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How California's climate has evolved over a geologic timescale - San Francisco Chronicle

Climate Change - Impact - Google News · last updated

How California’s climate has changed over a geologic timescale
A cyclist rides past tall redwood trees while riding on the trails of Joaquin Miller Park in Oakland. Fewer redwoods lined the coast 4,000 years ago, according to a UC Davis study. Jessica Christian/The Chronicle

Travel back in time 10,000 years, and Northern California might be unrecognizable. Towering buildings wouldn’t line the coast as they do today, and nor would there be the same number of redwoods and the prevalence of springtime fog, according to a study from UC Davis.

Ocean upwelling — the process of deeper, colder, more nutrient-rich waters rising toward the surface — would be decreased relative to today, with fewer fish and other ocean life in surface waters, according to the study.

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