Is Yellowstone losing steam? Trees might be a clue
BILLINGS (AP) — A U.S. Geological Survey scientist plans to study trees in Yellowstone National Park to determine whether geysers are losing steam, and maybe even get a better idea of how to predict earthquakes.
Some trees near Mammoth Hot Springs date back to the 1500s, said Bill Evans, and determining the amount of carbon dioxide trapped in them by taking core samples and examining tree rings might tell scientists whether the amount of carbon dioxide being released in the area has fluctuated over time.
He said it's possible earthquake swarms in the park might be caused by high-pressur...