Under-shelf ice video footage and hydrographic data from ROV transects at Drescher Inlet ...

Transects of a Remotely Operated Vehicle (ROV) providing under-shelf ice video footage and hydrographic data were carried out during ANT-Land 2015/2016 via Neumayer Station III. The campaign was conducted in liaison with the research expedition Filchner Ronne Outflow System Now (FROSN) of RV Polarst...

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Bibliographic Details
Main Authors: Owsianowski, Nils, Held, Christoph, Nachtsheim, Dominik A, Richter, Claudio, Steinmetz, Richard, Bornemann, Horst
Format: Article in Journal/Newspaper
Language:English
Published: PANGAEA 2018
Subjects:
Marine Mammal Tracking MMT
Neumayer
Neumayer Station
Sea ice
Online Access:https://dx.doi.org/10.1594/pangaea.892762
https://doi.pangaea.de/10.1594/PANGAEA.892762
Description
Summary:Transects of a Remotely Operated Vehicle (ROV) providing under-shelf ice video footage and hydrographic data were carried out during ANT-Land 2015/2016 via Neumayer Station III. The campaign was conducted in liaison with the research expedition Filchner Ronne Outflow System Now (FROSN) of RV Polarstern (PS96). The ROV deployment at the Drescher Inlet represents a follow-up study of seal investigations carried out during RV Polarstern's expedition PS82 at the Filchner Outflow System and at the Drescher Inlet in 2014. It also complements earlier investigations at these locations initiated in 1986 (PS65, PS48, PS34, PS20, PS17).The ROV was launched from sea ice within the Drescher Inlet. The establishment of an 1.5 to 1.5 m hole in the fast ice at -72.80279 (LAT) -19.23379 (LON) to allow the deployment of the ROV was by far the most time-consuming and physically exhausting effort. Opening of the 1.20 m thick sea ice close to a tidal crack and removing of a 6 m thick platelet ice layer beneath required more than ...

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