Cruise CAGE-18-4

Cruise CAGE18-4 with UiT’s research vessel R/V Helmer Hanssen was carried out to collect cross-disciplinary data for addressing the objectives of the Norwegian Centre of Excellence for Arctic Gas Hydrate, Environment and Climate, CAGE. The cruise was split into two legs with a port call in Longyearb...

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Bibliographic Details
Published in:CAGE – Centre for Arctic Gas Hydrate, Environment and Climate Report Series
Main Author: Bünz, Stefan
Format: Article in Journal/Newspaper
Language:English
Published: Septentrio Academic Publishing 2022
Subjects:
Vestnesa Ridge
Svyatogor Ridge
Leierdjupet Fault Complex
gas hydrates
fluid flow
gas seepage
P-Cable 3D
multi corer
tow cam
Arctic
Hanssen
Longyearbyen
Molloy
Molloy Ridge
Svalbard
Arctic Gas Hydrate, Environment and Climate
Svalbard margin
Online Access:https://septentrio.uit.no/index.php/cage/article/view/6850
https://doi.org/10.7557/cage.6850
Description
Summary:Cruise CAGE18-4 with UiT’s research vessel R/V Helmer Hanssen was carried out to collect cross-disciplinary data for addressing the objectives of the Norwegian Centre of Excellence for Arctic Gas Hydrate, Environment and Climate, CAGE. The cruise was split into two legs with a port call in Longyearbyen. Leg 1 targeted the Vestnesa Ridge on the western Svalbard margin and acquired 2D and 3D high-resolution P-Cable seismic data in close proximity to the Molloy Ridge in order to better understand tectonic impacts on fluid flow and gas hydrate accumulations. Leg 2 continued our investigations of the newly discovered gas seepage field in the Leierdjupet Fault complex (see CAGE17-3 cruise report) focusing on a better understanding of its complex leakage and source-to-sink plumbing system using seafloor photo and video imagery, water and sediment sampling, multibeam mapping and hydroacoustics. The cruise may be known as: CAGE18_4

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