The Cryosphere
The Cryosphere
TC
Articles | Volume 11, issue 3
Articles | Volume 11, issue 3
https://doi.org/10.5194/tc-11-1333-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/tc-11-1333-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 11, issue 3
Research article
 | 
09 Jun 2017
Research article |  | 09 Jun 2017

Sonar gas flux estimation by bubble insonification: application to methane bubble flux from seep areas in the outer Laptev Sea

Ira Leifer, Denis Chernykh, Natalia Shakhova, and Igor Semiletov

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Short summary
Vast Arctic methane deposits may alter global climate and require remote sensing (RS) to map. Sonar has great promise, but quantitative inversion based on theory is challenged by multiple bubble acoustical scattering in plumes. We demonstrate use of a real-world in situ bubble plume calibration using a bubble model to correct for differences in the calibration and seep plumes. Spatial seep sonar maps were then used to improve understanding of subsurface geologic controls.
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Climate–carbon–cryosphere interactions in the...