Ukuncipha kwamanzi angaphansi komhlaba kubangela ukuthi imithombo yome, okuthinta ukukhiqizwa kokudla kanye nokufinyelela kwamanzi asekhaya. Ukumba imithombo ejulile kungase kuvimbele ukoma kwemithombo—kulabo abangakwazi ukuyikhokhela nalapho izimo zamanzi zikuvumela khona—kodwa ukuvama kokumba okujulile akwaziwa. Lapha, sihlanganisa izindawo eziyizigidi ezingu-11.8 zemithombo yamanzi angaphansi komhlaba, ukujula kanye nezinhloso kulo lonke elase-United States. Sibonisa ukuthi imithombo evamile yakhiwa ngokujulile izikhathi ezingu-1.4 kuya ku-9.2 kunaleyo eyakhiwe ngokujulile. Ukujula kwemithombo akukhona yonke indawo kuzo zonke izindawo lapho amazinga amanzi angaphansi komhlaba ehla khona, okusho ukuthi imithombo engajulile isengozini yokomisa uma amanzi angaphansi komhlaba eqhubeka nokuwohloka. Siphetha ngokuthi ukumba imithombo ejulile kabanzi kumelela igebe elingazinzile lokuncipha kwamanzi angaphansi komhlaba elinqunyelwe izimo zezenhlalo nezomnotho, i-hydrogeology kanye nekhwalithi yamanzi angaphansi komhlaba. Imithombo yamanzi angaphansi komhlaba e-United States ingaphansi kokucindezeleka okukhulu kunanini ngaphambili ngenxa yezimo zesomiso kanye nesidingo esikhulayo, kodwa uhlobo olubanzi lokumba okujulile aluzange lubikwe. Lokhu kuhlaziywa kuhlanganisa imithombo yamanzi angaphansi komhlaba ecishe ibe yizigidi ezingu-12 kulo lonke elase-United States ukuze kutholakale ubuthakathaka bamanzi kanye nokusimama kwawo.
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Isikhathi sokuthunyelwe: Okthoba-18-2024