Supported by the National Basic Research and Development(973)Program of China(2009CB421406);National Science and Technology Support Program of China(2009BAC51B02);National Natural Science Foundation of China(40975033)
In this study, the cold ocean/warm land (COWL) pattern was identified from the leading empirical orthogonal function (EOF) of the monthly 1000-hPa geopotential height field poleward of 20°N. Traditionally, the le...