Mene ne lemar sararin samaniya rami da kuma yadda shi zai iya barazana

A cikin 'yan sau da jama'a da abin ya shafa tare da muhalli al'amurran da suka shafi - yanayi, da dabbobi, da rage adadin m da kima. Kila ma ya ji dukan game da abin da lemar sararin samaniya rami, da kuma cewa su ne a cikin zamani Duniya ta stratosphere sosai. Shi ne. Modern ayyukan mutane da kuma fasaha ci gaba razana zama dabbobi da shuke-shuke, a duniya, kazalika da sosai rai da mutane.

Mene ne lemar sararin samaniya rami?

A lemar sararin samaniya Layer - wani m daina kai hare hare blue duniyar tamu, wanda aka located a cikin stratosphere. Tsayinsa ne game da ashirin da biyar kilomita daga bãyan ƙasa. A Layer kafa na oxygen cewa fallasa zuwa hasken rana shigarsu a sinadaran canji. Local rage daga cikin lemar sararin samaniya taro (a na kowa wannan ne duk aka sani "rami") shi ne yanzu saboda dalilai da yawa. Na farko shi ne, ba shakka, ayyukan mutane (duka samar da kullum-gida). Duk da haka, akwai ra'ayin cewa lemar sararin samaniya Layer an hallaka a ƙarƙashin rinjayar zalla halitta mamaki da alaqa da 'yan adam.

anthropogenic tasiri

Da ya fahimci cewa lemar sararin samaniya rami wajibi ne don gano abin da irin mutum aiki na taimaka wa ta bayyanar. Wannan musamman aerosols. Kowace rana mu yi amfani da deodorants, gashi lacquers, bayan gida da ruwa tare da fesa kuma sau da yawa ba tunani game da cewa shi adversely rinjayar da m Layer na duniya. Gaskiyar cewa mahadi waxanda suke da ba a mu saba gwangwani (ciki har da bromo da chloro), readily amsa tare da oxygen kwayoyin halitta. Saboda haka, lemar sararin samaniya Layer ne suka hallaka, bayan tasowa irin sinadaran halayen a kaucewa m (kuma sau da yawa cutarwa) abubuwa.

Hallakaswa da lemar sararin samaniya Layer fili ba a cikin ceton iska conditioners a cikin rani zafi, kazalika a sanyaya kayan aiki. Yadu fãta shimfiɗaɗɗa mutum masana'antu aiki kuma raunana kariya na duniya. Its depress masana'antu watsi, ruwa (ƙarshe evaporates bangare na cutarwa abubuwa), ƙazantar da stratosphere da kuma shaye gas na motocin. A karshen, a matsayin statistics nuna, sun fi kuma mafi kowace shekara. Korau sakamako a kan lemar sararin samaniya Layer, kuma da propellant.

halitta tasiri

Sanin abin da lemar sararin samaniya rami, ya kamata ka kuma yi wani tunani na yadda da yawa daga cikinsu a kan surface na duniya tamu. Amsar ne m: da gibba a cikin kariya daga ƙasã sa. Su ne sau da yawa kananan da kuma ba wakiltar wani rami da wani bakin ciki sosai saura a Layer na lemar sararin samaniya. Duk da haka, akwai biyu babbar unprotected sarari. Wannan Arctic da Antarctic lemar sararin samaniya rami.

Stratosphere kan dogayen sanda na Duniya ya ƙunshi kusan babu m Layer a duk. Mene ne dalilin da? Saboda babu motoci da masana'antu da shuke-shuke. Duk da al'amarin a cikin halitta tasiri na biyu dalili na lemar sararin samaniya ta ƙãrẽwa. Iyakacin duniya vortices bayyana a cikin karo na dumi da kuma sanyi iska gudana. Wadannan gas samuwar dauke da manyan yawa na nitric acid wanda a ƙarƙashin rinjayar sosai low zafin jiki da kuma reacts tare da lemar sararin samaniya.

Firgita muhalli fara kawai a cikin karni na ashirin. Hallakaswa da hasken ultraviolet da yi musu da hanyarsu a cikin ƙasa, kuma sanadin tuntuɓe, a kan Bango lemar sararin samaniya, zai iya sa ciwon daji fata a cikin mutane, kazalika da mutuwar dabbobin da yawa, kuma shuke-shuke (musamman na cikin teku). Saboda haka, kungiyoyin kasa da kasa, kusan duk na mahadi da aka dakatar da cewa halakar da m Layer na duniya tamu. An yi imani da cewa, ko da idan bil'adama abruptly daina wani mummunan illa da kan lemar sararin samaniya a cikin stratosphere, da a halin yanzu data kasance ramuka bace sosai dogon. Wannan bayani da cewa cutarwa abubuwa ne CFCs, wanda sun riga sun yi tafiya a sama, za a iya zama da kansa a cikin yanayi na shekarun da suka gabata.