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The Ocean Floor
Successful sea trials on HEINCKE-expedition
Mar 4, 2022
![The autonomous underwater vehicle IMGAM AUV was specifically developed for high-resolution mapping and subsequent sampling of gas seeps. IMGAM stands for "Intelligent monitoring of climate-damaging CO2/CH4 gas seeps in the ocean". Photo: MARUM - Center fo The autonomous underwater vehicle IMGAM AUV was specifically developed for high-resolution mapping and subsequent sampling of gas seeps. IMGAM stands for "Intelligent monitoring of climate-damaging CO2/CH4 gas seeps in the ocean". Photo: MARUM - Center fo](../../Binaries/Binary23426/IMG-9520-web.400.jpg)
The IMGAM AUV missions included safe launch and recovery using a custom-built rollable base, trimming, basic surveying at variable speeds and water depths, were carried out in Eckernförde Bight. During the nights between the AUV testing days, multibeam mapping and SIS Innomar sub-bottom profiling aimed at the identification of pockmarks and other seepage localities.
The heave-compensated winch, acquired to serve the MARUM H-ROV Ray6000, was tested in deeper waters close to the island of Bornholm, where a multi-sensor platform (MSP) with a bottom weight was lowered together with the glider module, the BlueROV and IMUs (Inertia Monitoring Systems) to assess winch performance.