Oceanography The Official Magazine of
The Oceanography Society
Volume 31 Issue 02

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Volume 31, No. 2
Pages 174 - 181

Impacts of Ocean Warming on Acoustic Propagation Over Continental Shelf and Slope Regions

James F. Lynch Glen G. GawarkiewiczYing-Tsong LinTimothy F. DudaArthur E. Newhall
Article Abstract

Gradients of heat and salt affect the propagation of sound energy in the ocean. Anticipated changes in oceanic conditions will alter thermohaline conditions globally, thus altering sound propagation. In this context, we examine changes in shallow-​water propagation. Because these waters are close to the surface, they will be the earliest to change as the atmospheric state and radiative conditions change. We compare current and possible future propagation patterns near fronts and across fronts on continental shelves. Changes in sound pathways between the deep ocean and coastal regions are also examined, including an example from the Arctic Ocean.

Citation

Lynch, J.F., G.G. Gawarkiewicz, Y.-T. Lin, T.F. Duda, and A.E. Newhall. 2018. Impacts of ocean warming on acoustic propagation over continental shelf and slope regions. Oceanography 31(2):174–181, https://doi.org/10.5670/oceanog.2018.219.

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