Environmental influences Flashcards
What is the difference between climate and weather?
Climate is a region’s expected, daily average level of temperature, sunlight, warmth and rainfall over time (for example, Provence’s climate is warm or Mediterranean);
Weather is what happens day-to-day and what you see outside your window.
What is the growing season for the northern hemisphere and for the southern hemisphere?
Northern hemisphere: April - October
Southern hemisphere: October - April
What is the average temperature range during the growing season in cool climates?
Cool
avg temp 16.5°C (62°F) or below
What is the average temperature range during the growing season in warm climates?
Warm
avg temp 18.5° - 21°C (65° - 70°F)
What is the climate classification, based on the amount of heat available during the growing season?
Cool
Moderate
Warm
Name four main weather-related hazards that can cause significant damage to vines and grapes?
Drought
High levels of rain
Hail
Frost
What does it mean when a region has a “cool vintage”?
A cool vintage means the average temperature of the growing season was lower, or colder, and the sunshine was less bright, than what is normal for that region.
When it is hot, the vine needs more…
Water
What is the worst-case scenario for a vine in a drought?
The vine will die from lack of water.
What time of year is a vine’s risk of frost at its greatest?
Springtime
Frost threatens the vine’s new growth.