Drought alters Mammoth Mountain's carbon dioxide emissions - Science Daily

A study suggests the weight of snow and ice atop the Sierra Nevada affects a California volcano's carbon dioxide emissions, one of the main signs of volcanic unrest.

Thirty years ago, on the flanks of a volcano in California's Sierra Nevada range, trees began to die en masse, suffocated at their roots by carbon dioxide seeping up from the mountain's depths after … [+5745 chars]

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