Wani bincike ya tabbatar da karuwar hazo a yanayin kankara

babbar ƙanƙara

Yanayin yanayi yana canzawa tsawon shekaru, don haka bayan shekaru da yawa, haka yanayin yake. Wani bincike da Spain da Faransa suka gudanar ya maida hankali kan nazarin yanayin hazo a cikin yanayin ƙanƙarar da aka yi rajista a kudancin Faransa a cikin shekarun da suka gabata.

An buga binciken a cikin mujallar binciken yanayi da yayi karatun bayanan ƙanƙara daga 1948 zuwa 2015. Waɗanne sakamako kuka samu kuma yaya mahimmancin su?

Hail hazo

ƙanƙara hazo

Binciken ya lura da sauyi zuwa wani yanayi wanda yake fifita karuwar wannan yanayi, amma masu binciken sun yi amannar cewa wasu abubuwan zasu iya magance shi kuma su haifar da karuwar hakan babbar guguwa, yayin da ƙanƙarar ƙanƙara mai ƙarfi ta ragu.

Saboda yanayin yanayin yanayi wanda yake haifar da ƙanƙara ba shi da karko kuma bai dace ba a sararin samaniya da lokaci, yana da matukar wahala a sami cikakkun bayanai don iya nazarin halittun ta da yanayin ta.

An gudanar da wannan binciken ta Physungiyar Kimiyya ta Fasaha ta Cibiyar Kula da Muhalli ta Jami'ar León, jTare da Complutense University of Madrid da Anelfa, cibiyar bincike a Toulouse.

A dalilin da aka ambata a sama, binciken ya mai da hankali ne kan yankunan Faransa inda ake ci gaba da samun bayanai ba fasawa sama da shekaru 25. Anelfa yana da tashoshi sama da dubu ɗaya waɗanda suke auna ƙanƙara. . Daga can ne, aka yi amfani da dabarun ilimin lissafi da aka yi amfani da su sosai a cikin nazarin yanayin yanayin ƙasa don ƙididdige yanayin.

Rikodi da bayanai

A cikin yankin Pyrenees yawan ƙanƙara ya karu a cikin shekaru 25 da suka gabata, gwargwadon wuraren da aka bincika. Wadannan ranakun ba za a iya sanya su zuwa wasu yankuna na kusa ba tunda yanayin samuwar ƙanƙarar ya zama mara tsari. Idan sun kasance hazo ne a cikin yanayin ruwan sama, idan zai yiwu a san tsarin ruwan sama na yankuna kusa da waɗanda aka bincika.

A ƙoƙarin cimma matsaya mai ƙarfi kuma mai gamsarwa, kasancewar Spain ba ta da irin wannan ci gaba na bayanai ko bayanan ƙanƙara, abin da aka nema shi ne neman alaƙa tsakanin filayen yanayi da ƙanƙarar.

Ta wannan hanyar, nazarin ya binciki yanayin da filayen yanayi ke da shi yayin da suka fi dacewa kuma suka dace da bayyanar ƙanƙara. Sakamakon alama Babban ci gaba a cikin shekaru 60 da suka gabata zuwa mahalli mafi dacewa don ƙanƙarar hadari ta samar.

Koyaya, wannan yanayin bai kamata a fassara shi azaman ƙaruwar yawan ƙanƙarar da aka yiwa rajista a ƙasa ba, tunda akwai wasu ƙarin abubuwan da yawa da za'a yi la'akari da su, kamar narkewar ƙanƙarar a cikin faɗuwarsa daga gajimare. Abubuwa da yawa na hazo a yanayin ƙanƙara basu ƙare zuwa ƙasa ba saboda suna komawa yanayin ruwa kafin faɗuwa ƙasa.

Saboda dumamar yanayi, mafi kyawun yanayi da yanayi don ƙanƙarar guguwa mai faruwa suna faruwa tare da ƙaruwa. Kodayake ya kamata a lura cewa, tare da dumamar yanayi, matakin dusar ƙanƙara da daskarewa yana ƙara girma. Wannan matakin an san shi da isozero, wato, tsayin daka wanda ake samun zafin zirin digiri Celsius wanda daga shi ne ƙanƙarar take fara narkewa.

Wannan yana samar da mafi yawan guguwa tare da ƙanƙarar ƙanƙara, amma a yawancinsu ƙanƙarar tana ƙare narkewa kafin isa ƙasa sai kawai hadari mafi tsananin kuma tare da ƙanƙara mafi girma daga ƙarshe ya isa saman.

Ilanƙara da dumamar yanayi

dumamar yanayi da ƙanƙara

Rashin tabbas na yawan ƙanƙarar yana da wahalar fassarawa cikin yanayin ɗumamar yanayi, tunda yana da wahala a hango abubuwan da za a dogara da su a cikin wannan yanayin tare da misalai.

A cikin yanayi mai ɗumi akwai ƙarin kuzari don zurfafa taro don faruwa, wanda ke fifita bayyanar guguwa tare da ƙanƙarar ƙanƙara, amma a lokaci guda, ƙaruwar matakin isozero ya fi son faruwar sa. narke ƙanƙarar yana mai rage yuwuwar bugu da ƙasa. Yana da wuya a san wanne ne daga cikin waɗannan abubuwan biyu da suka fi tasiri ƙanƙara.


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