Eyes on Earth Episode 137 – Landsat Takes Yellowstone’s Temperature

The Yellowstone National Park area has more than 10,000 thermal features. And while Old Faithful is a pretty predictable geyser, some thermal features can change quite a bit. New ones can even pop up! Remote sensing provides a tool for monitoring them—especially the thermal infrared sensors (TIRS) on Landsat 8 and Landsat 9 satellites.In this episode of Eyes on Earth, R. Greg Vaughan, the remote sensing lead for the Yellowstone Volcano Observatory, describes what causes the thermal features and how he uses Landsat and other remote sensing data to track their locations and estimate their temperatures. Then Terry Sohl, the Integrated Science and Applications Branch chief at USGS EROS, describes a couple of other important uses of Landsat thermal data.

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