{"id":7319,"date":"2014-12-05T13:37:28","date_gmt":"2014-12-05T20:37:28","guid":{"rendered":"http:\/\/plantingseedsblog.cdfa.ca.gov\/wordpress\/?p=7319"},"modified":"2014-12-05T13:37:28","modified_gmt":"2014-12-05T20:37:28","slug":"california-drought-worst-1200-years-san-jose-mercury-news","status":"publish","type":"post","link":"https:\/\/plantingseedsblog.cdfa.ca.gov\/wordpress\/index.php\/2014\/12\/05\/california-drought-worst-1200-years-san-jose-mercury-news\/","title":{"rendered":"California drought the worst in 1,200 years – from the San Jose Mercury News"},"content":{"rendered":"
\"Folsom<\/a>

Folsom Lake<\/p><\/div>\n

By Paul Rogers<\/strong><\/p>\n

The last three years of drought were the most severe that California has experienced in at least 1,200 years, according to a new scientific study published Thursday.<\/p>\n

The study provides the state with breathtaking new historical context for its low reservoirs and sinking water tables, even as California celebrated its first good soaking of the season.<\/p>\n

Analyzing tree rings that date back to 800 A.D. — a time when Vikings were marauding Europe and the Chinese were inventing gunpowder — there is no three-year period when California’s rainfall has been as low and its temperatures as hot as they have been from 2012 to 2014, the researchers found.<\/p>\n

“We were really surprised. We didn’t expect this,” said one of the study’s authors, Daniel Griffin, an assistant professor in the University of Minnesota’s department of geography, environment and society.<\/p>\n

The report, published in the journal of the American Geophysical Union, was written by researchers at Massachusetts’ Woods Hole Oceanographic Institution and the University of Minnesota.<\/p>\n

The scientists measured tree rings from 278 blue oaks in central and southern California. Tree rings show the age of trees, and their width shows how wet each year was because trees grow more during wet years.<\/p>\n

The researchers compared the information to a database of other tree ring records from longer-living trees like giant sequoias and bristlecone pines, dating back 1,200 years.<\/p>\n

Link to full story<\/a><\/p>\n

 <\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

By Paul Rogers The last three years of drought were the most severe that California has experienced in at least 1,200 years, according to a new scientific study published Thursday. 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