Melting Arctic enables new tourist routes

  • Written by  Marco Magrini
  • Published in Polar
Might the northwest passage someday become a busy shipping lane? Might the northwest passage someday become a busy shipping lane? JennyT
03 May
2016
Geographical’s regular look at the world of climate change. This month, Marco Magrini looks at the future of sea levels

This summer, a 1,700-person cruise ship will navigate where no tourist has ever dared. Crystal Cruises’ Serenity will connect Alaska to New York City, through the gelid waters of the legendary Northwest Passage. The voyage, already sold-out, comes courtesy of climate change.

According to the National Snow and Ice Data Center in Colorado, Arctic sea ice was at a record low yet again in 2015. Ice extent usually increases through winter, peaks in March then shrinks to its minimum by September. The September Arctic minimum sounded a first alarm in 2005, later breaking records in 2007, 2012, 2014 and 2015. The latest data from NASA confirms that February 2016, with 1.35 degrees Celsius above the long term-average, was the most unusually warm month ever measured globally. The Arctic was hit the most. A team of climatologists at Rutgers University, has estimated that more than half of the 13.8cm of sea level rise recorded in the past century resulted from global warming effects. ‘The 20th century rise was extremely likely faster than during any of the 27 previous centuries,’ the researchers say. In Antarctica, ice melting is now projected to contribute, by 2100, to a sea level rise that is double that previously thought.

The 20th century sea level rise was extremely likely faster than during any of the 27 previous centuries

The oceans are not only our clear-sounding alarm bell, they are also our saviours. They regulate the climate. At least a quarter of man-made carbon emissions are absorbed by seas, mitigating the effects of global warming. Problem is, the extra carbon intake makes oceans more acidic. Carbonic acid makes calcium unavailable for building shells or skeletons posing a threat to oysters, clams, lobsters and even plankton, the building block for the underwater food chain.

Climate change is projected to grow unabated and the seas are in trouble of oceanic proportions. If Roald Amundsen’s 1906 expedition through the Passage was to be cheered as a symbol of human progress, the inauguration of a northwestern cruising route is, for the opposite reason, to be mourned.

This was published in the May 2016 edition of Geographical magazine.

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2 comments

  • Chris Fitch Thanks Captain – good spot! Not passengers, people (crew included). Many thanks. Wednesday, 04 May 2016 09:37 posted by Chris Fitch
  • Captain David Snider 1700 Passengers? I am sure Crystal Cruises would like to know where they are going to pack in the additional 630 folks onboard the Crystal Serenity. Tuesday, 03 May 2016 23:09 posted by Captain David Snider

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