Shin kun taɓa ji daga huhun duniyar, yana nufin Amazon ko wasu yankuna na kore na duniya. Waɗannan yankuna ana kiran su huhu, wanda ke nufin ikon shayar da duniyar ta CO2 don haka ke ba da gudummawa ga tsafta da lafiyayyen yanayi ga dukkan rayayyun halittu.
Daya daga cikin huhun wannan duniyar yana ciki Yankin Atlantic a kusa da Tropic of Cancer. Wannan huhu yanki ne na tekun da ke 'yantar da duniya daga wani babban ɓangare na hayaƙin CO2 da mutane ke haifarwa. Shin ya daina aiki a cikin bazarar 2010?
Huhu na Atlantic
Tekuna na iya kaiwa sha da yawa na CO2 da muke fitarwa a cikin ayyukan masana'antunmu kuma cire shi daga sake zagayowar, jefa shi cikin ƙishirwa. Akwai daidaiton iskar karbon duniya wanda, idan akwai yawan carbon a sararin samaniya, yakan karkata ne a cikin ruwan tekun. Mecece matsalar wannan lamarin? Lokacin da aka sanya CO2 da yawa a cikin tekuna, sai su sanya acid a ciki kuma, saboda haka, suna da mummunan tasiri akan flora da fauna. Mafi shahararren shari'ar ita ce bleaching na murjani.
Nazarin da aka yi akan shayarwar CO2 ta tekuna sunyi kiyasin cewa zasu iya ɗaukar juna 40 da 50% na dukkanin carbon dioxide da ayyukan ɗan adam ke fitarwa tun lokacin juyin juya halin masana'antu. Wannan injin ɗin da ke taimakawa kawar da duniyar CO2 sosai shima yana da daidaitaccen ma'auni wanda ya dogara, zuwa babban yanayin, akan yanayin duniya.
Akwai karatun da ke gargadin cewa tsawon rabin karni cewa wadannan huhun ruwa wadanda suka 'yantar da mu daga wadannan iskar gas din kuma rage illoli da illolin da ke tattare da yanayi sun rasa karfi. Mujalla Rahoton Kimiyya, na Natungiyar Yanayi, wanda aka buga a ranar 30 ga Janairu, 2017, wani binciken da ke yin gargaɗi game da yadda ƙaruwar yanayin zafin jiki da al'amuran yanayi da na mutum ke haifar da shi, na iya sa tekuna su tafi daga tsarkake yanayi zuwa lodin da shi har yanzu karin iskar gas.
Menene ya faru a cikin bazarar 2010?
Sakamakon karuwar hayaki mai gurbata muhalli a sararin samaniya, yanayin duniya ba ya daina karuwa shekara shekara. Wannan yanki na Atlantic da aka sani da huhun marine yana taka muhimmiyar rawa: yanayin arewacin arewacin da na tsibirin Canary sun wuce, abubuwa biyu daga cikin kayan kwalliyar tekun da ke daidaita yanayin yankin.
Koyaya, a daminar shekarar 2010 wannan huhun ya daina aiki saboda tsananin ƙaruwar yanayin zafi sakamakon sakamakon da mummunan abin ya haifar El Niño a cikin 2009. Ta hanyar rashin aiki a lokacin bazara na shekarar 2010, ta daina sha kusan tan miliyan 420 na CO2, wato, 30% na yawan hayakin gas.
A cikin bazarar 2010, tasirin El Niño da Multi-Decade Atlantic Oscillation sun haifar da yanayin zafin saman teku a wannan yankin zuwa tashi digiri 3,4 sama da al'ada da kuma cewa saurin iska ya canza, wanda ya katse hanyoyin guda biyu masu daidaita shakar CO2.
Sakamakon wannan lamarin, tsarin huhun teku ya dan ruguje na wani dan lokaci, hakan yasa ya kasa daukar tan miliyan 29 na CO2 tsakanin watan Fabrairu da Mayu. Ya kamata kuma a ambata cewa a cikin bazarar 2010 An fitar da tan miliyan 1,6 na iskar gas zuwa sararin samaniya.
Yankunan da suke manyan canje-canje
Manyan sanannun canje-canje sun ta'allaka ne a yankin arewacin arewacin kasar. A waccan yankin tekun ya fitar da yanayin cikin wadannan watannin kimanin tan miliyan 1,2 na CO2, lokacin da abin na al'ada shi ne ya sha miliyan 22,4.
Yanayin ƙaruwar yanayin duniya yana ɗumama ruwan da ke saman tekuna. Wannan yana haifar ƙaruwa cikin ƙarfi da kuma yawan munanan yanayi. Wannan na iya yin barazanar ikon wannan huhun don rage tasirin CO2 da kuma shanye su.