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A Farewell to Ice

and possibly to common sense

in Science , Thursday, January 05, 2017

A couple of weeks ago I read the recently published book "A Farewell to Ice", by Peter Wadhams. It recounts Wadhams' long involvement in sea ice research, intertwining popular science and anecdote. It's quite an entertaining read, and makes some compelling points, but I came away from it feeling a slight sense of disquiet. This arose not from the predictions of the grim consequences of sea ice loss - which are hard to disagree with - but more down to the presentation.

At some point in the distant past I moved in quite close circles to Peter Wadhams. I'm not sure if we ever met, but I don't think so. But my impression is that he always had a reputation for being ever so slightly out on the fringe, which actually would probably have appealed to me. Although he has had a long and fruitful career, somehow he seems to lack a certain sense of gravitas. Of course you could also say that this is because unlike a lot of his peers, he's not a pretentious, self-important windbag. Nevertheless, his claims about a murder conspiracy directed at climate scientists a few years back were not only extremely far-fetched but also very hurtful to friends and relatives of the said scientists.

Wadhams also emphasises the importance of field data and actually understanding physical processes over modelling, a point that his critics in the denial looney corner conveniently overlook, but which I fully concur with. In fact my own skepticism about modelling as the solution to everything played a large part in my forced exit from the field, many years ago. It wasn't a good line to take when dealing with a boss who seemed to actually live in a computer simulation.

But back to "A Farewell to Ice". The big problem is that Wadhams cannot help himself from making dramatic predictions. Does it really matter if the North Pole is ice free next year or in ten years? Or even in a hundred years? The big fight now is countering the blatantly dishonest denial campaign, and its harnessing of an army of illiterate trolls and pseudo-scientists. Giving them a headline like "all ice will disappear next year - oh, and by "disappear" I mean only 1 million square km will remain - is a gift from the Gods. He may, god forbid, even be right, but it's neither here nor there. There is little point in writing a book like this and playing to the gallery. If it cannot even convince a mild skeptic, what is the point? Allowing it to be so easily dismissed as wild-eyed scaremongering is extremely careless, to put it mildly.

I'm also a little puzzled about the bibliography. If he believes that Seymour Laxon and Katharine Giles were so important, why does he not reference their research, in particular Laxon's exhaustive, diligent and controversy-avoiding work on refining techniques for determining sea ice freeboard (and hence the key thickness measurement) by satellite remote sensing? All I can recall is a dismissive, generic comment on missions such as Cryosat. Well, ok, maybe upward facing sonar from submarine is more accurate, but he's hardly going to generate much coverage that way.

So, "A Farewell to Ice" is a good, accessible book, and a worthwhile and recommended read. The science is extensive, fairly comprehensive and sound. But in failing to rein back on some of the more emotive aspects, it also ends up as a lost opportunity, and does little, for me, to dispel the vague feeling that maybe he is just slightly bonkers.
Posted in category "Science" on Thursday, January 05, 2017 at 06:21 PM

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