Causes and Consequences of Polar Amplification

Session ID#: 120594

Session Description:
Arctic sea ice has declined dramatically in recent decades, with amplified Arctic near-surface warming compared to lower latitudes. This phenomenon, also seen in both hemispheres in future climate projections, is known as polar amplification. The Polar Amplification Model Intercomparison Project (PAMIP) is a coordinated set of model experiments, designed to advance understanding of the causes and effects of polar amplification.

The goal of this session is to synthesize our current understanding of polar amplification, harnessing the PAMIP multimodel ensemble. Contributions from the following topics are encouraged: 1) What are the relative roles of remote versus local processes in driving polar amplification? 2) How does the global climate system respond to changes in Arctic and Antarctic sea ice, and via what mechanisms (i.e., atmospheric teleconnections, stratosphere-troposphere coupling, ocean-atmosphere coupling)? We especially welcome studies using the PAMIP experiments, and also invite contributions from other modeling experiments as well as observational/theoretical studies.

Index Terms:

1621 Cryospheric change [GLOBAL CHANGE]
1626 Global climate models [GLOBAL CHANGE]
3305 Climate change and variability [ATMOSPHERIC PROCESSES]
3319 General circulation [ATMOSPHERIC PROCESSES]


Primary Convener:  Lantao Sun, Colorado State University, Department of Atmospheric Science, Fort Collins, CO, US
Conveners:  James Screen, University of Exeter, Exeter, EX4, United Kingdom, Yutian Wu, Lamont-Doherty Earth Observatory of Columbia University, Palisades, NY, United States and Qinghua Ding, University of California Santa Barbara, Santa Barbara, CA, United States
Primary Liaison:  Lantao Sun, Colorado State University, Department of Atmospheric Science, Fort Collins, CO, United States
See more of: Atmospheric Sciences