Lamarin La Niña

Al’amarin na El Niño ana jin sa a kusan kowa ganin tasirin sa akan yanayin duniya. Koyaya, abin da yake da yadda yake aiki ba sananne bane. Akasin haka, akwai kuma wani sabon abu wanda ya sabawa El Niño da aka sani da La Niña.

La Niña kuma yana samar da canje-canje masu mahimmanci a cikin yanayin duniya kuma sakamakonta yana da mahimmanci. Sabili da haka, zamuyi magana game da wannan abin a cikin zurfin. Shin kuna son sanin komai game da lamarin La Niña?

El Niño sabon abu

Don samun kyakkyawar fahimta game da La Niña, dole ne mu fara samun kyakkyawar fahimtar yadda El Niño yake aiki. Na farko, me yasa suke kiranta abin mamaki kuma me yasa El Niño? Wani abin al'ajabi a kimiyyar halitta ba wani abu bane na ban mamaki, amma duk wata bayyanuwar jiki da za'a iya kiyayewa bayan lura kai tsaye ko aune-aune kai tsaye. Saboda haka, El Niño da ruwan sama al'amuran yanayi ne.

Sunan El Niño da masunta na garin Paita da ke arewacin Peru suka ba da shi ga jariri Yesu, tun da wannan abin ya bayyana a lokacin Kirsimeti.

Menene sabon abu na El Niño? Da kyau, halin al'ada na iskar kasuwanci a cikin Pacific shine suke hurawa daga gabas zuwa yamma. Wadannan iskoki suna tura ruwan daga gabar Kudancin Amurka kuma suna dauke su zuwa Oceania da Asiya. Duk abin da ya tara ruwan zafi yana haifar da ruwan sama da yanayi mai zafi a waɗannan yankuna. Abinda ke faruwa a Kudancin Amurka shine cewa duk ruwan dumi da ya motsa an maye gurbinsa da ruwan sanyi wanda ke fitowa daga zurfin zuwa saman. Ana kiran wannan rafin na ruwan sanyi Humboldt na yanzu.

Wannan yanayin ruwan zafi a yamma da ruwan sanyi a gabas yana haifar da banbancin zafin jiki a duk Tekun Pacific, yana bamu wani yanayi mai zafi a cikin Oceania da wani yanki na Asiya. A halin yanzu, iskar da ke sama a cikin sararin samaniya tana tafiya zuwa kishiyar shugabanci, wanda ke haifar da tsarin zagawar iska wanda koyaushe ke tura ruwan dumi zuwa yamma. Wannan shine halin da ake ciki na Tekun Fasifik da yanayi.

Amma abin da ke faruwa na El Niño, wanda ke faruwa akai-akai a cikin hawan keke na shekaru uku zuwa biyar, yana canza duk waɗannan haɓaka. Wannan lamarin yana farawa ta hanyar haifar da faɗuwa cikin iskar kasuwanci, yana haifar da duk ruwan dumi da aka adana a cikin Oceania don matsawa zuwa Kudancin Amurka. Lokacin da wannan ruwa ya kai gaɓar tekun, waɗannan ruwan suna ƙafewa kuma suna samar da ruwan sama mai yawan gaske, yayin da yanayi a ɗaya gefen Pacific ya zama bushe, haifar da mummunan fari.

La Niña sabon abu

Kun rigaya kun san yadda aikin ruwa na yau da kullun yake da iskan kasuwanci na Tekun Pacific. To, yanzu zai zama muku da sauƙi ku fahimci abin da sabon La Niña yake.

An zaɓi sunan La Niña saboda kishiyar thean ne, kodayake ba shi da ma'ana sosai, tunda shi Jesusan Yesu ne. Lokacin da wannan lamarin ya faru, iskokin kasuwanci suna busawa tare da ƙarfi mafi girma fiye da na al'ada, wanda ke haifar da ruwan zafi mai yawa da aka adana a gabar tekun Oceania da Asiya. Lokacin da wannan ya faru, tsananin ruwan sama yana faruwa a waɗannan wuraren, amma akwai fari mai tsanani a Kudancin Amurka.

Waɗannan abubuwan mamaki guda biyu suna haifar da ƙarancin kifi da bala'o'i.

Sakamakon abin da ya faru na La Niña

Abun La Niña yawanci yakan ɗauki tsawon watanni kuma sakamakon da ya kawo sune kamar haka:

• Matakin teku yana raguwa a cikin yankin Oceania, da kuma ƙaruwa iri ɗaya a cikin wurare masu zafi da ƙauyuka na Pacific tare da gabar tekun Kudancin Amurka da Amurka ta Tsakiya; wanda ke haifar da ƙaruwa a cikin bambancin matsin lamba wanda ke kasancewa tsakanin ƙarshen ƙarshen tekun Pacific.
• Iskar alder ta kara karfi, haifar da ruwa mai zurfin sanyi mai raɗaɗi tare da yankin Tekun Pacific don ya kasance a farfajiyar.
• Iskar iska mai ƙarfi mara ƙarfi tana haifar da tasirin jan ruwa a saman tekun, yana ƙaruwa da bambanci a matakin teku tsakanin ƙarshen ƙarshen ƙarshen tekun Pacific. Tare da cewa matakin teku yana raguwa a kan iyakar Colombia, Ecuador, Peru da arewacin Chile kuma haɓaka a cikin Oceania.
• Sakamakon bayyanar ruwan sanyi mai dan kadan tare da Equator, yanayin zafin teku yana raguwa a karkashin kimar canjin yanayi. Wannan shi ne mafi tabbatacciyar shaidar kasancewar abin La Laña. Koyaya, matsakaicin mummunan yanayin zafin jiki bai kai wanda aka rubuta ba yayin El Niño.
• A yayin al'amuran La Niña, ruwan zafi a cikin tsibirin Pacific yana mai da hankali a yankin kusa da Oceania kuma yana kan wannan yankin inda yake haɓaka sanyin ruwa ga yarinya.
• Ruwan sama yana karuwa a kudu maso gabashin Asiya, wasu sassan Afirka, Brazil da Ostiraliya, inda ambaliyar zata zama gama gari.
• Yawan guguwa masu zafi da guguwa a cikin Amurka yana ƙaruwa.
• Dusar kankara da zata iya zama tarihi a wasu yankuna na Amurka.
• Manyan fari a yammacin Amurka, a Tekun Mexico, da kuma arewa maso gabashin Afirka. Yanayin zafin jiki a waɗannan wuraren na iya zama ƙasa da yadda aka saba.
• A game da Spain da Turai gaba ɗaya, ruwan sama na iya ƙaruwa sosai.

Matakai na La Niña sabon abu

Wannan lamarin ba ya faruwa kamar wannan daga lokaci zuwa wani, amma don bayyana kansa gaba ɗaya, yana wucewa ta matakai daban-daban.

Kashi na farko ya kunshi al'amarin El Niño ya fara rauni. A ka'ida, waɗannan al'amuran biyu suna zagayawa, don haka bayan ɗayan ɗayan ya fara. Lokacin da iskar kasuwanci da ta daina fara sake busowa da kuma iskar halin yanzu ta daidaita kamar yadda aka saba, La Niña na iya fara biyewa idan saurin iskar kasuwanci ya fara zama mara kyau.

La Niña sananne ne don fara faruwa yayin da iskar kasuwanci ke kara ƙarfi kuma yankin haɗuwa tsakanin juna ya motsa arewa daga inda yake a da. Bugu da kari, yankin isar da sako a yankin Pacific yana karuwa.

Masana kimiyya sun gano cewa La Niña yana haɓaka lokacin da ya faru:

• Rashin rauni na halin yanzu akan ekweitaShi, yana haifar da cewa ruwan dumi mai zuwa daga gabar Asiya, yana shafar ruwan Tekun Pacific na Amurka kaɗan.
• Widarin faɗuwa daga ƙarshen teku, wanda ke faruwa sakamakon ƙaruwar iskar kasuwanci. Furewa yana faruwa yayin da aka maye gurbin ruwa mai yawa da ruwa mai sanyi a zurfin kuma dukkan abubuwan gina jiki waɗanda suke ƙarƙashin matakan sama da ƙasa suna tashi. Tare da yawan abubuwan gina jiki, kwayoyin da kifin da ke rayuwa a can suna yaɗuwa kuma yana da matukar kyau ga kamun kifi.
• Arfafa yanayin kwaminis ta kudanci, musamman a kusa da masarautar, jan ruwa mai sanyi wanda ke rage yanayin zafi na gabas da tsakiyar yankin Pacific.
• Mafi kusancin thermocline (yankin da akwai saurin raguwar zafin jiki) zuwa gabar teku a yankin Pacific mai zafi, wanda ke fifita dorewar jinsunan ruwan da ke samun abincin su na dogon lokaci.

Mataki na ƙarshe yana faruwa ne lokacin da iskar kasuwanci ta fara rasa ƙarfi da busawa da ƙarfin da take yi.

Waɗanne hawan keke ne abin mamakin La Niña yake da su?

Lokacin La Niña ya faru, yawanci yakan kasance tsakanin watanni 9 da shekaru 3, gwargwadon ƙarfinsa. A al'ada, mafi ƙarancin lokacin sa, tasirin da yake samarwa ya fi tsanani. An nuna mafi munin tasiri da lalacewa yayin watanni 6 na farko.

Yawanci yakan fara ne a tsakiyar shekara, ya kai matuka matuka a ƙarshen shekara, kuma ya watse a tsakiyar shekara mai zuwa. Ba ya faruwa sau da yawa kamar yadda El Niño yake yi. Yawanci yakan faru ne tsakanin tsawon shekaru 3 zuwa 7.

Shin za mu iya dakatar da waɗannan abubuwan?

Amsar ita ce a'a. Idan muna so mu sarrafa kasancewar ko tsananin abubuwan da suka faru, ya kamata mu iya sarrafa yanayin zafi na Tekun Fasifik. Saboda yawan ruwa da ke cikin wannan tekun, ya kamata mu yi amfani da dukkan ƙarfin da ake samu a ciki fashewar bam din megaton hydrogen 400.000 20 kowannensu ya iya dumama ruwan. Da zarar za mu iya yin hakan, za mu iya zafafa ruwan Pacific yadda muke so, kodayake za mu sake sanyaya shi.

Sabili da haka, har sai an sami hanyar sarrafa waɗannan abubuwan, za mu iya hanawa kawai, ku kasance masu faɗakarwa game da kasancewar waɗannan abubuwan don iya ƙirƙirar manufofi don aiki da rage tasirin kuma, sama da duka, ba da taimako ga wadanda abin ya shafa.

Ba a san ilimin kimiyya ba tukuna dalilin da ya sa waɗannan abubuwan mamaki suke faruwa, amma an san cewa suna faruwa sau da yawa saboda canjin yanayi. Inara yawan yanayin duniya yana lalata kasancewar waɗannan abubuwan al'ajabi da yaɗuwar ruwan jama'a.

Da wannan bayanin na tabbata duk lokacin da ka ji sunan duka abubuwan mamaki, lallai ka san menene.