Kutsvagisa: mhepo haizove yakachena pasina mota
Mhepo icharamba yakasviba zvakanyanya kunyangwe huwandu hwemotokari mumigwagwa hwadzikiswa zvakanyanya, sekureva kwechidzidzo chakataurwa neBritish edition yeAuto Express. MuScotland, huwandu hwemotokari mumwedzi wekutanga wekuzviparadzanisa ne coronavirus wakaderera ne65%. Nekudaro, izvi hazvina kutungamira mukukosha kwakanyanya mumhepo mhando, masayendisiti kubva kuYunivhesiti yeStirling vakawana.
Vakaongorora huwandu hwekusvibisa mweya neakanakisa PM2.5 guruva, iro rine simba rakakura pahutano hwevanhu. Iyi bvunzo dzakaitwa munzvimbo makumi manomwe dzakasiyana muScotland kubva 70 Kurume (zuva rakatevera kuziviswa kwezviyero zvinorwisa denda muUK) kusvika 24 Kubvumbi 23. Mhedzisiro yacho yakaenzaniswa nedata reiyo imwe-yemazuva makumi matatu-emakore pamusoro pemakore matatu apfuura
Mugore 2,5, iyo geometric inoreva kusangana kwe PM6,6 yakawanikwa iri 2020 micrograms pa cubic mita yemhepo. Kunyangwe paine mutsauko wakakura muhuwandu hwemotokari mumugwagwa, mhedzisiro iyi yaive yakaenzana zvakafanana neya2017 na2018 (6,7 na7,4 μg, zvichiteerana).
Muna 2019, iyo PM2.5 level yaive yakakwira zvakanyanya pa12.8. Zvakadaro, masayendisiti anoti izvi zvakakonzerwa nemamiriro ekunze apo huruva yakanaka kubva mugwenga reSahara yakakanganisa kunaka kwemhepo muUnited Kingdom. Kana iwe ukasafunga nezve ichi chokwadi, saka gore rapfuura mwero wePM2,5 waive we7,8.
Vatsvagiridzi vakagumisa kuti mwero wekusvibisa mweya unoramba wakafanana, asi huwandu hwenitrogen dioxide iri kudzikira. Zvisinei, vanhu vanopedza nguva yakawanda vari mudzimba dzavo, umo mweya wemhando yepamusoro unogona kunge wakashata nekuda kwekuburitswa kwezvinhu zvinokuvadza kubva mukubika uye noutsi hwefodya.
“Kwaifungwa kuti motokari shoma mumugwagwa dzaigona kuita kuti mhepo isanyanya kusvibiswa uye zvozoderedza kuwanda kwezvirwere. Nekudaro, kudzidza kwedu, kusiyana neWuhan neMilan, hakuna humbowo hwekudzikiswa kwemhepo muScotland pamwe nekuvharika kubva padenda, "anodaro Dr Ruraid Dobson.
"Izvi zvinoratidza kuti mota hadzisi mupiro wakakura mukusvibiswa kwemhepo muScotland. Vanhu vanogona kunge vari panjodzi huru yekushata kwemweya mudzimba dzavo. kunyanya kana yakagadziriraKubika nekuputa fodya kunoitika munzvimbo dzakavharirwa uye dzisina mweya wekufema zvakanaka,” akawedzera.
