Seasonal Pulse

NASA

Tracking Glacial Change with Landsat and Radar

For the first time, scientists have created a comprehensive global dataset revealing how the world’s glaciers speed up and slow down with the seasons. Published in Science in November 2025, this groundbreaking study analyzed over 36 million satellite image pairs—including decades of Landsat data—to track the seasonal “pulse” of every major glacier on Earth. The research, built off the ITS_LIVE ice velocity dataset from NASA’s Jet Propulsion Laboratory…