
Event JD173_D
Optical Backscatter
Profiles
mvp
M3 - forward looking
plan anim
M3 downward looking
section anim
link to M3 data.
28 kHz Vertical Profile
28 kHz
95 kHz Vertical Profile
em710 95 kHz
200 kHz Vertical Profile
200 kHz
95 kHz  Across Channel Section
710 anim
Optical Backscatter  : Time Series Section - (greyscale)
mvp VV
Optical Backscatter  : Time Series Section - (colourscale)
mvp VV
ADCP Intensity
adcp bs
ADCP Velocities
adcp mag
Comments: M3 not processed yet .. S


OMG 2013 Squamish
Event JD173_E
Optical Backscatter
Profiles
mvp
M3 - forward looking
plan anim
M3 downward looking
section anim
link to M3 data.
28 kHz Vertical Profile
28 kHz
95 kHz Vertical Profile
em710 95 kHz
200 kHz Vertical Profile
200 kHz
95 kHz  Across Channel Section
710 anim
Optical Backscatter  : Time Series Section - (greyscale)
mvp VV
Optical Backscatter  : Time Series Section - (colourscale)
mvp VV
ADCP Intensity
adcp bs
ADCP Velocities
adcp mag
Comments: M3 not processed yet S



page generated by: JEHC September 2013