Ice shelves in general have episodic carvings and there can be large icebergs breaking off - I'm talking 100km or 200km long - every 10 or 20 or 50 years. Ian Allison More Quotes by Ian Allison More Quotes From Ian Allison So it seems to be a major incident that has caused the contingency plans to fail as well as the primary system. Ian Allison company-news Sea ice conditions have remained stable in Antarctica generally. Ian Allison antarctica stable ice sea
