SamuwarKimiyya

Yanayin duniya: da tarihi na bayyanar da tsarin

Cikin yanayin duniya - a gaseous ambulan na duniya tamu. Af, kamar harsashi da kusan duk wani sarari suKe jikinsu, daga taurari a cikin hasken rana tsarin to manyan asteroids. A abun da ke ciki na yanayi ya dogara da yawa dalilai - da girman da wani sarari suKe jiki, ta gudu, nauyi da kuma sauran sa sigogi. Amma kawai harsashi na duniya tamu ta ƙunshi aka gyara da damar da mu zuwa rayuwa.

Yanayin duniya: taƙaitaccen tarihin asalin

An yi imani da cewa a farkon ta zama, wannan duniya tamu ta taba gaseous ambulan. Amma matasa, sabuwar kafa wani sarari suKe jiki ne kullum gwamnatin. Primary Duniya ta yanayi da aka kafa a sakamakon ci gaba da aman wuta eruptions. Wannan shi ne don haka saboda mutane da yawa dubban shekaru a cikin ƙasã daina kai hare hare kafa na tururi, nitrogen, carbon da sauran abubuwa (sai oxygen).

Tun da adadin danshi a cikin sararin yana da iyaka, to, da ragi juya a cikin wani ruwan sama - don haka teku kafa, tekuna da sauran ruwa a jikinsu. A cikin ruwa yanayi bayyana da kuma ci gaba na farko kwayoyin cewa populate duniya. Mafi yawansu suna amfani da kayan lambu kwayoyin, da samar da oxygen ta photosynthesis. Saboda haka, yanayin duniya ya fara cika wannan m gas. A sakamakon haka, da suka taru kafa tare da oxygen da lemar sararin samaniya Layer abin da na tsare duniya daga tareda žata sakamako na ultraviolet radiation. Wadannan dalilai, da kuma samar da wani yanayi domin mu zama.

A tsarin da yanayin duniya

Kamar yadda aka sani, da gaseous ambulan na duniya kunshi dama yadudduka - wannan ne troposphere, stratosphere, mesosphere, thermosphere. Ba shi yiwuwa a zana bayyana iyakoki tsakanin wadannan yadudduka - shi duka ya dogara da lokaci na shekara da kuma latitud na duniya ta yanki.

Troposphere - ƙananan ɓangare na gasbag, wanda tsayinsa ne matsakaita na 10 zuwa 15 kilomita. Wannan shi ne inda mai karfi mafi yawan yanayi iska. Af, a nan shi ne duk da danshi da kuma siffofin girgije. Saboda da oxygen abun ciki na troposphere goyon bayan rayuwar dukkan kwayoyin. Bugu da kari, shi ne muhimmanci a cikin samuwar yanayin da yanayin halaye na yankin - akwai suna kafa ba kawai girgije, amma iska. A zazzabi rage-rage tare da tsawo.

Stratosphere - troposphere farawa daga kuma ƙare a wata tsawo na 50 zuwa 55 kilomita. A nan, da zazzabi qara da tsawo. Wannan rabo daga yanayi ne ma free na ruwa tururi, amma yana da lemar sararin samaniya Layer. Wani lokaci za ka iya tsayar da samuwar "uwar lu'u-lu'u" girgije, wanda za a iya gani kawai a dare - shi ne ya yi ĩmãni da cewa su suna wakilta karfi takaice ruwa droplets.

A mesosphere - lullube up to 80 kilomita. Wannan Layer za a iya gani a kaifi digo a cikin zafin jiki kamar yadda motsa zuwa gaba. Yana kuma karfi da ci gaba haukan kogi. Af, a cikin mesosphere suna kafa da ake kira "noctilucent girgije", wanda ya kunshi kananan lu'ulu'u na kankara - su za a iya gani kawai a dare. Yana da ban sha'awa cewa a cikin babba iyaka da mesosphere ne kusan babu iska - shi ne 200 sau kasa da cewa a kusa da duniya ta surface.

Thermosphere - shi ne a saman Layer na duniya gasbag, a cikinsa rarrabe tsakanin ionosphere da exosphere. Yana da ban sha'awa cewa tsawo na da yawan zafin jiki a nan yakan sosai sharply - a tsawon 800 kilomita daga ƙasa ta surface shi ne fiye da 1,000 digiri Celsius. Ionosphere halin karfi liquefied iska da kuma babban abun ciki na aiki ions. Amma ga exosphere, wannan ɓangare na yanayi smoothly cikin interplanetary sarari. Shi ne ya kamata a lura da cewa thermosphere ba ya dauke da iska da kanta.

Ana iya gani cewa yanayin duniya - wannan ne mai matukar muhimmanci na duniya tamu, wanda ya kasance a hukunci factor a cikin zargin rayuwa. Yana bayar da rayuwar, goyon bayan da wanzuwar hydrosphere (ruwa harsashi na duniya) da kuma kare da UV radiation.

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