{"id":13787,"date":"2011-07-01T10:13:55","date_gmt":"2011-07-01T17:13:55","guid":{"rendered":"http:\/\/blogs.kqed.org\/climatewatch\/?p=13787"},"modified":"2011-07-01T10:13:55","modified_gmt":"2011-07-01T17:13:55","slug":"the-heat-is-on-for-napa-valley-wines","status":"publish","type":"post","link":"https:\/\/ww2.kqed.org\/climatewatch\/2011\/07\/01\/the-heat-is-on-for-napa-valley-wines\/","title":{"rendered":"The Heat is On for Napa Valley Wines"},"content":{"rendered":"
\"\"<\/a>
Temperatures are rising for Napa Valley grapes. (Photo: KQED Quest.)<\/figcaption><\/figure>\n

California’s prime wine producing areas could shrink dramatically over the next three decades of climate change. That’s according to a study <\/a>released this week by scientists at Stanford University.<\/p>\n

Author Noah Diffenbaugh and colleagues looked at how Napa and Santa Barbara counties could be affected by a one-degree Celsius (1.8 degrees Fahrenheit) rise in average global temperature. They found that the land suitable for growing premium wine grapes could be reduced 30-50% by 2040.<\/p>\n

“We were asking the question about near-term decades when we expect much more moderate warming. I frankly was surprised that we found as substantial impacts on suitable area as we did,” says Diffenbaugh, a fellow at Stanford’s Woods Institute for the Environment<\/a>.<\/p>\n

The study focused on the particular climate niche needed by the top quarter of most expensive wines. In the Napa Valley, the study concludes that the average temperature during the growing season could increase as much as two degrees Fahrenheit. Growers could see as many as 10 additional extreme heat days.<\/p>\n

“We know that the best wine grapes are grown in a relatively small area and most of that area is in California,” said Diffenbaugh. “Because that area is so small, we can infer that changes in temperature will potentially impact the ability to grow the best wine grapes.”<\/p>\n

Diffenbaugh says these are average changes for the areas in question, “but there’s a broad range of micro-climates, even on one piece of land.”<\/p>\n

The study was done using a global climate model, but researchers overlaid a higher-resolution grid over the United States to get the granularity they needed to study specific areas. They verified the model with past weather records collected between 1960 and 2010.<\/p>\n

While prime land may shrink in California, the study also found that Oregon and Washington could benefit, as cooler areas there become more suitable for premium grapes.<\/p>\n

The projections could have a dramatic impact on California’s multi-billion dollar wine industry. Diffenbaugh says it will be up to growers to adapt. “Wine growers are accustomed to dealing with the stresses of the environment and changes. And they\u2019re used to thinking on these decadal time scales,” he said. “It’ll be interesting to see how different individuals respond to these changes as they play out,”<\/p>\n","protected":false},"excerpt":{"rendered":"

California’s prime wine producing areas could shrink dramatically over the next three decades, with climate change.<\/p>\n","protected":false},"author":239,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[6],"tags":[118,119,259,374,681],"coauthors":[],"series":[],"affiliates":[],"programs":[],"collections":[],"interests":[],"class_list":["post-13787","post","type-post","status-publish","format-standard","hentry","category-thescience","tag-climate-impacts","tag-climate-modeling","tag-grapes","tag-napa","tag-wine"],"acf":{"template_type":"standard","featured_image_type":"standard","is_audio_post":false},"yoast_head":"\nThe Heat is On for Napa Valley Wines | Climate Watch<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ww2.kqed.org\/climatewatch\/2011\/07\/01\/the-heat-is-on-for-napa-valley-wines\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The Heat is On for Napa Valley Wines | Climate Watch\" \/>\n<meta property=\"og:description\" content=\"California's prime wine producing areas could shrink dramatically over the next three decades, with climate change.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ww2.kqed.org\/climatewatch\/2011\/07\/01\/the-heat-is-on-for-napa-valley-wines\/\" \/>\n<meta property=\"og:site_name\" content=\"Climate Watch\" \/>\n<meta property=\"article:published_time\" content=\"2011-07-01T17:13:55+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/ww2.kqed.org\/climatewatch\/wp-content\/uploads\/sites\/54\/2011\/06\/035-Grapes-6-29-07.jpg\" \/>\n<meta name=\"author\" content=\"Lauren Sommer\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Lauren Sommer\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/ww2.kqed.org\/climatewatch\/2011\/07\/01\/the-heat-is-on-for-napa-valley-wines\/\",\"url\":\"https:\/\/ww2.kqed.org\/climatewatch\/2011\/07\/01\/the-heat-is-on-for-napa-valley-wines\/\",\"name\":\"The Heat is On for Napa Valley Wines | Climate Watch\",\"isPartOf\":{\"@id\":\"https:\/\/ww2.kqed.org\/climatewatch\/#website\"},\"datePublished\":\"2011-07-01T17:13:55+00:00\",\"dateModified\":\"2011-07-01T17:13:55+00:00\",\"author\":{\"@id\":\"https:\/\/ww2.kqed.org\/climatewatch\/#\/schema\/person\/2028303b891a88d762725b47b4b689ed\"},\"breadcrumb\":{\"@id\":\"https:\/\/ww2.kqed.org\/climatewatch\/2011\/07\/01\/the-heat-is-on-for-napa-valley-wines\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/ww2.kqed.org\/climatewatch\/2011\/07\/01\/the-heat-is-on-for-napa-valley-wines\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/ww2.kqed.org\/climatewatch\/2011\/07\/01\/the-heat-is-on-for-napa-valley-wines\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ww2.kqed.org\/climatewatch\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"The Heat is On for Napa Valley Wines\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/ww2.kqed.org\/climatewatch\/#website\",\"url\":\"https:\/\/ww2.kqed.org\/climatewatch\/\",\"name\":\"Climate Watch\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/ww2.kqed.org\/climatewatch\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/ww2.kqed.org\/climatewatch\/#\/schema\/person\/2028303b891a88d762725b47b4b689ed\",\"name\":\"Lauren Sommer\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/ww2.kqed.org\/climatewatch\/#\/schema\/person\/image\/fb47fb7f6f643a79f68702c434e94f49\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/33aa3772bb86c6ad45b8aca6a238bbdf?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/33aa3772bb86c6ad45b8aca6a238bbdf?s=96&d=mm&r=g\",\"caption\":\"Lauren Sommer\"},\"description\":\"Lauren is a radio reporter formerly covering environment, water, and energy for KQED Science. 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