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Yellowstone is covered with evidence of glaciers. About 22,000 to 14,000 years ago, during the most recent ice age, ice draped the region to a thickness of a kilometer—that’s over half a mile! When the ice melted, it left debris everywhere, mantling much of the surface of Yellowstone National Park. For example, Hayden Valley, located between Yellowstone Lake and the Grand
Satellite remote sensing data from numerous orbiting spacecraft have long been instrumental in studying and monitoring Yellowstone—especially the thermal areas and geyser basins that make Yellowstone National Park famous.
Scientists can determine the sources of hydrothermal fluids in park rivers by monitoring water chemistry. The result? A “budget” of which geyser basins release the most hydrothermal fluids.
What can trees tell us about Steamboat Geyser’s history? Why do Steamboat’s seismic eruption signals vary seasonally? Get up to speed on two newly published research studies centered on the world’s tallest geyser.
Seven years after nonnative brook trout were removed from Soda Butte Creek in the northeastern corner of Yellowstone National Park, the fish again have been spotted in the creek.