图2 (IMAGE)

Science China Press

图2

Caption

1979~2013年北半球冬季850hPa垂直涡度(d)及其分解量的气候平均特征: (a)表示水平型环流的垂直涡度, (b)表示经圈型与纬圈型环流的垂直涡度, (c)表示水平型、经圈型与纬圈型环流的垂直涡度之和; (e)~(h)、(i)~(l)和(m)~(p)类似于(a)~(d), 但分别表示500和200hPa及整层垂直平均的结果

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