Mgbanwe nke Pacific n'etiti afọ iri

The Interdecadal Pacific oscillation (IPO) bụ ihe omume ocjeanographic / meteorological yírí Pacific decadal oscillation, mànà ọ na-eme n'ebe sara mbara nké o Pacific. Ọ bụ ezie na PDO na-eme n'etiti latitudes nke Oké Osimiri Pacific na mpaghara ugwu, IPO na-agbasa site na mpaghara ndịda gaa na mpaghara ugwu. 

Oge oscillation bụ ihe dịka afọ irí na ise15 ruo afọ iri atọ. Akụkụ dị mmá nke IPO na-egosipụta site na okpomọkụ karịa nkezi nke Pacific na oyi karịa nkezi ugwu Pacific. A na-akọwa usoro ndị na-adịghị mmá site na ntụgharị nké usoro a, na okpomọkụ na mpaghara ugwu na-ekpo ọkụ.

IPO nwèrè usoro dị mma (ebe ndịda ọwụwa anyanwụ Pacific na-ekpo ọkụ) site n'afo 1922 ruo afọ 1946 na afọ 1978 ruo 1998, na ógè na-adịghị mma n'etiti afọ 1947 na 1976.

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