Snow Crusts / A few words about the surface of snow

Friday, May 19, 2017

For decades there has been a popular belief—alternately debunked and defended by various linguists and anthropologists—that there are a great many Eskimo words for snow. More specifically, the belief is that while there are lots of specific words for different kinds of snow, there is no word that can be used to refer to any type of snow generically—that is, no direct synonym for the English word snow. Some accounts claim that there are nine different Eskimo snow words; some say there are dozens; others insist there are hundreds of distinct words for snow. Critics argue that there may be just two Eskimo root words for snow (from which all other words are derived), and that in any case, English, too, has plenty of different terms for snow—flake, flurry, powder, blizzard, avalanche, and so on. I do not intend to resolve this debate here, but I would like to show that when it comes to talking about a snow crust—a thin hard layer on top of snow—English can more than hold its own.

First, a brief discursus.

The Snowball Effect
To even begin to fathom how many Eskimo words there may be for snow, one must define what is meant by Eskimo—a term sometimes regarded as offensive when applied to people of certain ethnicities. Linguistically speaking, the word Eskimo properly refers to two language groups: Yup’ik (which consists of five distinct languages) and Inuit. Although Inuit is technically a language, it’s also a dialect continuum, meaning that dialects spoken in neighboring areas are mutually intelligible, while dialects whose speakers are separated by great distances are not. Meanwhile, some people use Inuit to refer to the people themselves while reserving the term Inuktitut for the language they speak, but this is not entirely accurate either. Depending on how you count, there are four or five major Inuit dialect groups, not all of which use the term Inuktitut to refer to their own language. And by the time you count all the individual dialects and the variety of names they use…well, you have almost as many names as you do people—the total number of people who speak any Eskimo language is less than 80,000. In any case, my point is that saying there are many “Eskimo” words for snow is sort of like saying there are many “European” words for love: trivially true but irrelevant.

So let’s suppose we narrow the question down to just one particular dialect of one Eskimo language. Surely there must be one of them with lots of words for snow, right? Well, maybe. Eskimo languages are notoriously complex, and it takes someone with serious training and experience to be able to tease apart which utterances even count as distinct words. Consider that the English words snowflake and snowfall, although they appear as separate entries in the dictionary, are really just compounds based on a single root word for an underlying concept. Eskimo languages make it much harder to spot derivatives like these, and once you do find them, you’re back to making an arbitrary decision as to whether they should appear as separate entries in your snow dictionary.

Eight Is Enough
Interesting as this puzzle is, I would like to point out that in any case, individual Eskimo languages have only one or two words for snow crust. For example, Western Greenlandic has one word for snow crust while in the Norton Sound, Unaliq subdialect of Central Alaskan Yup’ik there are two—which, by the way, look suspiciously like derivations of the same root. How anyone can get by with so few terms I’ll never know; in English, we seem to need a lot more—eight, to be exact. And OK, they’re all two-word phrases, but still—I think they put the whole debate in an entirely new light. Here they are, courtesy of the Glossary of Meteorology at the American Meteorological Society:

  1. snow crust: the general term for any hard surface on snow
  2. sun crust: a crust formed when the sun melts the top layer of snow, and then it refreezes
  3. rain crust: a crust formed when rain falls on snow and then freezes
  4. spring crust: a crust formed when warmer weather (but not necessarily sunshine) melts the top layer of snow and it refreezes
  5. wind crust: a crust that forms when wind packs down a layer of snow that has already been deposited
  6. wind slab: a crust in which the wind packs the snow at the same time as it’s being deposited
  7. ice crust: a crust that forms when water (from whatever source) flows onto the surface of snow and then freezes
  8. film crust: a very thin ice crust

Snow there. —Joe Kissell

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More Information about Snow Crusts…

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Read all about the Eskimo snow controversy in linguist Geoffrey Pullum’s book The Great Eskimo Vocabulary Hoax, and Other Irreverent Essays on the Study of Language. For a very thorough discussion about the Eskimo “snow” debate, see Do the Inuit really have 200 words for “snow”? (a discussion with Alana Johns, a linguist at the University of Toronto) and Eskimo Snow on Gene Expression. Cecil Adams also tackled the issue in his inimitable style—not once, but twice. See What are the nine Eskimo words for snow? on The Straight Dope, and the follow-up article Are there nine Eskimo words for snow (revisited)?.

To learn more about Eskimo languages and where Inuit and Inuktitut fit in, see the Ethnologue or the Inuktitut entry in the Wikipedia.

You can get definitions of all the English words for snow (and everything else weather-related) from the Glossary of Meteorology at the American Meteorological Society.

To read about the effect of snow crusts on skiing, see Snow Types at Some people consider crusted snow to be the very best skiing surface, at least if the crust is thick enough to support your weight. One such enthusiast’s report is The Magic of XC Skiing on the Crust of March by Bob Kovar.

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