Kutheni le nto kukho isaqhwithi solwandle apho kukho ukugcwala kolwandle?

izaqhwithi zombane

Izaqhwithi zolwandle zinomdla kakhulu kwezinye iindawo zehlabathi. Izaqhwithi ezime ngqo kwiindlela ezimbini ezihamba phambili ehlabathini zokuhambisa ngenqanawa, zinamandla kakhulu ngakumbi kunaleyo yolwandle apho iinqanawa zingahambi khona.

Oku kunokuba okanye kungabi yimpukane. Ke ngoko abaphandi bakhokelwa ngu Katrina iintsholongwaneIsazinzulu esigxile kwisayensi yomoya e-Marshall Space Flight Centre ye-NASA, eHuntsville, Alabama, kunye noJoel Thornton, ingcali ekwakufana neYunivesithi yaseWashington eSeattle, omabini amaziko aseMelika afundile ukuba kutheni isenzeka le.

Izaqhwithi zolwandle

Iindlela zaselwandle

Ukuqonda ukuba kutheni kukho izaqhwithi zolwandle ezinamandla kwiindawo apho iinqanawa zidlula khona kwaye apho zingabuthathaka khona, iqela laseKatrina lenze imephu ngombane kumbane kwihlabathi liphela.

Ukuhlalutya ukuhanjiswa kunye nobukho bombane kwihlabathi liphela, kufumaniseka ukuba bawela kunye phantse kabini rhoqo ngokuthe ngqo ngaphezulu kwemizila yokuhambisa ngenqanawa ngokungenantambo kuLwandlekazi lwaseIndiya nakuLwandle lwaseTshayina olusezantsi kunakwindawo zolwandle ezikufutshane neendlela zemikhumbi kunye neendawo ezinemozulu efanayo.

Lo mahluko kubukho bezaqhwithi kwindawo enye kwaye enye ayinakuchazwa ziinkqubo zendalo okanye "ukuqondana nje okulula", kodwa kugqityiwe kwelokuba amasuntswana e-erosol akhutshwa ngeetshimini zeenqanawa Batshintsha inkqubo yokwenziwa kwamafu ngaphezulu kolwandle.

Guqula ekubunjweni kwelifu

Ukuthunyelwa kwegesi ngenqanawa kwiatmosferi kuguqula ukwakheka kwamafu ngaphezulu kolwandle. Ngesi sizathu, uninzi lwesaqhwithi esinamandla lwenzeka apho iindlela zolwandle zixakeke kakhulu, Kuba ziindawo apho kukho ukukhutshwa kweerosol.

Abaphandi bagqiba kwelokuba amasuntswana akhutshwa ngumsi wenqanawa awenza amathontsi asemafini abe mncinci, awanyusele phezulu emoyeni. Oku kudala amasuntswana omkhenkce ngakumbi kwaye kukhokelela kwimisebenzi yombane engakumbi.


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