Antarctic ice losses tracking high

While ice sheet models have been greatly improved for the IPCC Fifth Assessment Report, a comparison between the IPCC projected sea level contribution of Antarctica and the IMBIE assessment shows that during their 10-year overlap period, satellite observations were 30 times greater than the IPCC’s lower estimates – closest to the upper range of the IPCC estimates. If this trajectory is followed, Antarctica will contribute 151 mm to global mean sea level rise by 2100m, which needs to be taken into account when designing strategies to prepare for future climate change.