A cikin labarin da ya gabata muna ganin menene iri-iri nau'in yanayi wanzu. Munyi taƙaitaccen taƙaitaccen jerin wasu manyan halayen kowannensu. Koyaya, a yau zamuyi bayani dalla-dalla akan ɗayansu. Game da shi Yanayin Oceanic. An kuma san shi da yanayin yanayi na teku kuma yawanci ana alakanta shi da samun sanyi ko sanyin hunturu ba tare da samun lokacin bazara kamar yadda muka saba ba.
A cikin wannan labarin zamuyi magana mai zurfi game da yanayin teku da halayensa. Bugu da kari, zaku iya sanin yankunan duniya da irin wannan yanayin yake faruwa. Kuna so ku sani game da shi? Yakamata ku ci gaba da karatu.
Halaye na yanayin teku
Irin wannan yanayin yana da halaye na rashin samun bambanci tsakanin lokutan shekarar da aka wakilta sosai. Wannan yana nufin cewa yanayin yanayin zafin da muke motsawa yana kama da juna. Yanayin zafi ba yawanci yake da yawa ba, akasin haka ne. Winters gabaɗaya suna da sanyi ko sanyi, kuma lokacin bazara har yanzu yana da sauƙi da ruwa.
Waɗannan galibi wurare ne na duniya inda sama take lulluɓe da gajimare a duk shekara. Wurare ne da aka rasa rana. Ga mu da muke zaune a yanki kamar Andalusia da Costa del Sol, samun ranakun rana masu yawa a shekara kayan marmari ne wanda bamu da mahimmanci. A nan ranakun bazara ba za a iya jurewa ba, sun bushe kuma suna da zafi sosai. Koyaya, ga baƙon da ya fito daga ɗayan waɗannan wuraren da yanayin zafin rana koyaushe ke ƙasa, yana da alatu.
Sanannun biranen duniya waɗanda suka haɗa da yanayin yanayin teku sune Dublin, London, Bergen, Bilbao, Paris, Brussels, Amsterdam, Hamburg, Melbourne da Auckland. Yanayin teku yana da yawan hadari saboda yana cikin bel din yamma. Girgije, kamar yadda muka ambata, koyaushe yana kasancewa kuma a lokuta da yawa suna matsawa zuwa wurare kusa da fuskar duniya.
Yawan zafin jiki yawanci bashi da yawa, don haka yawanci babu gaba sosai mai zafi ko sanyi.
Yanayi da ruwan sama
Hoto daga Garry Knight
A cikin wadannan nau'ikan yanayin, yanayin yanayin hunturu yakan sanya su zama masu tsananin sanyi da bazara. Duk wanda ya ziyarci Landan zai iya tabbatar da hakan. Sama ne yawanci ana lulluɓe shi da gajimare tare da yanayin zafi da yake kusa da digiri 10 a tsakiyar watan Maris kuma tare da rani mai sanyi sosai.
Matsakaicin yanayin zafin jiki a cikin waɗannan yankuna a lokacin watanni mafi tsananin sanyi shine digiri 0. Wannan yana nuna mana cewa yanayin zafi yana kasa da sifiri na tsawon kwanaki. Akasin haka, yayin watan da ya fi kowane zafi samun matsakaicin yanayin zafi kasa da digiri 22. Wannan yana nuna cewa lokacin bazara yana da laushi sosai kuma zai dace da abin da ke cikin Andalusia zai zama farkon bazara.
Game da ruwan sama kuwa, abin dogaro ne sosai kuma an rarraba shi ko'ina cikin shekara. Abin dogaro yana nufin gaskiyar cewa yawanci basuda matsala ko cutarwa kamar yadda akeyi a Spain sau da yawa kuma kuma, suna ba da tabbacin kyakkyawan albarkatun ruwa. Yawanci yana cikin yanayin ruwan sama, kodayake wasu yankuna suna fuskantar dusar ƙanƙara kowace shekara a lokacin sanyi. Yanayin girgije mai ci gaba gama gari ne. Wani misalin birni mai rufe gajimare shine Seattle. An rufe Seattle a cikin gajimare 6 cikin 7 a mako.
Watannin da ruwan sama ya fi yawa su ne tsakanin Oktoba zuwa Mayu. Daidai ne ga waɗannan yankuna su fuskanci aƙalla dusar ƙanƙara sau ɗaya a shekara. Idan garuruwa masu irin wannan yanayin suna tare da tsaunuka masu nisa arewa, zasu yawaita samun dusar kankara a shekara.
Dalilin sauyin yanayi na teku
Zamuyi kokarin bayanin dalilin wannan yanayi. Dole ne mu tuna cewa biranen da wannan yanayin ya dandana suna kusa da manyan ruwa kamar teku ko manyan tafkuna. Wadannan jikunan ruwa suna da mahimmanci wajen tsara halayen yanayi. A wuraren da teku ke kusa, yanayin zafi ba ya bambanta sosai, saboda iskar da ke fitowa daga teku tana daidaita yanayin zafi.
Wannan shine dalilin da yasa a cikin yanayi na cikin gida yanayin yanayin zafin yake da matsananci, tare da bayyane yanayi na shekara. Don fahimtar wannan da kyau. A arewa maso yammacin Turai mun sami halin yanzu wanda ya fito daga Tekun Arewacin Atlantika. Masana kimiyya suna tunanin wannan shine dalilin da yasa ake samun sanyin hunturu a duk yankuna kusa da gabar yamma.
Ba koyaushe ake samun sauyin yanayin teku a wuraren bakin teku ba, amma kuma a cikin wasu kamanceceniya waɗanda ke da tsakiyar latitude. Sauran hanyoyin dake shafar yanayin sune polar jet rafi. Wannan halin yanzu yana haifar da ƙananan matsi, hadari da gaba a cikin yankunan da yake faruwa. Lokacin da kwararar jirgin sama ta fi aiki a lokacin bazara da hunturu, yanayin teku yana da alhakin ƙirƙirar kazafi da yawa, gizagizai masu hadari, da ci gaba da yaɗuwa. Waɗannan su ne halayen da suka fi yawa a garuruwan da ke da irin wannan yanayin.
Akasin haka, a cikin wasu yanayi kamar Bahar Rum matsin lamba yayin lokutan zafi da bazara, tura gajimare daga ruwan sama da kiyaye kwanciyar hankali, yanayi mai zafi da bushe sosai.
Bambancin yanayi
Akwai wasu bambancin wannan yanayin na teku. Mun sami yanayin ƙasa wanda ke faruwa a yankunan da ke da tsayi sosai tsakanin wurare masu zafi. Yankunan karkara masu yanayin wannan yanayin suna da karancin ruwan sama a lokacin damuna da karin rana. Yana da kyau a ga cewa a cikin waɗannan yankuna koyaushe akwai lokacin bazara tare da yanayin zafi mai sauƙi da yanayi mai daɗi.
Galibi ba sa yin dusar ƙanƙara a cikin hunturu. Matsakaicin yanayin zafi a lokacin hunturu ya haura digiri 0 (a wasu shekaru ana rubuta matsakaita zafin jiki na digiri 10) kuma a lokacin rani sun kasance sun ɗan dara sama da digiri 22 kamar yadda muka gani a baya. Wannan nau'in yanayi na teku Yana faruwa a Copacabana, a Bolivia, Sichuan da Yunnan.
Ina fatan na taimaka kwarai da gaske don fahimtar yanayin teku da dalilin da yasa yake samo asali.