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Straks wijnbouw in Alaska?Het lijkt overdreven, maar toch is het waar. Wij gaan het nogh meemaken dat er wijngaarden in Alaska worden aangeplant. Meer ....................
BeNeVit Symposium
Op 8 & 9 september 2011 organiseerde ik het BeNeVit Symposium en Masterclass. Hierbij was Dr. Richard Smart de spreker die de invloed van de klimaatverandering presenteerde. Hetzelfde onderwerp, maar dan in het Nederlands, komt in mijn klimaatlezing aan bod.
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Klimaat is niet alleenzaligmakend.
Er zijn Californische wijnbouwers die overwegen om naar Canada of zelfs Alaska te gaan om wijn te maken. De smalle strook langs de kust zou voldoende kunnen opwarmen om een goed klimaat voor wijnbouw te bieden. De hoge vochtigheid langs de kust zou echter voor problemen kunnen zorgen. Bovendien wordt geen rekening gehouden met de “terroir,” of karakter van de bodem; zelfs indien het klimaat perfect wordt kan het zijn dat men nooit echte kwaliteitswijn zal kunnen produceren.
Het effect van opwarming op de wijnbouw
Read more: The Effect of Heat on Wine Grapes | eHow.com http://www.ehow.com/facts_5809023_effect-heat-wine-grapes.html#ixzz1oQWrvy2X
- Als de temperatuur omhoog gaat gaan de druiven sneller rijpen. Deze stijging verloopt progressief. Wanneer druiven te snel rijpen, produceren ze te veel suiker (en dus alcohol) en te weinig zuren.
- According to Stanford University ecologist Kim Nicholas Cahill, "Wine grapes are especially vulnerable because they have a sensitive temperature range in which they can grow."
- Different grapes thrive at different climates. For example, the grapes used for chardonnay grow best a temperatures between 57 and 63 degrees. Even a slight increase can destroy that crop, yet zinfandel grapes would thrive at the higher temperature.
- According to a study published in the Proceedings of the National Academy of Sciences in 2007, more than 60 percent of the world's best winegrape-growing land will be gone if nothing is done to cut down greenhouse gas.
- One way to prevent the overheating of grapes is planting the vines with more space between them.
Read more: The Effect of Heat on Wine Grapes | eHow.com http://www.ehow.com/facts_5809023_effect-heat-wine-grapes.html#ixzz1oQWrvy2X
Stanford University - Kim Nicholas Cahill.
“Wine grapes are especially vulnerable because they have a sensitive temperature range in which they can grow,” said Stanford University ecologist Kim Nicholas Cahill, who studies the effects of extreme heat on grapes.
Although wine grapes might not suffer major declines in yield, quality rather than quantity is the issue with this crop. Too hot, and grapes may ripen too quickly and produce flabby wines with too little acid and too much alcohol. Too cold, and a wine’s character will tend toward less desirable green flavours such as grass or bell pepper.
Although wine grapes might not suffer major declines in yield, quality rather than quantity is the issue with this crop. Too hot, and grapes may ripen too quickly and produce flabby wines with too little acid and too much alcohol. Too cold, and a wine’s character will tend toward less desirable green flavours such as grass or bell pepper.
