Duniya ta tekuna

Halitta ruwan nasa ne babban ɓangare na farfajiya na duniyarmu, da kuma duniya ta tekuna da ruwaye a cikin ruwan zauna game da 97% (ko game da 70% na dukan surface na Duniya). Sauran wuri nasa ne da ruwan koguna, Lakes, kududdufai, swamps, glaciers.

Pacific, Atlantic, Arctic da kuma India - duniya ta teku, da ake kira da masana kimiyya har 2000. Tun daga shekarar 2000, a kudancin ɓangare na Arctic aka ware a matsayin biyar teku.

A mafi zurfi teku a duniya, kuma mafi m - Pacific. Shi yana da wani yanki ya fi girma fiye da dukan ƙasar yanki na duniya, amma a cikin zurfin ne mafi zurfi wuri a Duniya - Mariana tare mahara. Ocean tãguwar ruwa wanke gabar yammacin Arewa da Kudancin nahiyar Amirka, Australia, da gabashin tekun na Asia. A cikin Arewacin Hemisphere ta haɗa da Arctic Ocean ta hanyar da Bering mashigar, kuma a kudancin - kai tekun na Antarctica. Very da yawa daga cikin tudu ne m da duwatsu ƙasa, kuma a cikin ruwanta ne a manyan yawan tsibiran.

Babu shakka, duk da ruwan teku na duniya da sosai daban-daban hali. Saboda haka, ya kamata a lura da cewa Pacific Ocean ne sananne ga m tsunamis cewa isa gaba da wasu hamsin mita tsawo, kazalika da cewa shi lissafinsu fiye da rabin jimlar biomass na cikin ruwa zurfin.

Na biyu mafi girma shi ne cikin tekun Atlantic. Its kasa ne wajen rikitarwa, tare da mahara daruna. Ba kamar da Pacific, da Atlantic ba a ruwanta haka da yawa tsibirin. A arewa ta gana da Arctic Ocean. Atlantic aka sani na kasancewa wani yanki na ƙõramu sunã gudãna a cikin shi, da yawa fiye da yankin na kõguna sunã gudãna daga cikin wani teku. Bugu da ƙari kuma, shi ne sosai indented gaci, kuma wanke ta babban adadin da aka sani tãguwar ruwa na teku.

A tekuna na duniya, kamar yadda ya bayyana a sama, sun hada da ma da coldest: Arctic. An ayi arewa na Arctic Circle. Kusan duk da yankin da aka rufe da kankara kusan duk shekara zagaye. Ocean ruwa yana kokarin da muhimmanci sosai, saboda damar zuwa tafi daga Amirka zuwa Rasha ta guntu hanya. Musamman Ganin kasance muhimmanci a lokacin yaki. Kusa da bakin tekun na Arctic tekuna da yawa siffofin, guda biyu tare da Atlantic da kuma Pacific tekuna. Saboda da kullum low zazzabi, Flora da fauna daga ruwanta da aka wakilta 'yan jinsin.

Indian Ocean ruwa ne mafi girma a matsayi na uku. Shi ne m zuwa Afirka da kuma Australia, Asia da kuma Antarctica. Its ruwan wanke most tsibirin Madagascar da kuma Sri Lanka, da kuma ƙaunar da yawa yawon bude ido Maldives, Seychelles, Bali. Its tãguwar ruwa, swirling a cikin wani manufa da sarewa, da ƙaunar da yawa surfers da subsoil sosai arziki adibas na iskar gas, da man fetur.

Kamar yadda aka ambata a riga, a cikin duniya ta teku sun fara hada da Kudancin Ocean. In ba haka ba, shi ne ake kira da Antarctic. Its ruwa, ya wanke gaba na Antarctica, ya hada da kudancin ruwan Pacific, Atlantic da kuma Indian tekuna. A yi, da sunan kewayawa da ruwan kusan bai tsaya, tun da shi ba a hada a wani Littattafan a kan dacewa batutuwa. A halin yanzu, a yankin na wannan ruwa yanki mukamansu hudu cikin dukan tekuna.