Mene ne smog da kuma abin da ya ke kawo hadari?

Zai yiwu, in general sharuddan, ya amsa abin da ya iya, may kowane zamani dalibi. Kuma idan muka tambaye shi wannan tambaya, sa'an nan, shi ne wata ila don ji wani abu kamar haka: "An kira wani hazo a kan birnin, wanda shi ne sakamakon wuce kima iska gurbatawa da shaye gas."

Shin da gaske? Bari mu yi kokarin bayyana yanayin da Sanadin wannan irin hazo daga kimiyya ra'ayi.

Mene ne smog? Abin da yanayi ne na ta asalin? The sunan sabon abu na farko da ya haifar a London 'yan shekarun da suka gabata da suka wuce, shi yana da zalla Birtaniya asalinsu. Haka ya faru a cikin Bugu da kari na biyu sunaye, "hayaki", wanda aka fassara a cikin Rasha nufin "hayaki" da "hazo" - "hazo."

Wannan irin hazo ne halayyar yankuna da sosai najasa iska. Feature ne gaban a yanayi na babban kaso na waje barbashi a kan wanda condenses tururi. An yi imani da cewa babban laifi a cikin haddasa smog ne da wani yawa na kai a kan hanyoyi da kuma wasu yanayin yanayi.

Mene ne smog? Fiye da shi ne m?

Tabbas wuya kowa zai yi jayayya da cewa zaune a birane, wanda zai iya zama wani sabon abu kusan sananne, m da quite kawo hadari ga rayuwar dan Adam. Af, bad da lafiyar qasa da likitoci ji m kodadde fata yan unguwa. Duk al'amarin yake ba a cikin rashin bitamin, kamar yadda da yawa suka yi ĩmãni. A Metropolitan yankunan Tan kawai mara kyau ne, saboda Yana iya, cuɗanya da hayaki da kuma kura, an yi duk abin da zai yiwu a kauce wa samun a ƙasa hasken rana makamashi.

Amma dai ba duka. Kila mazauna birane sun lura cewa, a cikin 'yan shekarun nan mu biranen a cikin hunturu aka ƙara barazana da nauyi snowfalls da rainstorms sun zama kusan sananne. Wannan shi ne wani hatsari. Saboda gaskiya cewa iska ta ƙunshi manyan yawan daban-daban iri lafiya particulate al'amari, shi kafa, sau da yawa ya fi girma droplets ko snowflakes, fiye da da, a ce, a cikin karkara, wanda ke nufin cewa a sakamakon karin da girgije, kuma hazo.

Hakika, don kare duk da halin kaka urbanization da wuya ta yiwu. Ku tuna da 'yan smog a Moscow? Sai a wannan lokaci a cikin asibitoci na birnin karuwa a yawan marasa lafiya gunaguni da ya wuce kima tearing, pesky Shusha Barking tari , kuma sau da yawa numfashin-riƙe. Amma dai ba duka. Idan cutarwa barbashi har yanzu samun a cikin jikin mu, su neutralization auku a cikin hanta, sabili da haka, jiki yana guba zurfin ciki.

Mene ne smog? Ya misalai a duniya

Abin baƙin ciki, a duniya a yau, a lokacin da wasu sassa na duniya rinjaye muhalli halin da ake ciki bar yawa da za a so, zai iya ba - yana da ba da irin wannan rare sabon abu.

Alal misali, rigar nau'i na adibas na irin wannan ya halayyar da babban birnin kasar na Birtaniya, da kuma wasu sassa na kasar game da 100 da suka wuce. Kuma yayin da laifi ga ilminsa ya, kamar yadda ka sani, ba motoci. Aƙalla 12-13 karni a jihar mazauna zafi gidajensu tare da kwal kawai, suna ƙara da gur yanayi. Kamar yadda aka sani, cikin hazo, ga yankin - yana da ba a duk nadiri. A barbashi combustible man fetur da ake gauraya ta da nauyi ruwan sama, forming impenetrable da detrimental zuwa kiwon lafiya a cikin hazo - London smog. Wannan irin dumama ƙarshe aka haramta ta King Edward karkashin hukuncin kisa.

Photochemical smog aka farko hange a Los Angeles. Ya, bisa ga ra'ayi na zamani malaman, samar a cikin sama yadudduka da yanayi ne kawai a lokacin rani da kuma ta ultraviolet radiation. Industrial watsi, fadowa a ƙarƙashin rinjayar hasken rana don samar da taba da sabon, kuma sau da yawa fiye da mai guba kayayyakin.