We also find the AO index has an abrupt climate change in 1982, the AO mode's positivecenter in the North Pacific regions moves eastward and becomes stronger after the change.
冬季ao指数在1982年发生突变,且突变后北太平洋地区的正中心位置更靠东,强度更大。
2
I'm going to say, quite to the contrary, the positive charge is concentrated at the center in a tiny, tiny, tiny volume.