Terroir and Fine Wine — romance, mystery, allure
You can’t get too far in Sonoma Wine Country or Napa Valley without hearing about a wine’s nose and legs. And, people in the know like to throw around the word terroir. The rest of us may avoid it, not knowing exactly what it means, or even how to pronounce it (say “tare war” like you have a mouth full of marbles). What is terroir, anyway?
Well that, it turns out, is not a simple question.
There’s no doubt among us that wines are distinct.
One bottle of Pinot is not the same as another bottle of Pinot. Although the grape stock may be the same, flavor is distinct. A wine’s unique—je ne sais quoi—quality, stems from terroir.
Terroir encompasses the habitat in which the grape is grown.
Factors like climate, soil, and terrain add up differently. Whether the average temperatures are warm or cool affect flavor. Warmer climates lend to higher sugar levels, and higher alcohol content, and influence taste. And, although it isn’t understood exactly how different soils affect a wine’s flavor, there’s no argument that rock and mineral deposits, soil texture, and soil chemistry do affect the end result. Not only the soil but also the environment in which the grapes are grown matters. Nearby animal and plant life, whether the vines are in a valley or by the sea, the elevation of the land—all these affect flavor.
Winemaking traditions also contribute to terroir.
How winemakers work together with the land is included in the elusive concept of terroir. After generations of cultivating a certain area, a person gets to know and understand their vines. Tending your grapes is a relationship—an intimate knowing.
In the world of wine, science and art are at odds.
Not surprisingly, it turns out that a lot of what we call terroir is invisible to the naked eye. The science of winemaking is pushing aside the art of the craft with new ability to detect and measure the effects of microbial life in the vineyard. Bacteria and fungi play a big role in terroir as well. The microbes live in the grape and, ultimately, the wine. Researchers at UC Davis explain that “‘microbial terroir’ is a determining factor in the regional variations in wine.”
Terroir is not the same thing as appellation.
Wikipedia notes, “The influence of terroir means that wines from a particular region are unique, incapable of being reproduced outside that area, even if the grape variety and winemaking techniques are painstakingly duplicated.” The idea of terroir led to the formation of grape-growing regions into distinct appellations.
An appellation is a clearly defined region on a map—an AVA (American Viticultural Area). Napa Valley was the first designated Californian appellation, which today includes many sub-appellations. Sonoma County’s Dry Creek Valley and Russian River Valley are two familiar AVAs of the 17 in Sonoma Wine Country that produce world-famous and highly distinct wines.
Terroir arouses a sense of place and belonging.
Ask any wine buff, though, and they’ll likely tell you that the definition of terroir means more than the region where the grapes are grown. The concept evokes the romantic, old-world art of fine winemaking. Yes, more and more we see the word used by other food producers. Terroir sells because it appeals to people’s senses, conjuring mystery, art, and magic. Perhaps the very allure of terroir is in its unmeasurable sense of place and belonging.
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