Greenland Ice Sheet Project 1 (GISP1)

Greenland Ice Sheet Project 1 (GISP1) was a scientific drilling program conducted in the 1980s to study the history of the Greenland ice sheet and past climate changes. Researchers drilled deep into the ice to extract ice cores, which contain bubbles of ancient air and particles. By analyzing these samples, scientists gained insights into past temperatures, atmospheric composition, and ice sheet dynamics over hundreds of thousands of years. GISP1 helped improve understanding of how ice sheets respond to climate variations, informing predictions about future climate change and sea level rise.