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Please note that the Gravity Corer can only be operated upon request. Request operations with the Gravity Corer to AWI-Geology and AWI-Logistics in sufficient time prior to the cruise. Operations of the system require experienced scientific staff on board. The system is not operated by the ship's crew. |
Summary
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The gravity corer allows researchers to sample and study sediment layers at the bottom of oceans. Gravity carries it to the bottom of the water body to recover sediment cores. |
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Responsible Persons
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The gravity corer is the standard coringsystem that consists of a head weight (1.5 t) connected to a variable number of 5 m long steel barrels (diameter 12 cm). Plastic tubes are inserted into the barrels and are attached to these by a core catcher fitted inside the end of the lowest barrel. This systemis lowered to the sea floor and penetrates by its own weight into the sediments. When being pulled out of the sediments the core catcher closes and secures the sediment column inside the tubes. On deck the core catcher is removed, the plastic liners pulled out the barrels and cut into 1 m sections. |
Position
No fix onboard location.
Data logging, storage and archiving
Logged parameters
No logged parameters.
Central geographical ship's position and time standard
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No time synchronising. |
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No online position. Station time and position taken from ship's log. |
Rawdata storage on board
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No data storage on board.
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Dship
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No data transfer to DShip. |
Data archiving on land
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Not implemented, responsibility with respective user. |
Documentation
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Documentation
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