The latitude deviation and amplitide at both high and low latitude change greatly in a year.The maximum of latitude deviation appears at 60癗 in Ja-nnuary,April,and October,and at 30癗 in July. October approachs comparati-vely winter in the circulation characteristic in comparison with April.The po-sitions of trough and ridge lines at 100 mb.height oscillate in east and west direction during a year.
Fu Yixin, Li Xijun, Mi Disheng
. THE WAVE SPECTRUM ANALYSIS OF HEIGHT EIELDS AT 100MB.OVER NORTHERN HEMISPHERE[J]. SCIENTIA GEOGRAPHICA SINICA, 1984
, 4(3)
: 251
-259
.
DOI: 10.13249/j.cnki.sgs.1984.03.251
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