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Marine seismic data acquisition (seismics) is a technique to generate and record seismic waves in the subsurface. By determining location and shape of seismic reflections below the seafloor, a structural map of the subsurface can be created. For this
you need a source for the seismic signal (Airguns) and receivers for recording the reflected (Hydrophone Streamer) or refracted (Ocean Bottom Seismometer) signals. |
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Role | Name |
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Engineer in Charge | Thorsten Eggers |
Data Scientist | Wilfried JokatKarsten Gohl |
Components
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The Marine Seismic System consits of onboard data control and acquisition computers and tape drives for data storage, a hydrophone streamer and/ Hydrophone Streamer (reflection seismic) or Ocean Bottom Seismometer (OBS; refraction seismic) and an airgun cluster (GI-guns or G-guns) connected via pressure pipes to the compressor container. as seismic source. Parts of airgun deployment rail are stored in container WCAU351219-7. |
Subdevices
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Position
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Data logging, storage and archiving
Logged parameters
Central geographical ship's position and time standard
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Raw data is temporarily stored to the data acquisition unit and written on tapes and backup tapes on a regular basis. |
Dship
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No data transfer to DShip. |
Data archiving on land
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Not implemented, responsibility with respective user. |