Tsinkaye na Shekaru 100 na Pacific

Pacific Centennial Oscillation wani yanayi ne wanda wasu nau'ikan yanayi suka annabta.

A cikin Tekun Fasifik, bambancin Yanayin zafi na teku yana da mahimmanci ga tsarin hazo a Amurka da kuma yadda wannan bambancin ke canzawa don mayar da martani ga canjin yanayi na mutum (El Nino-like ko La Nina-like) na iya ƙayyade sakamakon canjin yanayi. Tsarin zafin jiki na teku na iya canzawa a cikin dubban ko miliyoyin shekaru kuma ƙayyade yanayin da alamu daga bayanan lura yana da wahala.

Misalai da yawa na yanayi sun nuna kasancewar sikelin shekara ɗari a yanayin zafi na Tekun Pacific, tare da sauye-sauye na kimanin 0.5 °C (0.90 °F) ° C (0.90 ° F) [1] kuma yawancin canje-canjen zafin jiki sun fi mayar da hankali a ƙasa da Yammacin Pacific. Sakamakon da aka annabta suna da wasu kamanceceniya da El Nino Southern Oscillation [1] kuma yana iya zama alhakin yanayin La Nina na baya-bayan nan a cikin yanayin zafin jiki na Tekun Pacific da kuma yanayin da ke cikin gabashin yammacin yanayin zafin teku na Pacific daga 1900 zuwa gaba; a cikin samfurin yanayi ɗaya Pacific Centennial Oscillation yana haifar da fari mai tsawo a Kudu maso yammacin Amurka kamar fari na California na 2011-2017.[1][1][1]

Tsarin Oscillation na Centennial na Pacific duk da haka na iya zama ƙarya, kayan tarihi na samfurin. Bincike daga baya ya nuna yiwuwar cewa zagaye na shekara ɗari a cikin tsarin zafin jiki na Tekun Pacific na iya zama sakamakon wani harshe mai sanyi na Pacific mai tsawo, kodayake ba za a iya kawar da zagaye na ɗari na ainihi a cikin yanayi ba kuma an sake ba da shawarar don bayyana fari na shekara ɗaruruwa a Kudu maso yammacin Amurka [1] kuma dangane da yanayin dipole tsakanin kudu maso gabashin Indiya da Tekun Pacific.

Manazarta

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