Photo: I've been messing around with R again. Here, I tried using heat mapping to give a visual impression of the change in ice volume over the years. Usually I think spaghetti graphs are just a confusing mess, but here the data speaks clearly.

(Yes, zero on the volume axis really does mean "ice free".)

The data is from the Pan-Arctic Ice Ocean Modeling and Assimilation System v2. It uses observations of ice concentration and sea temperature, then is validated against observations of ice thickness from submarines, aircraft and satellites.
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David Barnard
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I've been messing around with R again. Here, I tried using heat mapping to give a visual impression of the change in ice volume over the years. Usually I think spaghetti graphs are just a confusing mess, but here the data speaks clearly.

(Yes, zero on the volume axis really does mean "ice free".)

The data is from the Pan-Arctic Ice Ocean Modeling and Assimilation System v2. It uses observations of ice concentration and sea temperature, then is validated against observations of ice thickness from submarines, aircraft and satellites.

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