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Optical interferometry–based array of seafloor environmental sensors using a transoceanic submarine cable.

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Title: Optical interferometry–based array of seafloor environmental sensors using a transoceanic submarine cable.
Authors: Marra, G., Fairweather, D. M., Kamalov, V., Gaynor, P., Cantono, M., Mulholland, S., Baptie, B., Castellanos, J. C., Vagenas, G., Gaudron, J.-O., Kronjäger, J., Hill, I. R., Schioppo, M., Edreira, I. Barbeito, Burrows, K. A., Clivati, C., Calonico, D., Curtis, A.
Source: Science (pre-March 2025). 5/20/2022, Vol. 376 Issue 6595, p874-879. 6p. 4 Diagrams.
Subjects: Ocean bottom, Optical fibers, Telecommunication cables, Interferometry, Earthquakes
Abstract: Optical fiber-based sensing technology can drastically improve Earth observations by enabling the use of existing submarine communication cables as seafloor sensors. Previous interferometric and polarization-based techniques demonstrated environmental sensing over cable lengths up to 10,500 kilometers. However, measurements were limited to the integrated changes over the entire length of the cable. We demonstrate the detection of earthquakes and ocean signals on individual spans between repeaters of a 5860-kilometer-long transatlantic cable rather than the whole cable. By applying this technique to the existing undersea communication cables, which have a repeater-to-repeater span length of 45 to 90 kilometers, the largely unmonitored ocean floor could be instrumented with thousands of permanent real-time environmental sensors without changes to the underwater infrastructure. [ABSTRACT FROM AUTHOR]
Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Optical interferometry–based array of seafloor environmental sensors using a transoceanic submarine cable.
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  Data: <searchLink fieldCode="AR" term="%22Marra%2C+G%2E%22">Marra, G.</searchLink><br /><searchLink fieldCode="AR" term="%22Fairweather%2C+D%2E+M%2E%22">Fairweather, D. M.</searchLink><br /><searchLink fieldCode="AR" term="%22Kamalov%2C+V%2E%22">Kamalov, V.</searchLink><br /><searchLink fieldCode="AR" term="%22Gaynor%2C+P%2E%22">Gaynor, P.</searchLink><br /><searchLink fieldCode="AR" term="%22Cantono%2C+M%2E%22">Cantono, M.</searchLink><br /><searchLink fieldCode="AR" term="%22Mulholland%2C+S%2E%22">Mulholland, S.</searchLink><br /><searchLink fieldCode="AR" term="%22Baptie%2C+B%2E%22">Baptie, B.</searchLink><br /><searchLink fieldCode="AR" term="%22Castellanos%2C+J%2E+C%2E%22">Castellanos, J. C.</searchLink><br /><searchLink fieldCode="AR" term="%22Vagenas%2C+G%2E%22">Vagenas, G.</searchLink><br /><searchLink fieldCode="AR" term="%22Gaudron%2C+J%2E-O%2E%22">Gaudron, J.-O.</searchLink><br /><searchLink fieldCode="AR" term="%22Kronjäger%2C+J%2E%22">Kronjäger, J.</searchLink><br /><searchLink fieldCode="AR" term="%22Hill%2C+I%2E+R%2E%22">Hill, I. R.</searchLink><br /><searchLink fieldCode="AR" term="%22Schioppo%2C+M%2E%22">Schioppo, M.</searchLink><br /><searchLink fieldCode="AR" term="%22Edreira%2C+I%2E+Barbeito%22">Edreira, I. Barbeito</searchLink><br /><searchLink fieldCode="AR" term="%22Burrows%2C+K%2E+A%2E%22">Burrows, K. A.</searchLink><br /><searchLink fieldCode="AR" term="%22Clivati%2C+C%2E%22">Clivati, C.</searchLink><br /><searchLink fieldCode="AR" term="%22Calonico%2C+D%2E%22">Calonico, D.</searchLink><br /><searchLink fieldCode="AR" term="%22Curtis%2C+A%2E%22">Curtis, A.</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Science+%28pre-March+2025%29%22">Science (pre-March 2025)</searchLink>. 5/20/2022, Vol. 376 Issue 6595, p874-879. 6p. 4 Diagrams.
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  Data: <searchLink fieldCode="DE" term="%22Ocean+bottom%22">Ocean bottom</searchLink><br /><searchLink fieldCode="DE" term="%22Optical+fibers%22">Optical fibers</searchLink><br /><searchLink fieldCode="DE" term="%22Telecommunication+cables%22">Telecommunication cables</searchLink><br /><searchLink fieldCode="DE" term="%22Interferometry%22">Interferometry</searchLink><br /><searchLink fieldCode="DE" term="%22Earthquakes%22">Earthquakes</searchLink>
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  Data: Optical fiber-based sensing technology can drastically improve Earth observations by enabling the use of existing submarine communication cables as seafloor sensors. Previous interferometric and polarization-based techniques demonstrated environmental sensing over cable lengths up to 10,500 kilometers. However, measurements were limited to the integrated changes over the entire length of the cable. We demonstrate the detection of earthquakes and ocean signals on individual spans between repeaters of a 5860-kilometer-long transatlantic cable rather than the whole cable. By applying this technique to the existing undersea communication cables, which have a repeater-to-repeater span length of 45 to 90 kilometers, the largely unmonitored ocean floor could be instrumented with thousands of permanent real-time environmental sensors without changes to the underwater infrastructure. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=pbh&AN=156992967
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        Value: 10.1126/science.abo1939
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        Text: English
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        StartPage: 874
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        Type: general
      – SubjectFull: Optical fibers
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      – SubjectFull: Telecommunication cables
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