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Please note that operations of the Multibeam Echo Sounder Hydrosweep DS3 requires experienced scientific staff on board and can be only operated upon request. The system is not operated by the ship's crew. Request operations with the Multibeam Echo Sounder Hydrosweep DS3 to AWI-Bathymetry and AWI-Logistics in sufficient time prior to the cruise and clarify the data transfer after the cruise. |
Summary
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The Multibeam Echo Sounder uses several frequencies to map the topography of the seafloor. It also provides information about the texture of the seafloor as well as the structure of the water body. |
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Transducer Frequency
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13-17 kHz |
Contacts
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Components
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The system consists of hull-mounted transducers, top side hardware and operation software. |
Subdevices
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Position
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Data logging, storage and archiving
Logged parameters
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Central geographical ship's position and time standard
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Time synchronising of the computers is regulated via Polarstern GPS. Geographical ship's position centered to HYDRINS position. Post-processing relates data to the transducer position. |
Rawdata storage on board
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The acquired data is recorded on the Hydrosweep operator PC and can be backed up to the ship's mass data storage. A reduced data set is also stored in DShip sytem. |
Metadata list |
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|| root directory | MDM || || directory name | CruiseNo \\ e.g. \\ ANT25_3 || || file name | HS3PHF_YYYY-MM-DDThhmmssZ_XXXXXXXX.asd.acf and YYYYMMDD_hhmmss_PST_Hydrins_1.s7k || |
Dship
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Reduced set of measurement data. |
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|| Device name | hydrosweep || || Parameters | depth \[m\] || |
Data archiving on land
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After consultation with the data scientist and AWI Logistics, the operator transfers the measurement data along with required meta data to AWI. Then, the data including meta data can be extracted from https://www.pangaea.de/ (for authorized users only). The reduced DShip data set can be extracted from https://dship.awi.de/. |
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|| File format(s) | *.asf, *.s7k || || Calibration certificates | NO || |
Documentation
Internal Documentation Survival Guide to use the new Hydrosweep DS3 on FS-Polarstern
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