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Description In marine seismic one or an array of airguns is used to produce sound waves by releasing air under a pressure of 200 bar about every minute. The waves are reflected by the various sediment and rock layers in the ground. The echo is recorded by a streamer which is a some hundred to thousand meter long hose, filled with hundreds of hydrophones in oil, towed to the research vessel.
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Author Hannes Grobe, Alfred Wegener Institute
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20 June 2007

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Date/TimeThumbnailDimensionsUserComment
current21:28, 29 October 2007Thumbnail for version as of 21:28, 29 October 20072,306 × 1,616 (844 KB)Hgrobe{{Information |Description=to be done |Source=own work |Date=2007-08-31 |Author=~~~~ |Permission=Own work, share alike, attribution required (Creative Commons CC-BY-SA-2.5) |other_versions= }} {{self|cc-by-sa-2.5}}
21:24, 29 October 2007Thumbnail for version as of 21:24, 29 October 20072,306 × 1,616 (844 KB)Hgrobe{{Information |Description=to be done |Source=own work |Date=2007-08-31 |Author=~~~~ |Permission=Own work, share alike, attribution required (Creative Commons CC-BY-SA-2.5) |other_versions= }} {{self|cc-by-sa-2.5}}
06:53, 23 June 2007Thumbnail for version as of 06:53, 23 June 20071,151 × 806 (366 KB)Hgrobe{{Information |Description=to be defined |Source=own work |Date=2007-06-20 |Author=~~~~, Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany |Permission=Own work, share alike, attribution required (Creative Commons CC-BY-SA-2.5) |
18:57, 20 June 2007Thumbnail for version as of 18:57, 20 June 20071,151 × 806 (366 KB)Hgrobe{{Information |Description=to be defined |Source=own work |Date=2007-06-20 |Author=~~~~, Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany |Permission=Own work, share alike, attribution required (Creative Commons CC-BY-SA-2.5) |

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