Menene iyakar zurfin teku

Menene zurfin sanin zurfin teku?

Kamar yadda ake nazarin tsaunuka mafi tsayi a duniya da menene kololuwarsu, haka nan ’yan Adam sun yi kokarin nazarin ko menene iyakar zurfin teku da teku. Gaskiya ne cewa wannan ya fi wuyar lissafi tun da saninsa menene iyakar zurfin teku Yana buƙatar fasaha ta ci gaba sosai. Dan Adam ba zai iya gangarowa da ƙafa ko ta yin iyo zuwa zurfin teku kamar yadda yake yi da tsaunuka ba.

Saboda haka, za mu keɓe wannan labarin don ba ku labarin mafi girman zurfin teku, halayensa da kuma irin binciken da ake yi game da shi.

Bincike

kifi a cikin teku

Bayan watanni na bincike, ƙungiyar masana kimiyya sun ce a ƙarshe muna da “mafi daidaito” bayanai har yanzu game da mafi zurfin ɓangaren duniyarmu. Sun kasance sakamakon balaguron zurfafa biyar wanda ya yi amfani da fasaha mafi ci gaba har zuwa yau don tsara taswirar bakin ciki mafi girma a kan tekun Pacific, Atlantic, Indiya, Arctic da Antarctic.

Wasu daga cikin waɗannan rukunin yanar gizon kamar zurfin mita 10.924 na Mariana Trench a yammacin Tekun Pasifik, an duba su sau da yawa. Amma aikin mai zurfin biyar ya kuma kawar da wasu rashin tabbas.

Tsawon shekaru, wurare biyu sun yi fafatawa don matsayi mafi zurfi a cikin Tekun Indiya: wani yanki na mashigin Java daga gabar tekun Indonesiya da yanki mara laifi a kudu maso yammacin Ostiraliya. Ƙaƙƙarfan dabarun auna da ƙungiyar Five Deeps ta yi amfani da ita ta tabbatar da cewa Java ce ta yi nasara.

Amma damuwa A zurfin mita 7.187, a haƙiƙa ya yi ƙasa da mita 387 fiye da bayanan baya da aka nuna. Hakazalika, a cikin Tekun Kudancin, yanzu akwai sabon wurin da za mu yi la'akari da wuri mafi zurfi. Bacin rai ne da ake kira Factorian Abyss, a ƙarshen Kudancin Kudancin Sandwich Trench, a zurfin mita 7.432.

A cikin rami guda, akwai wani mai zurfi zuwa arewa (Meteor Deep, mita 8.265), amma a zahiri yana cikin Tekun Atlantika, tunda layin rarraba tare da Pole ta Kudu yana farawa a 60º kudu latitude. Mafi zurfin batu a cikin Tekun Atlantika shine Ramin Puerto Rico a mita 8.378 a wani wuri mai suna Brownson Deep.

Balaguron ya kuma bayyana Challenger Deep mai nisan mita 10.924 a cikin mashigin Mariana a matsayin wuri mafi zurfi a Tekun Pasifik, gabanin Horizon Deep (mita 10.816) a cikin mashigin Tonga.

Menene iyakar zurfin teku

binciken ruwa

An buga sabon bayanan zurfin bayanai kwanan nan a cikin wata kasida a cikin mujallar Geoscience Data. Babban marubucinsa shine Cassie Bongiovanni na Caladan Oceanic LLC, Kamfanin da ya taimaka wajen tsara Five Deeps. Victor Vescovo, hamshakin attajiri ne kuma mai fafutuka daga Texas ne ya jagoranci balaguron.

Tsohon sojan ruwa na Amurka ya so ya zama mutum na farko a tarihi don nutsewa zuwa mafi zurfi a cikin dukkanin tekuna biyar, kuma ya cim ma burin lokacin da ya isa wani wuri a Pole ta Arewa mai suna Molloy Deep (mita 5.551) a ranar 24 ga Agusta, 2019. Amma yayin da Vescovo ke kafa bayanai a cikin jirgin ruwan nasa, ƙungiyar kimiyyarsa na ɗaukar matakan zafin ruwa da salinity da ba a taɓa gani ba a kowane mataki har zuwa gaɓar teku.

Wannan bayanin yana da mahimmanci don gyara zurfin karantawa (wanda aka sani da raguwar matsa lamba) daga masu sautin ƙararrawa a kan jiragen ruwa na tallafi na ƙarƙashin teku. Don haka, ana ba da rahoton zurfafawa da madaidaicin gaske. koda kuwa suna da gefen kuskure na ƙari ko ragi na mita 15.

Jahilci game da menene iyakar zurfin teku

A halin yanzu an san kadan game da bakin teku. Kimanin kashi 80% na tekun duniya ya rage don a bincika ta amfani da ka'idojin fasaha na zamani da Five Deeps ke amfani da shi. "A cikin tsawon watanni 10, yayin da muke ziyartar wadannan shafuka guda biyar, mun tsara wani yanki mai girman fadin kasar Faransa," in ji Heather Stewart, wata 'yar tawagar daga Cibiyar Binciken Kasa ta Burtaniya. "Amma a cikin wannan yanki, akwai wani sabon yanki mai girman girman kasar Finland, inda ba a taba ganin gabar teku ba," in ji shi. A cewar masana, wannan "kawai yana nuna abin da za a iya yi da abin da ya kamata a yi."

Dukkan bayanan da aka tattara za a bayar da su ga aikin Nippon Foundation-GEBCO Seabed 2030, wanda ke da nufin samar da taswirorin zurfin teku daga kafofin bayanai daban-daban a karshen wannan shekaru goma.

taswirorin teku

Aiwatar da irin wannan taswira yana da mahimmanci ta hanyoyi da yawa. Su, ba shakka, suna da mahimmanci don kewayawa da kuma shimfiɗa igiyoyin ruwa na cikin ruwa da bututun ruwa. Ana kuma amfani da ita don kulawa da kiyaye kamun kifi, tun da shi namun daji suna son taruwa a kusa da tsaunukan teku.

Kowane dutsen teku yana tsakiyar tsakiyar rayayyun halittu. Bugu da ƙari kuma, ƙaƙƙarfan gadon teku yana shafar halayen igiyoyin teku da cakuɗewar ruwa a tsaye. Wannan shine mahimman bayanai don inganta samfuran da ke hasashen canjin yanayi na gaba, tun tekuna suna taka muhimmiyar rawa wajen tafiyar da zafi a duniya.

Kyakkyawan taswirori na bene na teku suna da mahimmanci idan muna son fahimtar ainihin yadda matakin teku zai tashi a sassa daban-daban na duniya.

Abin da aka sani zuwa yanzu game da teku

menene iyakar zurfin teku

Matsakaicin zurfin teku yana da ƙafa 14.000. (mil 2,65). Wuri mafi zurfi a cikin teku, wanda aka fi sani da Challenger Deep, yana ƙarƙashin yammacin Tekun Pasifik a ƙarshen ƙarshen Mariana Trench, ɗaruruwan mil kudu maso yammacin yankin Guam na Amurka. Challenger Deep yana da zurfin mita 10,994 (ƙafa 36,070). An ba shi suna saboda HMS Challenger shine jirgin farko don yin ma'aunin zurfin rijiyar farko a 1875.

Wannan zurfin ya zarce dutse mafi girma a duniya, Dutsen Everest (mita 8.846 = 29.022 ƙafa). Idan Everest ya kasance a cikin Mariana Trench, tekun zai rufe shi, ya bar kusan kilomita 1,5 (kimanin zurfin mil 1). A cikin zurfafansa, matsin lamba ya kai fiye da fam 15 a kowace murabba'in inci. Don kwatantawa, matakan matsa lamba na yau da kullun a matakin teku suna kusan fam 15 a kowace inci murabba'i.

Mafi zurfin ɓangaren Tekun Atlantika ana samunsa a cikin Trench a arewacin Puerto Rico. Ramin yana da zurfin mita 8.380 (ƙafa 27.493), tsawon kilomita 1.750 (mil 1.090) da faɗinsa kilomita 100 (mil 60). Mafi zurfin batu shine Milwaukee Abyss a arewa maso yammacin Puerto Rico.

Ina fatan cewa tare da wannan bayanin za ku iya ƙarin koyo game da iyakar zurfin teku.


Abubuwan da ke cikin labarin suna bin ka'idodinmu na ka'idojin edita. Don yin rahoton kuskure danna a nan.

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