What effect does altitude have on the temperature of a vineyard?

Study for the WSET Level 2 Award in Wine Exam. Prepare with flashcards, multiple-choice questions, hints, and explanations. Build confidence for your exam!

The correct answer is that the temperature decreases with altitude. As elevation increases, the atmosphere becomes thinner and loses heat more rapidly. This phenomenon occurs because with every 1,000 meters (or about 3,280 feet) of elevation gained, the temperature typically declines by approximately 6.5 degrees Celsius (about 11.7 degrees Fahrenheit) on average.

In the context of viticulture, this temperature decrease has significant implications for grape growing. Cooler temperatures at higher altitudes may contribute to slower ripening processes, which can enhance the development of acidity and aromatic complexity in the grapes. Regions that incorporate varying altitudes often experience a diverse range of microclimates, allowing winemakers to select the right grapes for their particular elevations based on temperature and climate needs.

The other choices suggest incorrect relationships between altitude and temperature. The notion that temperature remains constant regardless of altitude does not recognize the fundamental principles of atmospheric science and thermodynamics. The idea that temperature increases with altitude contradicts the established scientific understanding of how temperature gradients work within the atmosphere. Finally, stating that temperature fluctuates wildly with altitude implies a variability that is not consistently true; while local conditions may influence temperatures at different elevations, the general trend is a gradual decrease as elevation increases. Understanding

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