Arctic Climate Change as Manifest in Cyclone Behavior
Ian Simmonds, Craig Burke, Kevin Keay
JOURNAL OF CLIMATE | AMER METEOROLOGICAL SOC | Published : 2008
The Arctic region has exhibited dramatic changes in recent times. Many of these are intimately tied up with synoptic activity, but little research has been undertaken on how the characteristics of Arctic cyclones have changed. This paper presents a comprehensive analysis of Arctic (here defined as the domain north of 702*N) cyclones diagnosed with the Melbourne University cyclone tracking scheme applied to the 40-yr ECMWF Re-Analysis (ERA-40) and the NCEP-NCAR (NCEP1) and NCEP-Department of Energy (DOE) Atmospheric Model Intercomparison Project (AMIP)-II (NCEP2) reanalysis sets (the last two extending to the end of 2006). A wide variety of cyclone characteristics is presented as befits these..View full abstract
Parts of this research were made possible by a grant from the Australian Research Council. The authors express their appreciation to staff at ECMWF and NCEP for making freely available the reanalysis datasets. We also wish to thank Ignatius Rigor for his assistance in obtaining the IABP data. We are grateful for the very constructive comments of two reviewers.