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. 2018 May 14;376(2122):20170176. doi: 10.1098/rsta.2017.0176

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© 2018 The Authors.

Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 1. — Monitoring sea ice and iceberg activity in West Antarctica. (a) Monitoring sites, using automated cameras (black circles) and manual observations (white circle), of sea-ice extent in time and space. Monitoring sites of both sea-ice extent and annual iceberg scouring (red circles) at Rothera (bottom red circle) and Carlini (top red circle) [9,21]. (b) Relationship between duration of fast-ice cover each year and ice scouring on the seabed at Rothera and Carlini (inner bay in orange, outer bay in red) stations. The y-axis shows the proportion of the monitored seabed from a 5–25 m depth hit by icebergs. Pearson's correlation line (−0.86, p < 0.001) drawn through Rothera data only.