Why Older Arctic Ice Is Thicker — And Why That Distinction Now Matters

追加: 2026-05-05

[00:00:00]Here we're looking at the ice age, which is an indicator of thickness. Generally, older ice is thicker ice.

[00:00:08]>> That's the voice of Dr. Walt Meyer, senior research scientist at the National Snow and Ice Data Center.

[00:00:15]What you see in this animation is the ice pulsing out and in with the season.