Geology and Wine 3. Terroirs of the Walla Walla Valley appellation, southeastern Washington State, USA

摘要: Terroir of the Walla Valley appellation Washington State is influenced by 1) rain shadow effect and volcanic tephra Cascade Mouncain Range, 2) soils derived from Quaternary glacial sediments wind-blown loess overlying Miocene basalt, 3) a warm, dry climate with abundant sunshine cool nights due to high latitude (45-48°N) elevation. Wine flavours varietals (including Cabernet Sauvignon, Chardonnay, Merlot, Syrah) appear be low humidity, long growing season (1500-1800°C degree days), soil type drainage, drip irrigation, pruning restrict vine vigour, trellising methods, overall topographic climatic setting vineyards. Microclimates within appellation, combined variations in bedrock stratigraphy, yield range wine styles as great many larger regions some countries. Resume Le terroir de la vallee d'appellation l'Etat est caracterise par l'effet parapluie topographie locale et nature tephritiquedes depots chaine des monts Cascade, les sols issus glaciaires eoliens recouvrant un basalte Miocene, climat chaud sec tres ensoleille, avec nuits fraiches deshautes latitudes (N45° N48°) l'altitude elevee. Les gouts vins varietes (incluant le semblent dependre faible humidite region, sa saison vegetative longue (1 500°C 1 800°C degres-jours), son sol d'une irrigation goutte goutte, taille vigne pour en restreindre vigueur vegetative, methodes treillages et, conditions topographiques climatiques generales ou baignent ces vignobles. L'effet combine microclimats region ses stratigraphie du substratum rocheux regional permet production vin aussi prestigieux que bien reconnues meme certains pays.