But the study author’s confess ignorance as to why.
“‘One question we now need to ask, and can ask, is what are the processes that are driving these changes in the ice? To what degree is it ocean processes, to what degree is this in the atmosphere?’ Schweiger said. ‘I don’t think we have a good handle on that yet’.”
Obviously, the author of the study is not a scientist otherwise he wouldn’t ask such inane questions.