Adadin hazo da aka auna a cikin kakin zuma

 

Hyarfin Batirin Indiya

Hyarfin Batirin Indiya

A cikin Tekun Indiya, adadin hazo ya bambanta ƙwarai tare da gefunansa. Duk da yake a cikin gandun daji mai laima na Sumatra ana ruwa sama sosai, Yankin Gabashin Afirka da ya rigaya ya bushe ya shafa fari. Masu bincike daga Cibiyar Bincike kan Bambance-bambancen Halitta da Yanayi (BiK-F), Cibiyar Fasaha ta California (CIT), Jami'ar Kudancin California da Jami'ar Bremen sun lura cewa wannan yanayin yanayi na bipolar ya ci gaba a lokacin karshe shekaru 10000.

Wani binciken matukin jirgi da aka buga kwanakin baya a cikin '' Proceedings of the National Academy of Sciences '' ya ba da haske kan tsarin yanayi wanda yanayin hazo ke da matukar tasiri ga yanayin duniya. Saboda haka, wannan binciken yana da ban sha'awa na musamman ga masu binciken yanayi.

da yankuna masu zafi suna taka muhimmiyar rawa a cikin tsarin yanayi na duniya, a tsakanin sauran dalilai saboda sune asalin tsananin yanayin yanayi kamar El Niño da monsoons. Ofayan yankuna masu mahimmanci irin wannan shine Indo-Pacific, a kudu maso gabashin Asiya tunda ita ce mafi girma tushen ƙarancin ruwa, haka kuma shine mafi yawan masu karɓar ruwan sama a duniya. Masu binciken sun lura da canje-canje a yanayin ruwa a gabar teku a gabar tekun yamma na Indonesiya a cikin shekaru 24000 da suka gabata domin kara fahimtar yanayin yanayin ruwan sama da yanayinsu.

A cewar masu binciken, ya bayyana cewa Tekun Indiya dipole (Indian Ocean Dipole), ya kasance tsarin yanayin yanki na yau da kullun shekaru 10000 da suka gabata. Daga cikin wasu shaidun, ana lura da yanayin ruwan sama mara kyau a gefen gabas da yamma na Tekun Indiya, kai tsaye. Dipo mai saukar da ruwa yana bayyana kansa ta yadda zai kara yawan ruwan sama a gabar tekun yamma na Indonesia, karancin ruwan sama a gabashin Afirka kuma akasin haka.

Wannan sabon binciken, wanda aka mai da hankali kan matsakaicin adadin ruwan sama da yake daukar tsawon shekaru 30, ya nuna cewa an ci gaba da irin wannan tsarin a lokacin shekaru 10000 da suka gabata. "Wadannan nau'ikan abubuwan lura game da abubuwan da suka gabata na iya taimakawa wajen rarrabe yanayin hazo daga na mutum, wanda ake ganin yana da matukar mahimmanci dangane da canjin yanayi da ke gudana" Dr. Eva Niedermeyer (BiK-F), daraktar wannan binciken .

Niedermeyer da abokan aikinsa masu bincike sun yi aiki tare da samfurin lalatattun ruwa da aka ɗauka daga ƙasashen waje zuwa gabar yammacin Sumatra a zurfin mita 481. Sun mai da hankali kan waxes da aka samo a cikin tsire-tsire na ƙasaLauni ne akan farfajiyar shuke-shuke wanda ke kare su daga rashin ruwa a jiki da kuma kai hare-hare na ƙwayoyin cuta, wanda ya rage a cikin kurar.

Don haka yana yiwuwa a gina canjin canjin da ya gabata ta hanyar auna isasshen sinadarin isrogen na cikin iskar gas din da ke duniya, tunda ruwan sama shi ne babban sinadarin hydrogen da ke cikin kayan shuka. Wannan hanyar ta haka yana ƙaruwa kwatancen auna kai tsaye tare da ƙara ɗan lokaci kaɗan zuwa dogon lokacin da suka gabata.

A ƙarshen ƙarshen kankara na ƙarshe ya zo da yanayin zafi mai narkewa da narkewar kankara, wanda ke tare da karuwar hazo a kusa da Indonesia da sauran yankuna da yawa na duniya. Akasin haka, rikodin kakin zuma da aka lura a cikin binciken ya gaya mana cewa yawancin ruwan sama a lokacin Garshen Matsakaicin andarshe da Holocene sun yi kama da juna.

Adadin ruwan sama da ya sauka a cikin shekaru 24000 da suka gabata yana da alama yana da alaƙa da matakin bayyanar Sonda Platform kuma musamman ga takamaiman yanayin yanayin gefen yammacin yankin, kuma ba wai kawai zuwa yanayin ƙarancin yanayin yanayi na lalacewa ba. Wannan ba abin da ake tsammani ba ne, tunda bisa ga binciken da aka yi a baya an ɗauka cewa duk yankin ya fi ruwa a lokacin Glacial Maximum na ƙarshe idan aka kwatanta da yanayin yanzu, Niedermeyer ya kammala.

Kodayake binciken ya nuna cewa sauye-sauye na dogon lokaci cikin tsananin hazo ba koyaushe bane ke haifar da mutum, ba lallai ne ya nuna cewa rikice-rikicen lokaci na yau da kullun tare da kasashen da ke gefen Tekun Indiya da kuma musamman ba sau da yawa ƙarƙashin tasirin ɗan adam.

Yankunan tekun Indiya suna fuskantar ƙaruwar jama'a, kuma mummunan yanayin yanayi a gaba na iya haifar da rikice-rikicen siyasa da zamantakewa. Kyakkyawan ilimin abubuwan da ke faruwa a yanayi da ɓoyayyun hanyoyin da ke samar da su a wannan yanki zai taimaka wajen ƙara ƙudurin hasashen yanayi da kuma hana irin wannan rikici, yana tsammanin sakamakon canjin yanayin.

Ƙarin Bayani: Fari ya dada tsananta matsalar abinci a yankin SahelIndonesiya da ke dab da faduwa daga ruwan sama kamar da bakin kwarya

Harshen Fuentes: Senckenberg


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