Icebreaker Fennica, source Wikimedia (attribution license – author Marcusroos https://commons.wikimedia.org/wiki/File:Icebreaker_Fennica.jpg
Guest essay by Eric Worrall
Global warming is apparently making it so difficult to break through thickening Baltic Ice, the Baltic Icebreaker fleet may have to be upgraded.
More Powerful Icebreakers Needed in Baltic Sea Despite Global Warming
Oddly enough, global warming and milder winters have led to more severe ice conditions in the Baltic Sea and the Gulf of Bothnia. Today, icebreakers are already struggling to get through towering compacted ice and the problem may become exacerbated in the future, unless more powerful icebreaking vessels step in.
As surprising as it may sound, milder winters don’t make life easier for icebreakers. On the contrary, thaws alternating with bouts of frost are a nightmare for icebreaker fleets, Finnish experts found. During winters with a regular cold, solid ice grows to become 50-60 centimeters thick and is easy to get through…
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