Gas? Plume-Like-Features
Detected by the EM302 Water-Column Imagery
CCGS Amundsen - Leg 3B ArcticNet - Imperial Oil September-October 2009
John E. Hughes Clarke, Ian W. Church, James Muggah and Reenu Toodesh
Ocean Mapping Group, University of New Brunswick

Line _0466 - Target A

 Ping # _04164 Centre Position: _70.59711 N _-135.73016 W
Water Column Gain offset (x_log_offset) = +20dB
Regional Location
still WCIM WCIM Pie Animations
Still Frame of best Cross-Section animation of  Cross Sections
3D rotating animation
Regional Location Pie Diagrams (Across Swath) of Target  Area
 360 deg rotation 3D animation
3.5 kHz section
Subbottom Depth range :
_40 to _140 m
SUN 045
 SUN 315
sun azimuth 045
 sun azimuth 315
BS Mosaic
Seismic (3.5 kHz)  Section
10m contours, 3000m long - looking 335T
 Close Up Bathymetry 3m pixel size (3000m x 3000m)
 Close Up Backscatter



Line _0587 - Target A

 Ping # _04867 Centre Position: _70.53112 N _-136.15501 W
Water Column Gain offset (x_log_offset) = +20dB
Regional Location
still WCIM WCIM Pie Animations
Still Frame of best Cross-Section animation of  Cross Sections
3D rotating animation
Regional Location Pie Diagrams (Across Swath) of Target  Area
 360 deg rotation 3D animation
3.5 kHz section
Subbottom Depth range :
_50 to _150 m
SUN 045
 SUN 315
sun azimuth 045
 sun azimuth 315
BS Mosaic
Seismic (3.5 kHz)  Section
10m contours, 3000m long - looking 335T
 Close Up Bathymetry 3m pixel size (3000m x 3000m)
 Close Up Backscatter



Line _0588 - Target A

 Ping # _00837 Centre Position: _70.51082 N _-136.25037 W
Water Column Gain offset (x_log_offset) = +20dB
Regional Location
still WCIM WCIM Pie Animations
Still Frame of best Cross-Section animation of  Cross Sections
3D rotating animation
Regional Location Pie Diagrams (Across Swath) of Target  Area
 360 deg rotation 3D animation
3.5 kHz section
Subbottom Depth range :
_50 to _150 m
SUN 045
 SUN 315
sun azimuth 045
 sun azimuth 315
BS Mosaic
Seismic (3.5 kHz)  Section
10m contours, 3000m long - looking 335T
 Close Up Bathymetry 3m pixel size (3000m x 3000m)
 Close Up Backscatter



Line _0588 - Target B

 Ping # _10531 Centre Position: _70.45606 N _-136.50849 W
Water Column Gain offset (x_log_offset) = +20dB
Regional Location
still WCIM WCIM Pie Animations
Still Frame of best Cross-Section animation of  Cross Sections
3D rotating animation
Regional Location Pie Diagrams (Across Swath) of Target  Area
 360 deg rotation 3D animation
3.5 kHz section
Subbottom Depth range :
_50 to _150 m
SUN 045
 SUN 315
sun azimuth 045
 sun azimuth 315
BS Mosaic
Seismic (3.5 kHz)  Section
10m contours, 3000m long - looking 335T
 Close Up Bathymetry 3m pixel size (3000m x 3000m)
 Close Up Backscatter






page developed on board by the OMG Leg 3B Team....

Line _0466 - Target A

 Ping # _04164 Centre Position: _70.59711 N _-135.73016 W
Water Column Gain offset (x_log_offset) = +20dB
Regional Location
still WCIM WCIM Pie Animations
Still Frame of best Cross-Section animation of  Cross Sections
3D rotating animation
Regional Location Pie Diagrams (Across Swath) of Target  Area
 360 deg rotation 3D animation
3.5 kHz section
Subbottom Depth range :
_40 to _140 m
SUN 045
 SUN 315
sun azimuth 045
 sun azimuth 315
BS Mosaic
Seismic (3.5 kHz)  Section
10m contours, 3000m long - looking 335T
 Close Up Bathymetry 3m pixel size (3000m x 3000m)
 Close Up Backscatter



Line _0587 - Target A

 Ping # _04867 Centre Position: _70.53112 N _-136.15501 W
Water Column Gain offset (x_log_offset) = +20dB
Regional Location
still WCIM WCIM Pie Animations
Still Frame of best Cross-Section animation of  Cross Sections
3D rotating animation
Regional Location Pie Diagrams (Across Swath) of Target  Area
 360 deg rotation 3D animation
3.5 kHz section
Subbottom Depth range :
_50 to _150 m
SUN 045
 SUN 315
sun azimuth 045
 sun azimuth 315
BS Mosaic
Seismic (3.5 kHz)  Section
10m contours, 3000m long - looking 335T
 Close Up Bathymetry 3m pixel size (3000m x 3000m)
 Close Up Backscatter



Line _0588 - Target A

 Ping # _00837 Centre Position: _70.51082 N _-136.25037 W
Water Column Gain offset (x_log_offset) = +20dB
Regional Location
still WCIM WCIM Pie Animations
Still Frame of best Cross-Section animation of  Cross Sections
3D rotating animation
Regional Location Pie Diagrams (Across Swath) of Target  Area
 360 deg rotation 3D animation
3.5 kHz section
Subbottom Depth range :
_50 to _150 m
SUN 045
 SUN 315
sun azimuth 045
 sun azimuth 315
BS Mosaic
Seismic (3.5 kHz)  Section
10m contours, 3000m long - looking 335T
 Close Up Bathymetry 3m pixel size (3000m x 3000m)
 Close Up Backscatter



Line _0588 - Target B

 Ping # _10531 Centre Position: _70.45606 N _-136.50849 W
Water Column Gain offset (x_log_offset) = +20dB
Regional Location
still WCIM WCIM Pie Animations
Still Frame of best Cross-Section animation of  Cross Sections
3D rotating animation
Regional Location Pie Diagrams (Across Swath) of Target  Area
 360 deg rotation 3D animation
3.5 kHz section
Subbottom Depth range :
_50 to _150 m
SUN 045
 SUN 315
sun azimuth 045
 sun azimuth 315
BS Mosaic
Seismic (3.5 kHz)  Section
10m contours, 3000m long - looking 335T
 Close Up Bathymetry 3m pixel size (3000m x 3000m)
 Close Up Backscatter