article<\/a> on \u201cmegafloods\u201d, warning that massive floods caused by atmospheric rivers will likely impact California if climate change continues unabated.<\/p>\nAccording to Michael D. Dettinger (researcher at U.S. Geological Survey) and B.Lynn Ingram (Earth and planetary science professor at Berkeley), atmospheric rivers\u2014narrow bands of water vapor running a mile above the ocean and extending for thousands of kilometers\u2014are responsible for most catastrophic floods that occur in California every 200 years or so. In 1861, a megastorm hit California after two decades of severe droughts and created a huge inland sea in Central Valley, leaving thousands of human lives and one quarter of the state\u2019s economy destroyed.<\/p>\n
The regions that are home to most people in California today were put underwater for several months, and boats became the only means of transportation (see photo).<\/p>\n
William Brewer, the author of the book Up and Down California in 1860-1864<\/em> wrote, \u201cThe entire valley was a lake\u2026. Nearly every house and farm over this immense region is gone.\u201d Three months after the initial flooding, he visited Sacramento and described, \u201cMost of the city is still under water, and has been there for three months\u2026I don\u2019t think the city will ever rise from the shock, I don\u2019t see how it can.\u201d<\/p>\nIt is estimated that a comparable event in today\u2019s California would force more than a million people to evacuate and cause $400 billion in lost property and agriculture. Los Angeles County, Orange County, San Diego and the San Francisco Bay Area would be especially susceptible to the negative impacts.<\/p>\n
The stakes are high, and though action to reduce greenhouse gas emissions is needed on a global scale, California is doing its part to avert these kinds of crises. The state\u2019s cap-and-trade program will be fully implemented in 2013 and is responsible for meeting almost 20 percent of the GHG reduction target the state has set: returning to 1990 levels by the year 2020. At CalCAN, we will continue our efforts to assure that sustainable agriculture is part of the solution, advocating for resources for sustainable farming practices that help lower agriculture\u2019s GHG emissions, help growers adapt to the coming changes, and protect farmland that can help buffer against flood risk.<\/p>","protected":false},"excerpt":{"rendered":"
Scientific American recently published an article on \u201cmegafloods\u201d, warning that massive floods caused by atmospheric rivers will likely impact California…<\/p>","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"mc4wp_mailchimp_campaign":[],"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[682],"tags":[21,14,15,22,30,16,23,120,70,132],"class_list":["post-3537","post","type-post","status-publish","format-standard","hentry","category-people","tag-calcans-work","tag-california-agriculture","tag-cap-and-trade","tag-carbon-sequestration","tag-climate-change","tag-climate-legislation","tag-effects-of-climate-change","tag-greenhouse-gas","tag-sustainable-agriculture","tag-technical-assistance"],"acf":[],"yoast_head":"\n
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