Climate Dynamics

, Volume 39, Issue 7, pp 1905-1912

First online:

Co-variability of poleward propagating atmospheric energy with tropical and higher-latitude climate oscillations

  • Wan-Ru HuangAffiliated withDepartment of Geological and Atmospheric Sciences, Iowa State UniversityGuy Carpenter Asia–Pacific Climate Impact Centre, School of Energy and Environment, City University of Hong Kong Email author 
  • , Tsing-Chang ChenAffiliated withDepartment of Geological and Atmospheric Sciences, Iowa State University
  • , Shih-Yu WangAffiliated withUtah Climate Center and Department of Plants, Soils and Climate, Utah State University

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One may infer from the poleward propagation of angular momentum that energy change in tropical regions may be manifested in polar regions through a poleward propagation. This idea does not seem to be extensively addressed in the literature. It has been found that the poleward propagation of total atmospheric energy appears to connect the tropics and the polar regions on the interannual timescale. The present study explores how this poleward propagation may be linked to prominent climate oscillations such as ENSO, PNA, NAO, AO, AAO, and PSA. Analysis suggests that the poleward propagation of energy is likely a result of the atmospheric circulation change modulated by the climate patterns of ENSO, PNA, NAO, AO from tropical to Arctic regions and by the climate patterns of ENSO, PSA, AAO from tropical to Antarctic regions. The existence of the poleward energy propagation may shed light on studies exploring the linkage between topical climate and polar climate.


Atmospheric energy Poleward propagation Climate oscillations