Idethi: Januwari 24, 2025
Indawo: Brisbane, Australia
Enkabeni yeBrisbane, edume “njengelinye lamadolobha anemvula” e-Australia, kwembulwa umdanso othambile inkathi ngayinye yeziphepho. Njengoba amafu amnyama eqoqana futhi iculo lamathonsi emvula liqala, uxhaxha lwezilinganiso zemvula luqoqana buthule ukuze luqoqe idatha ebalulekile esekela ukuphathwa kwamanzi edolobha kanye nemizamo yokuhlela amadolobha. Lena indaba emayelana namaqhawe angaculwanga endaweni yemvula—izilinganiso zemvula—kanye nendima yawo ekulolongeni ikusasa lamadolobha anempilo ase-Australia.
Idolobha Lemvula
IBrisbane, enesimo sezulu esishisayo, ithola isilinganiso semvula minyaka yonke esingamamilimitha angu-1,200, okuyenza ibe ngelinye lamadolobha amakhulu anemvula kunawo wonke e-Australia. Nakuba imvula iletha ukuphila emapaki aluhlaza kanye nemifula enikeza idolobha ubuhle balo, iphinde ibe nezinselele ezinkulu ekulawuleni amadolobha kanye nokulawulwa kwezikhukhula. Iziphathimandla zendawo zithembele kakhulu kudatha enembile yemvula ukuze zenze izinhlelo ezisebenzayo zokudonsa amanzi, zilawule imithombo yamanzi, futhi zivikele imiphakathi ezingozini ezibangelwa izikhukhula.
Inethiwekhi Yabanakekeli
Ngaphesheya kweBrisbane, amakhulu amageji emvula alukwe ngendlela eyinkimbinkimbi endwangwini yedolobha, amiswe ophahleni lwezindlu, ezindaweni zamapaki, ngisho nasezimpambanweni zemigwaqo ephithizelayo. Le mishini elula kodwa eyinkimbinkimbi ikala inani lemvula ena phakathi nenkathi ethile. Ukufundwa okuqoqiwe kusiza izazi zezulu ukuthi zenze izibikezelo, zazise abahleli bedolobha, futhi zisize izinsizakalo eziphuthumayo.
Phakathi kwalaba baqaphi kukhona inethiwekhi yezikali zemvula ezizenzakalelayo ezisetshenziswa uHulumeni waseQueensland. Ifakwe ubuchwepheshe obuthuthukisiwe, lawa mageji adlulisela idatha yesikhathi sangempela kusizindalwazi esimaphakathi, esibuyekezwa njalo emizuzwini embalwa. Lapho kufika isiphepho, isistimu ixwayisa izikhulu zedolobha ngokushesha, ezivumela ukuthi ziqaphe amandla emvula futhi zilandelele izindawo ezingase zibe nezikhukhula.
“Phakathi nezimvula ezinkulu, umzuzu ngamunye ubalulekile,” kuchaza uDkt. Sarah Finch, isazi sesimo sezulu e-University of Queensland. "Amageji ethu emvula ahlinzeka ngolwazi olubalulekile olusisiza ukuthi siphendule ngokushesha, siqinisekise ukuphepha komphakathi kanye nokuvikela ingqalasizinda."
Usuku Empilweni Yesilinganiso Semvula
Ukuze siqonde umthelela walezi zikali zemvula, masilandele uhambo lwe-“Gauge 17,” esinye seziteshi zokulinganisa ezisebenza kakhulu zedolobha esitholakala eSouth Bank Parklands. Ntambama evamile yasehlobo, i-Gauge 17 imisa umlindi endaweni ethandwayo yepikiniki, uhlaka lwayo oluyinsimbi olubenyezelayo ngaphansi kwelanga.
Njengoba ubumnyama bugubuzela idolobha, amathonsi okuqala emvula aqala ukuna. Ifaneli yegeji iqoqa amanzi, iwaqondise kusilinda sokulinganisa. Imilimitha ngayinye yemvula enqwabelanayo itholwa inzwa eqopha idatha ngokushesha. Ngesikhashana nje, lolu lwazi luthunyelwa ohlelweni lokuqapha isimo sezulu loMkhandlu Wedolobha laseBrisbane.
Lapho isiphepho siba namandla, i-Gauge 17 irekhoda amamilimitha angu-50 amangalisayo ngaphansi kwehora. Le datha idala izexwayiso kulo lonke idolobha—iziphathimandla zendawo zihlanganisa izinhlelo zazo zokulawula izikhukhula, zeluleka izakhamuzi ezisezindaweni ezisengozini enkulu ukuba zilungiselele ukuphuma okungahle kwenzeke.
Ukuhlanganyela Komphakathi
Umthelela wezikali zemvula udlulela ngale kwengqalasizinda; baphinde badlale indima ebalulekile ekuxoxisaneni nomphakathi nasekuqwashiseni. UMkhandlu Wedolobha LaseBrisbane uvame ukubamba imihlangano yokucobelelana ngolwazi nezinhlelo zemfundo ukuze ufundise izakhamuzi mayelana nezimo zemvula nemithelela yazo. Abantu bendawo bakhuthazwa ukuthi bafinyelele idatha yesikhathi sangempela yemvula ngohlelo lokusebenza olusesidlangalaleni olunikeza imibiko enemininingwane yesimo sezulu, okuhlanganisa idatha yomlando yamathrendi emvula.
Umfundisi womphakathi uMark Henderson uthi: “Ukuqonda ukuthi lina imvula engakanani edolobheni lethu kusisiza ukuba sazise indawo esihlala kuyo. “Izakhamuzi zingakwazi ukufunda ukuthi ziwonga nini amanzi kanye nendlela yokulungiselela izimvula ezinamandla, zibe ababambiqhaza abakhuthele ekulawuleni imithombo yethu esabelana ngayo.”
Ukumelana Nesimo Sezulu kanye Nokusungula Kabusha
Njengoba ukuguquka kwesimo sezulu kubangela izinselelo ezintsha, iBrisbane ihamba phambili ngamasu amasha kanye namasu okuzivumelanisa nezimo. Idolobhakazi litshala izimali ezilinganisweni zemvula ezithuthukisiwe ezikwazi ukulinganisa imvula kuphela kodwa nokugeleza kwamanzi ezikhukhula namazinga angaphansi komhlaba. Le ndlela edidiyelwe ye-hydrology izovumela ukuqagela okungcono kanye nengqalasizinda eqinile.
“Amageji emvula ayisiqalo nje,” kuchaza uDkt. Finch. "Sisebenzela ukuthola uhlelo oluphelele lokulawulwa kwamanzi oluthinta ukwehla ngakunye, siqinisekisa ukuthi iBrisbane ingachuma ngisho nalapho isimo sezulu sishintshashintsha."
Isiphetho
EBrisbane, lapho imvula iwuphawu lokuphila, amageji emvula enza okungaphezu kokulinganisa imvula; bahlanganisa umoya wokuqina kanye nokusungula izinto ezintsha lapho bebhekene nezinselelo zemvelo. Njengoba iziphepho zina, lezi zisetshenziswa ezilula zivikela ikusasa ledolobha, ziqondise ukuvela kwalo endaweni evundile yasemadolobheni. Ngokuzayo lapho amafu ehlangana ngaphezu kwaleli dolobha elinempilo, khumbula abanakekeli abathule abasebenza ngokungakhathali ukuze bagcine izakhamuzi zakhona ziphephile futhi zinolwazi, ithonsi elilodwa ngesikhathi.
Ukuze uthole ulwazi olwengeziwe lwenzwa yegeji yemvula,
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Isikhathi sokuthumela: Jan-24-2025