Figure 1 (IMAGE) Science China Press Caption The climate characteristics of the annual mean of the kinetic energy (500 hPa, 1948~2011) (The unit is m2 s-2 1 kg, a~c are plotted by the three-pattern decomposition model, while d~f are plotted by the NCEP/NCAR reanalysis data). Credit ©Science China Press Usage Restrictions Use with credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.