Joe MacGregor

@joemacgregor.bsky.social

2305 Followers 473 Following

Glaciologist @ NASA/GSFC. Earth’s ice is great. Let’s keep some around. Views my own. He/him. 👨‍👩‍👧 🐶 🐶 🐈 🧊 🇬🇧 🇨🇦 🇺🇸 🇬🇱 🇦🇶

Ice-sheet runoff at Kangerlussuaq, Greenland

Even a short break in the records can create problems. Say an ice shelf collapses in Greenland. Unless you were measuring sea-level rise before, during and after, you’ll never be sure a sudden change was caused by the collapse, said William B. Gail, a former president of the American Meteorological Society. “You might surmise it, but you don’t have a quantitative record,” he said.

Mara!