Rapid loss of Arctic sea ice

TL;DR

This paper discusses the Arctic sea ice loss tipping point, highlighting its potential for rapid, irreversible ice loss and the limitations of current climate models in predicting this critical environmental change.

Contribution

It introduces a projection based on literature and observational data indicating accelerated Arctic sea ice loss leading to a permanent ice-free state.

Findings

Sea ice loss is accelerating significantly.

Current climate models underestimate the speed of ice loss.

An imminent transition to a year-round ice-free Arctic is likely.

Abstract

Several environmental tipping points and self-reinforcing feedback loops are still disregarded within the frequently used climate models. Thus, existing climate models are not very representative for providing projections of the conditions after the actual environmental tipping points are triggered. In this contribution, we discuss the presence of the Arctic sea-ice loss tipping point and its influence on global warming. Our literature search and PIOMAS sea volume observation data based projection indicate the significant acceleration of the sea-ice loss (which leads to a year around and permanent ice-free Arctic) in near future.