Atmospheric and surface ocean temperatures in the Antarctic Peninsula region have increased by a few degrees Celsius over the last few decades, and they are the most rapid changes recorded in the Southern Hemisphere during this time period (Cook et al., 2005; Meredith and King, 2005). Associated with this ongoing warming are ice-sheet breakup, iceberg calving, and subsequent iceberg grounding that are accompanied by the release of acoustic energy into the Southern Ocean. Although much attention has been given to the increasing anthropogenic contributions to ocean noise, which may be as much as 12 dB over the last few decades (Hildebrand, 2009), the sounds created by ice breakup at the poles may represent an under­appreciated, yet significant, natural contribution to the ocean noise budget.

Dziak, R.P., M.J. Fowler, H. Matsumoto, D.R. Bohnenstiehl, M. Park, K. Warren, and W.S. Lee. 2013. Life and death sounds of Iceberg A53a. Oceanography 26(2):10–12, https://doi.org/10.5670/oceanog.2013.20.

Chapp, E., D.R. Bohnenstiehl, and M. Tolstoy. 2005. Sound-channel observations of ice-generated tremor in the Indian Ocean. Geochemistry Geophysics Geosystems 6, Q06003, https://doi.org/10.1029/2004GC000889.

Cook, A.J., A.J. Fox, D.G. Vaughan, and J.G. Ferrigno. 2005. Retreating glacier fronts on the Antarctic Peninsula over the past half-century. Science 308:541–544, https://doi.org/10.1126/science.1104235.

Hildebrand, J. 2009. Anthropogenic and natural sources of ambient noise in the ocean. Marine Ecology Progress Series 395:5–20, https://doi.org/10.3354/meps08353.

Jansen, D., M. Schodlok, and W. Rack. 2007. Basal melting of A-38B: A physical model constrained by satellite observations. Remote Sensing of Environment 111:195–203, https://doi.org/10.1016/j.rse.2007.03.022.

MacAyeal, D.R., E.A. Okal, R.C. Aster, and J.N. Bassis. 2008. Seismic and hydroacoustic tremor generated by colliding icebergs. Journal of Geophysical Research 113, F03011, https://doi.org/10.1029/2008JF001005.

Martin, S., R. Drucker, R. Aster, F. Davey, E. Okal, T. Scambos, and D. MacAyeal. 2010. Kinematic and seismic analysis of giant tabular iceberg breakup at Cape Adare, Antarctica. Journal of Geophysical Research 115, B06311, https://doi.org/10.1029/2009JB006700.

Matsumoto, H., R. Dziak, M. Park, T.-K. Lau, W.-S. Lee, D. Bohnenstiehl, J. Haxel, K. Stafford, and D. Mellinger. 2012. Sound of climate change: Anthropogenic impact to the world oceans. Poster presented at Scientific Committee Antarctic Research: Antarctic Science and Policy Advice in a Changing World, Session 6, July 16–19, 2012, Portland, OR.

Meredith, M.P., and J.C. King. 2005. Rapid climate change in the ocean west of the Antarctic Peninsula during the second half of the 20th century. Geophysical Research Letters 32, L19604, https://doi.org/10.1029/2005GL024042.

Muller, C., V. Schlindwein, A. Eckstaller, and H. Miller. 2005. Singing icebergs. Science 310:1,299, https://doi.org/10.1126/science.1117145.

Scambos, T.A., C. Hulbe, and M.A. Fahnestock. 2003. Climate-induced ice shelf disintegration in the Antarctic Peninsula. Pp. 79–92 in Antarctic Peninsula Climate Variability: Historical and Paleoenvironmental Perspectives. E. Domack, A. Leventer, A. Burnett, R. Bindschadler, P. Convey, and M. Kirby, eds, Antarctic Research Series, vol. 79, American Geophysical Union, Washington, DC, https://doi.org/10.1029/AR079p0079.

Talandier, J., O. Hyvernaud, E.A. Okal, and P.-F. Piserchia. 2002. Long range detection of hydroacoustic signals from large icebergs in the Ross Sea, Antarctica. Earth and Planetary Science Letters 203:519– 534, https://doi.org/10.1016/S0012-821X(02)00867-1.

Urick, R.J. 1975. Principles of Underwater Sound. Kingsport Press, 384 pp.

Warren, K. 2011. Underwater acoustic energy generated by icebergs in the Scotia Sea. M.S. Thesis, North Carolina State University, 100 pp, http://repository.lib.ncsu.edu/ir/handle/1840.16/7365?mode=full.

Winberry, J.P., S. Anandakrishnan, D.A. Wiens, and R.B. Alley. 2013. Nucleation and seismic tremor associated with the glacial earthquakes of Whillans Ice Stream, Antarctica. Geophysical Research Letters 40:312–315, https://doi.org/10.1002/grl.50130.

This is an open access article made available under the terms of the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/), which permits use, sharing, adaptation, distribution, and reproduction in any medium or format as long as users cite the materials appropriately, provide a link to the Creative Commons license, and indicate the changes that were made to the original content. Images, animations, videos, or other third-party material used in articles are included in the Creative Commons license unless indicated otherwise in a credit line to the material. If the material is not included in the article’s Creative Commons license, users will need to obtain permission directly from the license holder to reproduce the material.