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TitleCCGS Hudson Expedition 2018042: GEM-2 Baffin marine survey activity report with preliminary results
LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorJauer, C DORCID logo
SourceGeological Survey of Canada, Open File 8542, 2019, 20 pages, Open Access logo Open Access
LinksExpedition Database - Base de données d'expédition
PublisherNatural Resources Canada
Documentopen file
Mediaon-line; digital
File formatpdf
ProvinceNorthern offshore region; Nunavut
NTS16K/03; 16K/04; 16K/05; 16K/06; 16K/11; 16K/12; 16K/13; 16K/14; 16L/01; 16L/08; 16L/09; 16L/16; 16M/01; 16M/08; 16N/03; 16N/04; 16N/05; 16N/06
AreaDavis Strait; Baffin Island; Cape Dyer
Lat/Long WENS -62.5000 -61.0000 67.3333 66.0000
Subjectsmarine geology; fossil fuels; surficial geology/geomorphology; geophysics; petroleum resources; petroleum occurrence; gas; methane; hydrocarbon potential; oil seeps; gas seeps; oil slicks; marine sediments; sedimentary basins; geophysical surveys; acoustic surveys, marine; side-scan sonar; bathymetry; grab samples; core samples; water analyses; temperature; salinity; photography; remote sensing; in-field instrumentation; equipment testing; sedimentary structures; pockmarks; scour marks; marine organisms; biota; unmanned aerial vehicles
Illustrationsphotographs; location maps; tables; profiles
ProgramGEM2: Geo-mapping for Energy and Minerals Baffin Marine Survey
Released2019 02 28
Summary(Plain Language Summary, not published)
The 2018 042 cruise of CCGS Hudson studied areas of satellite mapped oil slick features off Cape Dyer, Baffin Island. Water measurements at two of five locations show very high amounts of dissolved methane very near the seafloor. Sediment samples are currently being analysed to identify the origin of the methane in the sea water. Use of an unmanned aerial vehicle (UAV) from ship was successfully demonstrated but attempts to identify oils slicks with a standard video camera failed. High levels of dissolved methane near the seafloor are confirmed over an area of 30 km.

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