Eduze nogu lwase-Los Angeles kumi indawo yokugcina amanzi i-Ivanhoe. Futhi ukumboza yonke indawo yaleli chibi elingamahektha angu-39 (96-acre) ububanzi kunamabhola omthunzi angaphezu kwezigidi ezingu-96.
Kungenzeka ukuthi uyabheja ukuthi lona umgodi omkhulu webhola emhlabeni futhi kungenzeka ukuthi uqinisile! Kodwa lawo mabhola anenhloso enkulu kunokunikeza umphakathi wendawo indawo yokusingatha amaphathi ezingane.
Eminyakeni embalwa edlule, uDerek Muller we I-Veritasium wathatha uhambo lwesikebhe waya maphakathi nedamu i-Ivanhoe. Lapha, wacosha ubuchopho babaphathi bawo futhi wathola ukuthi kungani leli chibi elinikeza abantu abaningi kangaka amanzi okuphuza ahlanzekile linamabhola amaningi amnyama antantayo phezu kwalo.
Izinto zokuqala kuqala: amabhola anomthunzi AWAKENZIWE ngepulasitiki enobuthi. Zilinganisa u-10 cm ububanzi futhi zenziwe nge-polyethylene engeyona enobuthi, e-high-density (HDPE) ephephe ngokuphelele ukuthi ingadliwa. Amabhola agcwaliswa ingxenye yamanzi (210 ml ukuba abe ncamashi) ukuze akale phansi futhi avimbele ukuthi angandizi aphume endaweni yokugcina amanzi.
Kodwa isici sazo esihlukaniseka kakhulu ukuthi zimnyama - ngokungafani namabhola epulasitiki anemibala ovame ukuwathola emigodini yebhola. Lo mbala omnyama wenziwa watholakala ngento ebizwa ngokuthi “ikhabhoni emnyama,” evimba ukukhanya kwelanga futhi ivimbele amanzi echibini ukuthi angashisi ngokweqile.
Ngakho-ke kungani uhamba ngobude obunjalo ukumboza indawo yokugcina amanzi ngamabhola omthunzi?
Njengoba kuvela, ukuvimbela ukwakheka kwe-carcinogenic bromate emanzini. I-Bromide, iyodwa, iyinhlanganisela engenangozi etholakala ngokwemvelo kuwo wonke amanzi. Kodwa lapho lawo manzi ehlanganiswa ne-chlorine ekukhanyeni kwelanga, akhiqiza i-bromate enobuthi, ebangela umdlavuza. Njengoba i-chlorine idingeka ukuze kugcinwe amanzi ebulawa amagciwane, okuwukuphela kwendlela yokugcina amanzi ehlanzekile iwukuba ubhekane nenkinga yokukhanya kwelanga.
Ngaphambi kwalokhu, abantu abahlala eduze kwechibi bazama ukubheka izixazululo ezimbalwa ezihlukene. Omunye umqondo wawuwukumboza ichibi ngoseyili obanzi noma i-trampoline. Baphinde bacabanga ukumboza ichibi ngamapayipi amade e-HDPE. Kodwa-ke, lo mbono wokugcina ungase ubize kakhulu ngenxa yobuningi bezinto ezibonakalayo, ingasaphathwa ukuthi kungenzeka ukuthi amapayipi asuswe kalula.
Ekugcineni, uDkt. Brian White wathola ngamabhola ezinyoni - lawa mabhola angewona ubuthi, i-HDPE angasetshenziswa ukuvimba izinyoni ukuthi zingahlali emanzini. Ngemva kokuwahlola ngokumelene nezinye izixazululo ezihlongozwayo, amabhola ezinyoni awine ngokudilika komhlaba futhi aphindiselwa abe amabhola omthunzi.
Nakuba amabhola omthunzi enza umsebenzi wawo wokugcina ukukhanya kwelanga kude namanzi echibini, anezinye izinto ezimbalwa ezisebenzayo futhi.
Njengamabhola ezinyoni eza ngaphambi kwawo, amabhola omthunzi ahamba phambili ekuvimbeni izilwane zasendle ezindizayo. Lokhu kuvimbela ezinye izakhi ezinobuthi ngaphandle kwe-bromate ekukhuleni emanzini. Amabhola omthunzi aphinde avimbele ukwakheka kwe-algae, okuholela ekusetshenzisweni kwe-chlorine encane ukuze kubulawe amagciwane echibini.
Futhi ngaphambi nje kokuthi uhambe ucabanga ukuthi amabhola amnyama akhuphula izinga lokuhwamuka endaweni yokugcina amanzi, u-Derek Muller wenze isiqiniseko sokuthi uyacacisa futhi achaze lolu daba kubasebenzi base-LA reservoir.
Ngokusobala, ukuba namabhola agcwaliswe umoya uhhafu empeleni kunciphisa ukuhwamuka. Ngenkathi ingaphezulu lamabhola lishisa kakhulu, indawo engezansi kwawo ihlala ipholile. Njengoba umoya uyisivikelo esihle sokushisa, ukushisa phezulu akufinyeleli emanzini angezansi. Lokhu kunciphisa izinga lokuhwamuka kwe-reservoir ngo-80-90%.
Uma kucatshangelwa ukuthi basebenzise amasenti angu-33 ngebhola elinomthunzi, lokho kuyisamba esingu-$31,680,000 esisetshenziselwe ukuvala yonke indawo yokugcina amanzi e-LA ngamabhola amnyama. Kodwa ngokusho kweChief Operating Officer uMarty Adams, lezi zindleko zisebenza njenge-offset uma kubhekwa imali abayongayo ekunakekeleni amanzi.
Ngakho-ke usunakho - lokho okubukeka sengathi umgodi webhola omkhulu kunayo yonke emhlabeni empeleni uyikhaya lomunye wemithombo yamanzi ehlanzeke kakhulu laphaya. Ngakho-ke uma uhlangabezana ne-reservoir yase-LA futhi une-inki yokugxumela phakathi, sicela ungakwenzi. Ngeke nje ungcolise izigidi zamalitha amanzi, kodwa uzophinde ukhishwe unogada!
