Yintoni indlela? Izinto ezibangela ice lumens

Indlela abantu abaninzi bayazi ukuba polynya (mazingabhidaniswa ngesityalo umhlonyane)? Oku ngenene ngumbuzo umdla kakhulu. Ngapha koko, nangona into yokuba wonke umntu ujongene le nto ebomini yokwenene, kuphela bambalwa banolwazi uhlobo bukuyo. Kwaye ngoko ke uxoxe ngayo ngokweenkcukacha ngakumbi.

Yintoni indlela?

Polynya - ayithethi ngumkhenkce kwi window kumphezulu ichibi. Kuyinto umngxuma phakathi omkhenkce, nto leyo alulibaziseki nkqu kuneqabaka bumandundu. Kufuneka kuqatshelwe ukuba le nto emzimbeni ibonakala ukuhamba, kwaye amile.

Ngethemba, emva kokuba zingasentla, ngaphezulu okanye ngaphantsi kwacaca ukuba polynya enjalo. Kodwa kufuneka singalahlekani enye ingongoma ebalulekileyo. Yiloo nto ibizwa ngokuba izikhewu njengomhlonyane igubungele ice eziqinileyo, kwakunye imingxuma yokukhukuliseka ice floes.

Kutheni abunjwe umngxuma umkhenkce?

Ukwenyuka inkulu ice izikhewu inokubonakalisa kwi imilambo kunye ngesantya esikhulu. Phantsi kweemeko ezinjalo, amanzi bamane nje ixesha ngumkhenkce kwaye ajike abe uqweqwe nzima. Njengoko polynyas akhiwa kwiindawo apho kukho ukukhutshwa kwamanzi ezifudumeleyo. Oku kunokuba, umzekelo, amanzi emvula mveliso, amaqhosha komhlaba imithombo njalo njalo.

Into yokuba polynya, a oomatiloshe ezaziwayo-kakuhle idada emanzini emantla. Ukuba uyakwazi ukubona esi senzeko kwiindawo apho umoya onamandla ezithiwe iyalandela ice floe kwisiqingatha.

Kutheni polynya akuthethi ngumkhenkce?

Masiqalise nesibakala sokuba kwezo ndawo apho umgangatho ngodlame polynya amanzi ashushu shwaka nje akakwazi. Ngapha koko, ngenxa yeenguqu ubushushu Zanyibilika umkhenkce nangoko, kusekwe i window ongenanto.

Ukuba sithetha imilambo nzulu okanye amadama, apha izinto ezahlukeneyo. Khona, phezu kwamanzi ebusuku uqweqwe obhityileyo aqumbe. Nokuza ukusa, umoya uchola, leyo nangoko utshabalalisa inshorensi ice le. ifuthe umoya ayikwazi kuphela ezo iinxalenye ukuba ibekwe kufuphi nonxweme, okanye uhlobo umqobo enqatyisiweyo.