A Siberia, akwai wasu manyan fasaha biyu

A kan tsibirin Siberia, ƙwararrun abubuwa biyu masu ban mamaki sun bayyana a kwanan nan. Wannan tsari ya kasance tare da ƙararrawa mai ƙarfi da hayaki mai tasowa da wuta.

Masana kimiyya sun yanke shawara su je yankin bayan mai garkuwa da yanki na gida ya ruwaito wani mummunan fashewa, wani gungun wuta da girgije na hayaƙi a kan Yamal Yammacin Rasha, in ji Siberian Times.

A lokacin da aka fara kafa craters

An yi imanin cewa an kafa ɗayan craters a farkon wannan shekarar, kuma na biyu - a ranar Jumma'a 28. Rashin fashewa na biyu ya kasance mai karfi da cewa tashar tashar tashoshi da ke kusa da yankunan da ke kusa da kusa da kusa da kusa da kusa da wani filin iskar gas. Dama na sabon rami yana kimanin mita takwas, kuma zurfin yana da akalla mita 20.

Ginin da aka kafa a nesa daga kilomita 35 zuwa 40 a arewa maso yammacin Seyahi (Siberia). Wannan shi ya gaya wa maigidan mai suna Mikhail Okoteto. Ba da nisa ba daga wurin da ake ginawa shi ne sansanin farfesa Jacob Jacob. A kusa da sansanin shi ne tudu, kuma shi ne wanda ya fashe. A cikin iska ya tashi manyan ƙasashe, da hayaki da wuta. A sakamakon wannan fashewa, tudun ya ɓace.

Rushewar methane

Bisa bayanin da masu gani suka gani, masana kimiyya na gida sunyi la'akari da wannan lamari kamar fashewar methane. A wurare da dama na Arctic, an yi amfani da methane a permafrost. Rushewarta - sau da yawa saboda yanayin da aka haɓaka ta halayyar mutum - ya ba da wannan iskar gas don "fara" waje. Idan methane ya tara ƙasa, zai iya haifar da matsa lamba kuma zai haifar da fashewa. A wannan yanayin, ba a bayyana inda wuta ta fito ba, ko da yake la'akari da hasken wuta na methane, bazai kasance da yawa ba.

"Wannan mãkirci na ƙasa ya kasance cikakke daidai shekaru biyu da suka wuce, amma a shekara ta 2016 ya girma kuma masana kimiyya sun ga kullun a wurin," in ji Dokta Alexander Sokolov daga Jami'ar Kimiyya ta Rasha. Mazaunan ƙasar Nenets sun shaida wa masana kimiyya cewa sun ga wuta a cikin hunturu na 2017, amma wannan na iya nufin Janairu-Maris ko Afrilu. A wasu kalmomin, methane ya fashe lokacin da yake dusar ƙanƙara.

Irin wannan fashewar an rubuta a Siberia da wasu sassan Arctic. Sakamakon binciken da aka yi a kwanan nan, wanda aka buga a mujallar mujallar Science, ya nuna yadda sassan Arctic suka samo asali a cikin tsarukan da suka fara bayan fashewar methane.

Rashin haɗari

Samun methane yana da haɗari, ba wai kawai saboda mahimmancin fasalinsa da fashewa ba. An yi imanin cewa karuwa a yawan adadin methane a cikin yanayi yana da tasiri sosai akan canjin yanayi. A karshe, yana da wani greenhouse gas, kamar CO _2.