The melting of floating ice raises the ocean level only 2.6% relative to displacement. If all the extant sea ice and floating shelf ice melted, the global sea l

The melting of floating ice raises the ocean level only 2.6% relative to displacement. If all the extant sea ice and floating shelf ice melted, the global sea level would rise about 4 cm. The sliding of grounded ice into the sea is what raises sea levels.