Changes in synoptic weather patterns in the Arctic and Antarctic over the 21st century
An analysis of late 20th century and 21st century predictions of Arctic and Antarctic circulation patterns in a ten model ensemble of global climate system models, using the method of self-organizing maps (SOMs), is being conducted. The model simulations, and this analysis, are in support of the Intergovernmental Panel on Climate Change (IPCC) 4th Assessment Report. An application of the methodology to 20th century reanalyses has resulted in conclusions congruent with earlier synoptic climatologies that used different techniques. The SOM methodology is a useful tool for diagnosing differences among a large cohort of often quite divergent simulations, allowing the rapid identification of outliers.
Links
IPCC
diagnostics
Self-Organizing
Maps
Participants
- Monash University
- University of Colorado at Boulder