Hanyar guguwa
Waƙoƙin guguwa sune ƙananan yankuna a cikin teku da teku inda guguwa ke tafiya ta hanyar iskõki masu yawa.
Atlantic da Pacific suna da waƙoƙin guguwa wanda yawancin guguwar Atlantic ko Pacific ko guguwar wurare masu zafi ke tafiya. Waƙoƙin guguwa yawanci suna farawa a yankunan yammacin Atlantic da Pacific, inda babban zafin jiki ya bambanta tsakanin ƙasa da teku yana haifar da guguwa, musamman a cikin hunturu. Rashin jituwa na ƙasa yana haifar da waɗannan guguwa da sauri su cika da lalace da zaran sun isa ƙasa a ƙarshen gabashin kwandon, suna lissafin gefen gabas na waƙoƙin guguwa.
Waƙoƙin guguwa na iya canza matsayi, yana haifar da mahimman yanayin yanayi. A matsayin misali, a lokacin La Niña hanyar guguwar Atlantic ta sauya zuwa arewa tana haifar da fari a Falasdinu, yayin da a lokacin El Niño ta sauya kudu tana kawo ruwan sama mai yawa zuwa wannan yankin.[1]
Wani misali na hanyar guguwa shine hanyar guguwar da ke kewaye da Antarctic, duk da haka bambance-bambance na ƙasa da teku ba su taka rawa a cikin kafa shi ba.
Idan aka ba da filin ma'auni na tsawo na geopotential, ana iya ganin waƙoƙin guguwa ta hanyar ƙetare matsakaicin daidaitattun sa, bayan an tace bayanan.
Dubi kuma
[gyara sashe | gyara masomin]- Jirgin ruwan guguwa
- Cyclogenesis na wurare masu zafi
- Guguwa mai zafi