Geologic Controls on Viticulture in the Walla Walla Valley, Washington
نویسندگان
چکیده
The critical zone is defined as the life-sustaining region on and near Earth’s surface that is affected by the interaction of geologic, hydrologic, biologic, and atmospheric processes. Investigations into critical zone processes are needed to reveal how weathering transforms minerals, organic matter, solutions and gases to sustain life. Like all organisms, the health and character of grape vines and their fruit is determined by factors such as climate and the availability of water and nutrients. The main objective of this project was to evaluate how critical zone factors affect the physical environment and chemical character of grapes grown in the Walla Walla Valley of Washington state. Students had the opportunity to explore the geology, geochemistry, hydrology and microclimates of vineyards in the Walla Walla Valley that have been producing award-winning wines for over a decade (Fig. 1). In addition to these scientific studies, students had the opportunity to learn more about viticulture and to gain insight into the winemaking industry. TERROIR
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