Nasa has data on sea ice, glaciers, snow cover, and other frozen features that comprise earth’s cryosphere and effect human activity and our planet. Nasa's iceberg data includes current and historical measurements useful for mapping icebergs, glaciers that calve them, and their characteristics. Forty years later, it is finally disappearing, and rapidly.
The science behind the color of an iceberg CGTN
When a piece of a glacier breaks off, it's called calving, and results in an iceberg.