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TitleCCGS Hudson Expedition 2018-041: high-resolution investigation of deep-water seabed seeps and landslides along the Scotian Slope, offshore Nova Scotia, May 26 - June 15, 2018
LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorCampbell, D CORCID logo; Normandeau, AORCID logo
SourceGeological Survey of Canada, Open File 8567, 2019, 66 pages, Open Access logo Open Access
LinksExpedition Database - Base de données d'expédition
PublisherNatural Resources Canada
Documentopen file
Mediaon-line; digital
File formatpdf
ProvinceEastern offshore region
AreaSable Island
Lat/Long WENS -64.0000 -56.0000 45.0000 42.0000
Subjectsmarine geology; surficial geology/geomorphology; geophysics; engineering geology; continental margins; continental slope; landslides; landslide deposits; mass wasting; marine sediments; sediment transport; submarine features; submarine fans; geophysical surveys; seismic surveys, marine; seismic profiles, marine; acoustic surveys, marine; sonar surveys; side-scan sonar; bathymetry; marine sediment cores; core samples; sedimentary structures; sediment properties; Scotian Slope; Laurentian Channel; Bedford Basin; Logan Canyon; Phanerozoic; Cenozoic; Quaternary
Illustrationstables; location maps; seismic profiles
ProgramGeoscience for New Energy Supply (GNES) Frontier basin analysis
Released2019 05 17
Summary(Plain Language Summary, not published)
The 2018041 CCGS Hudson expedition was a joint mission between the Geological Survey of Canada (Atlantic) and the Nova Scotia Department of Energy and Mines (NSDEM). Past expeditions (2015018 and 2016011-PH2) on the Scotian Slope led to evidence of cold seeps on the seafloor and the presence of gas hydrates. The objectives of expedition 2018041 were to target several sites on the Scotian Slope with the purpose of collecting high resolution seabed imagery using Autonomous Underwater Vehicle (AUV) and towed instruments (bathymetry, sub-bottom profiles, sidescan, video, photos) and samples (gravity cores, box cores) in order to better understand cold seep and sediment transport processes.

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