TerraShift

Sea Level: Five-component model with thermal expansion (0.42m/°C), mountain glaciers (0.34m/°C, capped 0.5m), Greenland (7.4m), West Antarctic (5m), and East Antarctic (53m) ice sheets. Each responds on its own timescale; ice sheets activate via sigmoid tipping points.

Ice Mass: Approximated from sea level change — 362,000 km³ of water per meter of SLR, against 26.5 million km³ total land ice.

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